Difference between revisions of "WikiMD dictionary N-R"

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Latest revision as of 03:26, 15 August 2019

A-C | D-F | G-I | J-M | N-R | S-T | U-Z

See also

MeSH - Wikipedia

  • n - noun the 14th letter of the Roman alphabet;  (of a solution) concentration expressed in gram equivalents of solute per liter;  a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes;  the cardinal compass point that is at 0 or 360 degrees;  a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  • na - noun a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
  • nacreous - adj. consisting of or resembling mother-of-pearl;  having a play of lustrous rainbow-like colors
  • nagging - adj. continually complaining or faultfinding
  • nail - noun a thin pointed piece of metal that is hammered into materials as a fastener;  horny plate covering and protecting part of the dorsal surface of the digits;  a former unit of length for cloth equal to 1/16 of a yard;  verb attach something somewhere by means of nails;  complete a pass;  take into custody;  hit hard;  locate exactly; succeed at easily;  succeed in obtaining a position
  • naked - adj. lacking any cover;  devoid of elaboration or diminution or concealment; bare and pure;  having no protecting or concealing cover;  (of the eye or ear e.g.) without the aid of an optical or acoustical device or instrument;  completely unclothed
  • name - noun by the sanction or authority of;  a language unit by which a person or thing is known;  a defamatory or abusive word or phrase;  family based on male descent;  a well-known or notable person;  a person's reputation;  verb mention and identify by name; give the name or identifying characteristics of; refer to by name or some other identifying characteristic property;  assign a specified (usually proper) proper name to;  charge with a function; charge to be;  determine or distinguish the nature of a problem or an illness through a diagnostic analysis;  identify as in botany or biology, for example;  give or make a list of; name individually; give the names of;  make reference to;  create and charge with a task or function
  • named - adj. bearing the author's name;  given or having a specified name
  • namely - adv. as follows
  • names - noun verbal abuse; a crude substitute for argument
  • naming - adj. inclined to or serving for the giving of names;  noun the verbal act of naming;  the act of putting a person into a non-elective position
  • nan - noun leavened bread baked in a clay oven in India; usually shaped like a teardrop;  a river of western Thailand flowing southward to join the Ping River to form the Chao Phraya;  your grandmother
  • nance - noun offensive terms for an openly homosexual man
  • nancy - noun a city in northeastern France in Lorraine
  • nap - noun sleeping for a short period of time (usually not in bed);  a soft or fuzzy surface texture;  a card game similar to whist; usually played for stakes;  the yarn (as in a rug or velvet or corduroy) that stands up from the weave;  a period of time spent sleeping;  verb take a siesta
  • nape - noun the back side of the neck
  • naphthalene - noun a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs
  • naphthol - noun either of two phenols derived from naphthalene
  • napkin - noun a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing;  garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
  • narcosis - noun unconsciousness induced by narcotics or anesthesia
  • narcotic - adj. inducing mental lethargy;  inducing stupor or narcosis; of or relating to or designating narcotics;  noun a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction
  • narcotize - verb administer narcotics to
  • narcotized - adj. under the influence of narcotics
  • naris - noun any of the openings to the nasal cavities that allow air to flow through the cavities to the pharynx
  • narrative - adj. consisting of or characterized by the telling of a story;  noun a message that tells the particulars of an act or occurrence or course of events; presented in writing or drama or cinema or as a radio or television program
  • narrow - adj. limited in size or scope;  not wide;  very limited in degree;  lacking tolerance or flexibility or breadth of view; characterized by painstaking care and detailed examination;  noun a narrow strait connecting two bodies of water;  verb make or become more narrow or restricted;  become tight or as if tight;  become more special;  define clearly
  • narrowed - adj. having the opening reduced squeezed;  made narrow; limited in breadth;  reduced in size as by squeezing together
  • narrowing - adj. (of circumstances) tending to constrict freedom; becoming gradually narrower;  noun the act of making something narrower;  an instance of becoming narrow;  a decrease in width
  • narrowness - noun the property of being narrow; having little width; a restriction of range or scope;  a small margin;  an inclination to criticize opposing opinions or shocking behavior
  • nary - adj. (used with singular count nouns) colloquial for `not a' or `not one' or `never a'
  • nasal - adj. sounding as if the nose were pinched;  of or in or relating to the nose;  noun an elongated rectangular bone that forms the bridge of the nose;  a consonant produced through the nose with the mouth closed
  • nascent - adj. being born or beginning
  • nashville - noun capital of the state of Tennessee; located in the north central part of the state on the Cumberland River; known for country music
  • nasopharyngeal - adj. of or relating to or located near the nasopharynx
  • nasopharynx - noun cavity forming the upper part of the pharynx
  • nastiness - noun the quality of being unpleasant;  malevolence by virtue of being malicious or spiteful or nasty;  a state characterized by foul or disgusting dirt and refuse
  • natal - adj. relating to or accompanying birth;  of or relating to the buttocks;  noun a port city in northeastern Brazil;  a region of eastern South Africa on the Indian Ocean
  • nates - noun the fleshy part of the human body that you sit on
  • nation - noun the people who live in a nation or country;  a federation of tribes (especially native American tribes);  United States prohibitionist who raided saloons and destroyed bottles of liquor with a hatchet (1846-1911);  a politically organized body of people under a single government
  • national - adj. concerned with or applicable to or belonging to an entire nation or country;  limited to or in the interests of a particular nation;  owned or maintained for the public by the national government;  of or relating to or belonging to a nation or country;  of or relating to nationality;  characteristic of or peculiar to the people of a nation;  inside the country;  noun a person who owes allegiance to that nation
  • nationality - noun people having common origins or traditions and often comprising a nation;  the status of belonging to a particular nation by birth or naturalization
  • native - adj. belonging to one by birth;  characteristic of or existing by virtue of geographic origin;  characteristic of or relating to people inhabiting a region from the beginning;  as found in nature in the elemental form;  noun a person who was born in a particular place; an indigenous person
  • nativity - noun the theological doctrine that Jesus Christ had no human father; Christians believe that Jesus's birth fulfilled Old Testament prophecies and was attended by miracles; the Nativity is celebrated at Christmas;  the event of being born
  • natural - adj. being talented through inherited qualities;  related by blood; not adopted;  in accordance with nature; relating to or concerning nature;  existing in or produced by nature; not artificial or imitation;  existing in or in conformity with nature or the observable world; neither supernatural nor magical;  (of a key) containing no sharps or flats; (of a note) being neither raised nor lowered by one chromatic semitone;  functioning or occurring in a normal way; lacking abnormalities or deficiencies;  (used especially of commodities) being unprocessed or manufactured using only simple or minimal processes;  unthinking; prompted by (or as if by) instinct; free from artificiality;  noun (craps) a first roll of 7 or 11 that immediately wins the stake;  a notation cancelling a previous sharp or flat;  someone regarded as certain to succeed
  • naturally - adv. as might be expected;  according to nature; by natural means; without artificial help;  in a natural or normal manner; through inherent nature
  • nature - noun the complex of emotional and intellectual attributes that determine a person's characteristic actions and reactions;  the essential qualities or characteristics by which something is recognized;  a particular type of thing;  the natural physical world including plants and animals and landscapes etc.;  a causal agent creating and controlling things in the universe
  • nausea - noun disgust so strong it makes you feel sick;  the state that precedes vomiting
  • nauseant - noun a medicine that induces nausea and vomiting
  • nauseating - adj. causing or able to cause nausea
  • nauseous - adj. feeling nausea; feeling about to vomit;  causing or able to cause nausea
  • navel - noun scar where the umbilical cord was attached;  the center point or middle of something
  • navicular - adj. shaped like a boat;  noun the largest wrist bone on the thumb side
  • navigable - adj. able to be sailed on or through safely
  • navy - noun an organization of military vessels belonging to a country and available for sea warfare;  a dark shade of blue;  the navy of the United States of America; the agency that maintains and trains and equips combat-ready naval forces
  • nd - noun a state of north central United States bordering on Canada;  a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
  • ne - noun a midwestern state on the Great Plains;  the compass point midway between north and east; at 45 degrees;  a colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
  • neapolitan - adj. of or relating to or characteristic of Naples or its people;  noun a native or inhabitant of Naples
  • near - adj. not far distant in time or space or degree or circumstances;  closely resembling the genuine article;  being on the left side;  very close in resemblance;  with or in a close or intimate relationship;  giving or spending with reluctance;  adv. near in time or place or relationship;  (of actions or states) slightly short of or not quite accomplished;  verb move towards
  • nearby - adj. close at hand;  adv. not far away in relative terms
  • nearer - adv. (comparative of `near' or `close') within a shorter distance
  • nearest - adv. (superlative of `near' or `close') within the shortest distance
  • nearly - adv. (of actions or states) slightly short of or not quite accomplished;  in a close manner
  • nearness - noun the spatial property resulting from a relatively small distance
  • neat - adj. without water;  free from what is tawdry or unbecoming; clean or orderly;  showing care in execution;  free from clumsiness; precisely or deftly executed;  very good
  • neatly - adv. with neatness
  • neatness - noun the state of being neat and smart and trim;  the trait of being neat and orderly
  • nebraska - noun a midwestern state on the Great Plains
  • necessarily - adv. in an essential manner;  as a highly likely consequence;  in such a manner as could not be otherwise
  • necessary - adj. unavoidably determined by prior circumstances; absolutely essential;  noun anything indispensable
  • necessitate - verb require as useful, just, or proper;  cause to be a concomitant
  • necessity - noun anything indispensable;  the condition of being essential or indispensable
  • neck - noun an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck;  the part of an organism that connects the head to the rest of the body;  a cut of meat from the neck of an animal;  a narrow elongated projecting strip of land;  verbkiss, embrace, or fondle with sexual passion
  • necklace - noun jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women)
  • necrobiosis - noun (physiology) the normal degeneration and death of living cells (as in various epithelial cells)
  • necropsy - noun an examination and dissection of a dead body to determine cause of death or the changes produced by disease
  • necrose - verb undergo necrosis
  • necrosis - noun the localized death of living cells (as from infection or the interruption of blood supply)
  • necrotic - adj. relating to or affected by necrosis
  • nee - adj. (meaning literally `born') used to indicate the maiden or family name of a married woman
  • need - noun anything that is necessary but lacking;  a condition requiring relief;  the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior;  a state of extreme poverty or destitution;  verb have or feel a need for;  have need of;  require as useful, just, or proper
  • needed - adj. necessary for relief or supply
  • needful - adj. necessary for relief or supply
  • needle - noun a sharp pointed implement (usually steel);  a slender pointer for indicating the reading on the scale of a measuring instrument;  a stylus that formerly made sound by following a groove in a phonograph record;  as the leaf of a conifer;  verb goad or provoke,as by constant criticism;  prick with a needle
  • needle-shaped - adj. narrow and long and pointed; as pine leaves
  • needless - adj. unnecessary and unwarranted
  • needlessly - adv. without need
  • needs - adv. in such a manner as could not be otherwise
  • negative - adj. expressing or consisting of a negation or refusal or denial;  having the quality of something harmful or unpleasant; characterized by or displaying negation or denial or opposition or resistance; having no positive features;  less than zero;  reckoned in a direction opposite to that regarded as positive;  not indicating the presence of microorganisms or disease or a specific condition; having a negative electric charge;  involving disadvantage or harm; designed or tending to discredit, especially without positive or helpful suggestions;  noun a piece of photographic film showing an image with black and white tones reversed;  a reply of denial;  verb vote against; refuse to endorse; refuse to assent
  • negativism - noun characterized by habitual skepticism and a disagreeable tendency to deny or oppose or resist suggestions or commands
  • neglect - noun the state of something that has been unused and neglected;  willful lack of care and attention;  failure to act with the prudence that a reasonable person would exercise under the same circumstances;  the trait of neglecting responsibilities and lacking concern;  lack of attention and due care;  verb leave undone or leave out;  fail to attend to;  give little or no attention to;  fail to do something; leave something undone
  • neglected - adj. lacking a caretaker;  disregarded
  • negligent - adj. marked by insufficient care or attention; characterized by neglect and undue lack of concern
  • negligible - adj. so small as to be meaningless; insignificant;  not worth considering
  • negro - adj. relating to or characteristic of or being a member of the traditional racial division of mankind having brown to black pigmentation and tightly curled hair;  noun a person with dark skin who comes from Africa (or whose ancestors came from Africa)
  • neigh - noun the characteristic sounds made by a horse;  verb make a characteristic sound, of a horse
  • neighborhood - noun people living near one another;  a surrounding or nearby region;  the approximate amount of something (usually used prepositionally as in `in the region of')
  • neighboring - adj. situated near one another;  having a common boundary or edge; touching
  • nematode - noun unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
  • neo - adj. (used as a combining form) recent or new
  • neoplasm - noun an abnormal new mass of tissue that serves no purpose
  • neoplastic - adj. of or related to or having the properties of a neoplasm
  • nephrectomy - noun surgical removal of a kidney
  • nephritic - adj. of or relating to the kidneys;  affected by nephritis
  • nephritis - noun an inflammation of the kidney
  • nephrolithiasis - noun the presence of kidney stones (calculi) in the kidney
  • nephroptosis - noun prolapse of the kidney
  • nephrotomy - noun incision into a kidney (usually to remove a kidney stone)
  • nerve - noun any bundle of nerve fibers running to various organs and tissues of the body;  impudent aggressiveness;  the courage to carry on;  verb get ready for something difficult or unpleasant
  • nerves - noun control of your emotions;  an uneasy psychological state
  • nervous - adj. easily agitated;  of or relating to the nervous system; unpredictably excitable (especially of horses);  excited in anticipation; causing or fraught with or showing anxiety
  • nerve - noun any bundle of nerve fibers running to various organs and tissues of the body;  impudent aggressiveness;  the courage to carry on;  verb get ready for something difficult or unpleasant
  • nerve center - noun a center that provides information and control; a cluster of nerve cells governing a specific bodily process
  • nerve fiber - noun a threadlike extension of a nerve cell
  • nerveroot - noun once common rose pink woodland orchid of eastern North America
  • nerves - noun control of your emotions;  an uneasy psychological state
  • nervi - noun Italian architect who pioneered in the use of reinforced concrete (1891-1979)
  • nervous - adj. easily agitated;  of or relating to the nervous system; unpredictably excitable (especially of horses);  excited in anticipation; causing or fraught with or showing anxiety
  • nervousness - noun a sensitive or highly strung temperament;  an uneasy psychological state;  the anxious feeling you have when you have the jitters
  • nervus - noun any bundle of nerve fibers running to various organs and tissues of the body
  • ness - noun a strip of land projecting into a body of water
  • net - adj. remaining after all deductions;  conclusive in a process or progression;  noun an open fabric of string or rope or wire woven together at regular intervals;  a trap made of netting to catch fish or birds or insects;  game equipment consisting of a strip of netting dividing the playing area in tennis or badminton;  a goal lined with netting (as in soccer or hockey);  a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange;  the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses);  verb catch with a net; make as a net profit;  yield as a net profit;  construct or form a web, as if by weaving
  • netting - noun creating nets;  a net of transparent fabric with a loose open weave
  • nettle - noun any of numerous plants having stinging hairs that cause skin irritation on contact (especially of the genus Urtica or family Urticaceae);  verb sting with or as with nettles and cause a stinging pain or sensation;  cause annoyance in; disturb, especially by minor irritations
  • nettle rash - noun an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs
  • network - noun (broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs;  (electronics) a system of interconnected electronic components or circuits;  a system of intersecting lines or channels; an interconnected system of things or people;  an open fabric of string or rope or wire woven together at regular intervals;  verbcommunicate with and within a group
  • neumann - noun United States mathematician who contributed to the development of atom bombs and of stored-program digital computers (1903-1957)
  • neural - adj. of or relating to neurons;  of or relating to the nervous system
  • neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • neuralgic - adj. of or relating to or suffering from neuralgia
  • neurasthenia - noun nervous breakdown (not in technical use)
  • neurasthenic - adj. of or relating to or suffering from neurasthenia; noun a person suffering a nervous breakdown
  • neurectomy - noun surgical removal of all or part of a nerve
  • neurilemma - noun thin membranous sheath around a nerve fiber
  • neuritis - noun inflammation of a nerve accompanied by pain and sometimes loss of function
  • neurogenic - adj. arising in or stimulated by nerve tissues
  • neuroglia - noun sustentacular tissue that surrounds and supports neurons in the central nervous system; glial and neural cells together compose the tissue of the central nervous system
  • neurological - adj. of or relating to or used in or practicing neurology
  • neurologist - noun a medical specialist in the nervous system and the disorders affecting it
  • neurology - noun (neurology) the branch of medicine that deals with the nervous system and its disorders;  the branch of medical science that deals with the nervous system
  • neuroma - noun any tumor derived from cells of the nervous system
  • neurosis - noun a mental or personality disturbance not attributable to any known neurological or organic dysfunction
  • neurotic - adj. affected with emotional disorder;  characteristic of or affected by neurosis;  noun a person suffering from neurosis
  • neurotoxic - adj. poisonous to nerves or nerve cells
  • neutral - adj. of something that is lacking hue;  lacking distinguishing quality or characteristics;  not supporting or favoring either side in a war, dispute, or contest;  neither moral nor immoral; neither good nor evil, right nor wrong;  possessing no distinctive quality or characteristics;  having no net electric charge; not electrified;  having no personal preference;  having only a limited ability to react chemically; chemically inactive;  noun one who does not side with any party in a war or dispute
  • neutralization - noun action intended to nullify the effects of some previous action;  action intended to keep a country politically neutral or exclude it from a possible war;  (euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation);  a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
  • neutralize - verb make chemically neutral;  make ineffective by counterbalancing the effect of;  make incapable of military action;  get rid of (someone who may be a threat) by killing;  make politically neutral and thus inoffensive;  oppose and mitigate the effects of by contrary actions
  • neutralized - adj. made neutral in some respect; deprived of distinctive characteristics
  • neutrophile - noun the chief phagocytic leukocyte; stains with either basic or acid dyes
  • nevada - noun a state in the western United States
  • never - adv. not ever; at no time in the past or future;  not at all; certainly not; not in any circumstances
  • nevertheless - adv. despite anything to the contrary (usually following a concession)
  • nevus - noun a blemish on the skin that is formed before birth
  • new - adj. unfamiliar;  having no previous example or precedent or parallel;  (of crops) harvested at an early stage of development; before complete maturity;  in use after medieval times;  not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered;  other than the former one(s); different;  unaffected by use or exposure;  used of a living language; being the current stage in its development;  lacking training or experience;  original and of a kind not seen before;  (of a new kind or fashion) gratuitously new;  adv. very recently
  • new world - adj. of or relating to the New World;  noun the hemisphere that includes North America and South America
  • newark - noun the largest city in New Jersey; located in northeastern New Jersey
  • newborn - adj. having just or recently arisen or come into existence; recently borne;  noun a baby from birth to four weeks
  • newcastle - noun a port city in northeastern England on the River Tyne; a center for coal exports (giving rise to the expression `carry coals to Newcastle' meaning to do something unnecessary)
  • newly - adv. very recently
  • news - noun new information about specific and timely events;  new information of any kind;  information reported in a newspaper or news magazine;  the quality of being sufficiently interesting to be reported in news bulletins;  a program devoted to news
  • newspaper - noun the physical object that is the product of a newspaper publisher;  a daily or weekly publication on folded sheets; contains news and articles and advertisements;  a business firm that publishes newspapers;  cheap paper made from wood pulp and used for printing newspapers
  • next - adj. immediately following in time or order;  nearest in space or position; immediately adjoining without intervening space;  (of elected officers) elected but not yet serving;  adv. at the time or occasion immediately following
  • ney - noun French marshal in the Napoleonic Wars (1769-1815)
  • nh - noun a state in New England; one of the original 13 colonies
  • ni - noun a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
  • nibbed - adj. (used of pens) having a writing point or nib especially of a certain kind
  • nice - adj. pleasant or pleasing or agreeable in nature or appearance;  done with delicacy and skill;  exhibiting courtesy and politeness;  noting distinctions with nicety;  excessively fastidious and easily disgusted;  socially or conventionally correct; refined or virtuous;  noun a city in southeastern France on the Mediterranean; the leading resort on the French Riviera
  • nickel - noun a United States coin worth one twentieth of a dollar; five dollars worth of a drug;  a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite;  verb plate with nickel
  • nicotiana - noun American and Asiatic aromatic herbs and shrubs with viscid foliage
  • nictitation - noun a reflex that closes and opens the eyes rapidly
  • nidus - noun a nest in which spiders or insects deposit their eggs;  a central point or locus of an infection in an organism
  • niece - noun a daughter of your brother or sister
  • niger - noun a landlocked republic in West Africa; gained independence from France in 1960; most of the country is dominated by the Sahara Desert;  an African river; flows into the South Atlantic
  • nigeria - noun a republic in West Africa on the Gulf of Guinea; gained independence from Britain in 1960; most populous African country
  • nigh - adj. not far distant in time or space or degree or circumstances;  being on the left side;  adv. (of actions or states) slightly short of or not quite accomplished;  near in time or place or relationship
  • night - noun darkness;  the dark part of the diurnal cycle considered a time unit;  the time after sunset and before sunrise while it is dark outside;  the time between sunset and midnight;  the period spent sleeping;  a period of ignorance or backwardness or gloom;  a shortening of nightfall;  Roman goddess of night; daughter of Erebus; counterpart of Greek Nyx
  • night blindness - noun inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
  • night vision - noun the ability to see in reduced illumination (as in moonlight)
  • nightfall - noun the time of day immediately following sunset
  • nightly - adj. happening every night;  adv. at the end of each day
  • nightmare - noun a terrifying or deeply upsetting dream;  a situation resembling a terrifying dream
  • nightshade - noun any of numerous shrubs or herbs or vines of the genus Solanum; most are poisonous though many bear edible fruit
  • nigra - noun (ethnic slur) extremely offensive name for a Black person
  • nil - noun a quantity of no importance
  • nile - noun the world's longest river (4150 miles); flows northward through eastern Africa into the Mediterranean; the Nile River valley in Egypt was the site of the world's first great civilization
  • nine - adj. denoting a quantity consisting of one more than eight and one less than ten;  noun the cardinal number that is the sum of eight and one;  a team of professional baseball players who play and travel together
  • nineties - noun the time of life between 90 and 100;  the decade from 1990 to 1999;  the decade from 1890 to 1899
  • ninety - adj. being ten more than eighty;  noun the cardinal number that is the product of ten and nine
  • ninety-five - adj. being five more than ninety
  • ninety-nine - adj. being nine more than ninety
  • ninth - adj. coming next after the eighth and just before the tenth in position;  noun position nine in a countable series of things;  one part in nine equal parts
  • nipping - adj. pleasantly cold and invigorating;  capable of wounding
  • nipple - noun a flexible cap on a baby's feeding bottle or pacifier; the small projection of a mammary gland
  • nipple-shaped - adj. having a convex shape that resembles a nipple
  • niter - noun (KNO3) used especially as a fertilizer and explosive
  • nitrate - noun any compound containing the nitrate group (such as a salt or ester of nitric acid);  verb treat with nitric acid, so as to change an organic compound into a nitrate
  • nitric - adj. of or containing nitrogen
  • nitrification - noun the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants);  the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound)
  • nitrite - noun the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid)
  • nitrogen - noun a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  • nitrogenous - adj. of or relating to or containing nitrogen
  • nitroglycerin - noun a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat)
  • nitrous - adj. of or containing nitrogen
  • nm - noun a state in southwestern United States on the Mexican border;  a metric unit of length equal to one billionth of a meter
  • no - adj. quantifier; used with either mass nouns or plural count nouns for indicating a complete or almost complete lack or zero quantity of;  adv. used to express refusal or denial or disagreement etc or especially to emphasize a negative statement;  not in any degree or manner; not at all;  referring to the degree to which a certain quality is present;  noun a negative;  a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known
  • noble - adj. having or showing or indicative of high or elevated character;  of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times;  inert especially toward oxygen;  impressive in appearance;  noun a titled peer of the realm
  • noc - noun an undercover agent who is given no official cover
  • nocent - adj. having a tendency to cause harm
  • nocturnal - adj. belonging to or active during the night;  of or relating to or occurring in the night
  • node - noun (computer science) any computer that is hooked up to a computer network;  any bulge or swelling of an anatomical structure or part;  (astronomy) a point where an orbit crosses a plane;  (physics) the point of minimum displacement in a periodic system;  any thickened enlargement;  a connecting point at which several lines come together;  the source of lymph and lymphocytes
  • nodular - adj. having nodules or occurring in the form of nodules; relating to or characterized by or having nodules
  • nodule - noun a small node;  (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment);  small rounded wartlike protuberance on a plant
  • noguchi - noun United States bacteriologist (born in Japan) who discovered the cause of yellow fever and syphilis (1876-1928); United States sculptor (born in 1904)
  • noise - noun incomprehensibility resulting from irrelevant information or meaningless facts or remarks;  the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience;  a loud outcry of protest or complaint;  sound of any kind (especially unintelligible or dissonant sound);  electrical or acoustic activity that can disturb communication;  the quality of lacking any predictable order or plan; verb emit a noise
  • noiseless - adj. making no sound
  • noisiness - noun characterized by loud and constant noise
  • noisy - adj. attracting attention by showiness or bright colors;  full of or characterized by loud and nonmusical sounds
  • noma - noun acute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children
  • nomenclature - noun a system of words used to name things in a particular discipline
  • nominate - verb propose as a candidate for some honor;  put forward; nominate for appointment to an office;  create and charge with a task or function;  charge with a function; charge to be
  • nominative - adj. named; bearing the name of a specific person; serving as or indicating the subject of a verb and words identified with the subject of a copular verb;  appointed by nomination;  nounthe category of nouns serving as the grammatical subject of a verb
  • non - adv. negation of a word or group of words
  • nonabsorbent - adj. not capable of absorbing or soaking up (liquids)
  • nonadhesive - adj. not tending to adhere
  • nonalcoholic - adj. characterized by the absence of alcohol
  • nonappearance - noun failure to appear (especially as at court)
  • noncommissioned - adj. (of military officers) appointed from enlisted personnel
  • nonconductor - noun a material such as glass or porcelain with negligible electrical or thermal conductivity
  • noncontagious - adj. (of disease) not capable of being passed on
  • nondevelopment - noun failure of normal development to occur
  • none - adj. not any;  adv. not at all or in no way;  noun a service in the Roman Catholic Church formerly read or chanted at 3 PM (the ninth hour counting from sunrise) but now somewhat earlier;  a canonical hour that is the ninth hour of the day counting from sunrise
  • nonexistence - noun the state of not existing
  • nonexistent - adj. not having existence or being or actuality;  not existing
  • nonfatal - adj. not bringing death
  • nonhairy - adj. without hair
  • noninfectious - adj. not infectious
  • noninflammatory - adj. not inflammatory
  • noninterference - noun a foreign policy of staying out of other countries' disputes
  • nonmalignant - adj. not threatening to life or health; not malignant
  • nonmetal - adj. not containing or resembling or characteristic of a metal;  noun a chemical element lacking typical metallic properties
  • nonmotile - adj. (of spores or microorganisms) not capable of movement
  • nonpoisonous - adj. safe to eat;  not producing poison
  • nonpregnant - adj. not pregnant
  • nonpurulent - adj. not containing pus
  • nonsexual - adj. not having or involving sex
  • nonspecific - adj. not caused by a specific agent; used also of staining in making microscope slides
  • nonsuppurative - adj. not suppurative
  • nonsurgical - adj. not surgical
  • nontechnical - adj. not characteristic of or skilled in applied arts and sciences
  • nontoxic - adj. not producing or resulting from poison;  safe to eat
  • nonunion - adj. not belonging to or not allowing affiliation with a trade union
  • nonvolatile - adj. not volatilizing readily
  • noon - noun the middle of the day
  • noose - noun a loop formed in a cord or rope by means of a slipknot; it binds tighter as the cord or rope is pulled;  a trap for birds or small mammals; often has a slip noose;  verb secure with a noose;  make a noose in or of
  • norm - noun a standard or model or pattern regarded as typical;  a statistic describing the location of a distribution
  • norma - noun a small constellation in the southern hemisphere near Lupus and Ara in the Milky Way
  • normal - adj. conforming with or constituting a norm or standard or level or type or social norm; not abnormal;  being approximately average or within certain limits in e.g. intelligence and development; in accordance with scientific laws;  forming a right angle;  nounsomething regarded as a normative example
  • normally - adv. under normal conditions
  • north - adj. situated in or facing or moving toward or coming from the north;  adv. in a northern direction;  noun any region lying in or toward the north;  the region of the United States lying north of the Mason-Dixon line;  British statesman under George III whose policies led to rebellion in the American colonies (1732-1792);  the cardinal compass point that is at 0 or 360 degrees;  the direction in which a compass needle points;  the United States (especially the northern states during the American Civil War)
  • northeast - adj. situated in or oriented toward the northeast;  coming from the northeast;  adv. to, toward, or in the northeast;  noun the northeastern region of the United States;  the compass point midway between north and east; at 45 degrees
  • northern - adj. situated in or coming from regions of the north;  in or characteristic of a region of the United States north of (approximately) the Mason-Dixon line;  coming from the north; used especially of wind;  situated in or oriented toward the north;  noun a dialect of Middle English that developed into Scottish Lallans
  • northward - adj. moving toward the north;  adv. in a northern direction;  noun the cardinal compass point that is at 0 or 360 degrees
  • northwest - adj. situated in or oriented toward the northwest; coming from the northwest;  adv. to, toward, or in the northwest; noun the northwestern region of the United States;  the compass point midway between north and west; at 315 degrees
  • northwestern - adj. of a region of the United States generally including Washington; Oregon; Idaho; and sometimes Montana; Wyoming;  situated in or oriented toward the northwest
  • norway - noun a constitutional monarchy in northern Europe on the western side of the Scandinavian Peninsula; achieved independence from Sweden in 1905
  • nose - noun a front that resembles a human nose (especially the front of an aircraft);  the front or forward projection of a tool or weapon;  the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals;  a natural skill; the sense of smell (especially in animals);  a symbol of inquisitiveness;  a small distance;  a projecting spout from which a fluid is discharged;  verb defeat by a narrow margin;  push or move with the nose;  advance the forward part of with caution;  rub noses; catch the scent of; get wind of;  search or inquire in a meddlesome way
  • nosed - adj. having a nose (either literal or metaphoric) especially of a specified kind
  • nosepiece - noun armor plate that protects the nose;  the link between two lenses; rests on nose
  • nostalgia - noun longing for something past
  • nostril - noun either one of the two external openings to the nasal cavity in the nose
  • nostrum - noun patent medicine whose efficacy is questionable; hypothetical remedy for all ills or diseases; once sought by the alchemists
  • not - adv. negation of a word or group of words
  • notable - adj. widely known and esteemed;  worthy of notice;  noun a celebrity who is an inspiration to others
  • notably - adv. to a notable extent
  • notch - noun a small cut;  a V-shaped or U-shaped indentation carved or scratched into a surface;  a V-shaped indentation;  the location in a range of mountains of a geological formation that is lower than the surrounding peaks;  verb notch a surface to record something;  cut or make a notch into
  • notched - adj. having an irregularly notched or toothed margin as though gnawed;  notched like a saw with teeth pointing toward the apex
  • note - noun a characteristic emotional quality;  a brief written record; a short personal letter;  a comment or instruction (usually added);  a notation representing the pitch and duration of a musical sound;  a tone of voice that shows what the speaker is feeling;  a promise to pay a specified amount on demand or at a certain time;  a piece of paper money (especially one issued by a central bank);  high status importance owing to marked superiority;  verb make mention of; make a written note of;  observe with care or pay close attention to; notice or perceive
  • noted - adj. worthy of notice or attention;  widely known and esteemed
  • noteworthy - adj. worthy of notice;  worthy of notice
  • nothing - adv. in no way; to no degree;  noun a nonexistent thing;  a quantity of no importance
  • notice - noun the act of noticing or paying attention;  polite or favorable attention;  a short critical review;  an announcement containing information about a future event;  advance notification (usually written) of the intention to withdraw from an arrangement or contract;  a sign posted in a public place as an advertisement;  a request for payment;  verb express recognition of the presence or existence of, or acquaintance with;  notice or perceive;  make or write a comment on;  discover or determine the existence, presence, or fact of
  • noticeable - adj. capable or worthy of being perceived;  readily noticed;  undesirably noticeable;  capable of being detected
  • noticed - adj. being perceived or observed
  • notification - noun a request for payment;  an accusation of crime made by a grand jury on its own initiative;  informing by words
  • notion - noun (usually plural) small personal articles or clothing or sewing items;  a general inclusive concept;  an odd or fanciful or capricious idea;  a vague idea in which some confidence is placed
  • notoriety - noun the state of being known for some unfavorable act or quality
  • notwithstanding - adv. despite anything to the contrary (usually following a concession)
  • nourish - verb provide with nourishment;  give nourishment to
  • nourished - adj. being provided with adequate nourishment; encouraged or promoted in growth or development
  • nourishing - adj. of or providing nourishment
  • nourishment - noun the act of nourishing;  a source of materials to nourish the body
  • nous - noun common sense;  that which is responsible for one's thoughts and feelings; the seat of the faculty of reason
  • nov - noun the month following October and preceding December
  • november - noun the month following October and preceding December
  • novocain - noun procaine administered as a hydrochloride (trade name Novocain)
  • now - adv. used to preface a command or reproof or request;  at the present moment;  in the historical present; at this point in the narration of a series of past events;  in the immediate past;  (prefatory or transitional) indicates a change of subject or activity;  in these times;  without delay or hesitation; with no time intervening;  noun the momentary present
  • nowadays - adv. in these times;  noun the period of time that is happening now; any continuous stretch of time including the moment of speech
  • nowhere - adv. not anywhere; in or at or to no place;  noun an insignificant place
  • nowise - adv. in no manner
  • noxious - adj. injurious to physical or mental health
  • nozzle - noun a projecting spout from which a fluid is discharged; informal terms for the nose
  • nu - noun the 13th letter of the Greek alphabet
  • nucha - noun the back side of the neck
  • nuclear - adj. constituting or like a nucleus;  (weapons) deriving destructive energy from the release of atomic energy;  of or relating to or constituting the nucleus of an atom;  of or relating to or constituting the nucleus of a cell
  • nucleated - adj. having a nucleus or occurring in the nucleus
  • nucleus - noun a part of the cell containing DNA and RNA and responsible for growth and reproduction;  any histologically identifiable mass of neural cell bodies in the brain or spinal cord;  the positively charged dense center of an atom;  (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail;  a small group of indispensable persons or things
  • nude - adj. completely unclothed;  noun a painting of a naked human figure;  a statue of a naked human figure;  a naked person;  without clothing (especially in the phrase `in the nude')
  • nuisance - noun (law) a broad legal concept including anything that disturbs the reasonable use of your property or endangers life and health or is offensive;  a bothersome annoying person
  • numb - adj. so frightened as to be unable to move; stunned or paralyzed with terror;  lacking sensation;  (followed by `to') not showing human feeling or sensitivity; unresponsive;  verb make numb or insensitive
  • number - noun an item of merchandise offered for sale;  a clothing measurement;  the property possessed by a sum or total or indefinite quantity of units or individuals;  the grammatical category for the forms of nouns and pronouns and verbs that are used depending on the number of entities involved (singular or dual or plural);  a numeral or string of numerals that is used for identification;  a select company of people;  a concept of quantity derived from zero and units;  the number is used in calling a particular telephone;  one of a series published periodically;  a symbol used to represent a number;  a short theatrical performance that is part of a longer program;  verb place a limit on the number of;  enumerate;  give numbers to;  determine the number or amount of;  add up in number or quantity;  put into a group
  • numbering - noun a numbered list
  • numberless - adj. too numerous to be counted
  • numbers - noun the fourth book of the Old Testament; contains a record of the number of Israelites who followed Moses out of Egypt; an illegal daily lottery
  • numbing - adj. causing numbness or insensitivity
  • numbness - noun partial or total lack of sensation in a part of the body; a symptom of nerve damage or dysfunction;  the trait of lacking enthusiasm for or interest in things generally
  • numerator - noun the dividend of a fraction
  • numeric - adj. measured or expressed in numbers;  designated by or expressed in numbers;  of or relating to or denoting numbers
  • numerical - adj. designated by or expressed in numbers;  relating to or having ability to think in or work with numbers;  measured or expressed in numbers;  of or relating to or denoting numbers
  • numerous - adj. amounting to a large indefinite number
  • nurse - noun one skilled in caring for young children or the sick (usually under the supervision of a physician);  a woman who is the custodian of children;  verb try to cure by special care of treatment, of an illness or injury;  treat carefully;  serve as a nurse; care for sick or handicapped people;  give suck to;  maintain (a theory, thoughts, or feelings)
  • nursed - adj. (of an infant) breast-fed
  • nursery - noun a child's room for a baby;  a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions
  • nursing - noun the work of caring for the sick or injured or infirm; nourishing at the breast;  the profession of a nurse
  • nursing bottle - noun a vessel fitted with a flexible teat and filled with milk or formula; used as a substitute for breast feeding infants and very young children
  • nut - noun a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt;  Egyptian goddess of the sky;  usually large hard-shelled seed;  one of the two male reproductive glands that produce spermatozoa and secrete androgens;  someone who is so ardently devoted to something that it resembles an addiction;  a whimsically eccentric person;  half the width of an em;  verb gather nuts
  • nutmeg - noun hard aromatic seed of the nutmeg tree used as spice when grated or ground;  East Indian tree widely cultivated in the tropics for its aromatic seed; source of two spices: nutmeg and mace
  • nutrient - adj. of or providing nourishment;  noun any substance that can be metabolized by an organism to give energy and build tissue
  • nutriment - noun a source of materials to nourish the body
  • nutrition - noun the scientific study of food and drink (especially in humans);  (physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance;  a source of materials to nourish the body
  • nutritional - adj. of or relating to or providing nutrition
  • nutritionally - adv. with regard to nutrition
  • nutritious - adj. of or providing nourishment
  • nutritive - adj. of or providing nourishment
  • nuts - adj. informal or slang terms for mentally irregular
  • nutty - adj. having the flavor of nuts;  informal or slang terms for mentally irregular
  • nux vomica - noun a medicine made from the seeds of an Asiatic tree; contains strychnine and brucine; formerly used as a stimulant
  • nyctalopia - noun inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
  • nymphomania - noun abnormally intense sexual desire in women
  • nystagmus - noun involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders
  • o - noun the blood group whose red cells carry neither the A nor B antigens;  the 15th letter of the Roman alphabet;  a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
  • oak - noun a deciduous tree of the genus Quercus; has acorns and lobed leaves;  the hard durable wood of any oak; used especially for furniture and flooring
  • oakland - noun a city in western California on San Francisco Bay opposite San Francisco; primarily and industrial urban center
  • oat - noun seed of the annual grass Avena sativa (spoken of primarily in the plural as `oats');  annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')
  • oath - noun a commitment to tell the truth (especially in a court of law); to lie under oath is to become subject to prosecution for perjury;  a solemn promise, usually invoking a divine witness, regarding your future acts or behavior;  profane or obscene expression usually of surprise or anger
  • oatmeal - noun meal made from rolled or ground oats;  porridge made of rolled oats
  • ob - noun a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea;  the branch of medicine dealing with childbirth and care of the mother
  • obedience - noun behavior intended to please your parents;  the act of obeying; dutiful or submissive behavior with respect to another person;  the trait of being willing to obey
  • obese - adj. excessively fat
  • obesity - noun more than average fatness
  • obey - verb be obedient to
  • object - noun a tangible and visible entity; an entity that can cast a shadow;  the focus of cognitions or feelings;  (grammar) a constituent that is acted upon;  the goal intended to be attained (and which is believed to be attainable);  verb express or raise an objection or protest or criticism or express dissent;  be averse to or express disapproval of
  • objection - noun (law) a procedure whereby a party to a suit says that a particular line of questioning or a particular witness or a piece of evidence or other matter is improper and should not be continued and asks the court to rule on its impropriety or illegality;  the speech act of objecting;  the act of protesting; a public (often organized) manifestation of dissent;  the act of expressing earnest opposition or protest
  • objectionable - adj. causing disapproval or protest;  liable to objection or debate; used of something one might take exception to
  • objective - adj. belonging to immediate experience of actual things or events;  undistorted by emotion or personal bias; based on observable phenomena;  emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation;  serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes;  nounthe lens or system of lenses in a telescope or microscope that is nearest the object being viewed;  the goal intended to be attained (and which is believed to be attainable)
  • objectively - adv. with objectivity
  • obligation - noun a legal agreement specifying a payment or action and the penalty for failure to comply;  a personal relation in which one is indebted for a service or favor;  the state of being obligated to do or pay something;  the social force that binds you to the courses of action demanded by that force
  • obligatory - adj. morally or legally constraining or binding;  required by obligation or compulsion or convention
  • obliged - adj. under a moral obligation to do something
  • oblique - adj. slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled;  indirect in departing from the accepted or proper way; misleading;  noun any grammatical case other than the nominative;  a diagonally arranged abdominal muscle on either side of the torso
  • obliquely - adv. at an oblique angle;  to, toward or at one side
  • obliquity - noun the quality of being deceptive;  the presentation during labor of the head of the fetus at an abnormal angle
  • obliterate - adj. reduced to nothingness;  verb remove completely from recognition or memory;  do away with completely, without leaving a trace;  make undecipherable or imperceptible by obscuring or concealing;  mark for deletion, rub off, or erase
  • obliterated - adj. reduced to nothingness
  • obliteration - noun destruction by annihilating something;  the complete destruction of every trace of something
  • oblong - adj. deviating from a square or circle or sphere by being elongated in one direction;  of a leaf shape; having a somewhat elongated form with approximately parallel sides;  noun a plane figure that deviates from a square or circle due to elongation
  • obscene - adj. designed to incite to indecency or lust;  suggestive of or tending to moral looseness;  offensive to the mind
  • obscure - adj. not clearly understood or expressed;  not drawing attention;  not famous or acclaimed;  marked by difficulty of style or expression;  remote and separate physically or socially;  difficult to find;  verb make obscure or unclear;  make difficult to perceive by sight;  make undecipherable or imperceptible by obscuring or concealing;  make less visible or unclear;  make unclear, indistinct, or blurred
  • observation - noun the act of observing; taking a patient look;  the act of making and recording a measurement;  facts learned by observing;  a remark expressing careful consideration;  the act of noticing or paying attention
  • observe - verb observe correctly or closely;  watch attentively; celebrate, as of holidays or rites;  conform one's action or practice to; make mention of;  observe with care or pay close attention to; discover or determine the existence, presence, or fact of;  follow with the eyes or the mind;  show respect towards
  • observed - adj. discovered or determined by scientific observation
  • observable - adj. capable of being seen or noticed
  • observance - noun the act of observing; taking a patient look; conformity with law or custom or practice etc.;  the act of noticing or paying attention;  a formal event performed on a special occasion
  • observation - noun the act of observing; taking a patient look;  the act of making and recording a measurement;  facts learned by observing;  a remark expressing careful consideration;  the act of noticing or paying attention
  • observe - verb observe correctly or closely;  watch attentively; celebrate, as of holidays or rites;  conform one's action or practice to; make mention of;  observe with care or pay close attention to; discover or determine the existence, presence, or fact of;  follow with the eyes or the mind;  show respect towards
  • observed - adj. discovered or determined by scientific observation
  • observer - noun an expert who observes and comments on something;  a person who becomes aware (of things or events) through the senses
  • observing - adj. quick to notice; showing quick and keen perception
  • obsession - noun an unhealthy and compulsive preoccupation with something or someone;  an irrational motive for performing trivial or repetitive actions against your will
  • obsolete - adj. old; no longer in use or valid or fashionable;  no longer in use
  • obstacle - noun an obstruction that stands in the way (and must be removed or surmounted or circumvented);  something immaterial that stands in the way and must be circumvented or surmounted
  • obstetric - adj. of or relating to or used in or practicing obstetrics
  • obstetrician - noun a physician specializing in obstetrics
  • obstetrics - noun the branch of medicine dealing with childbirth and care of the mother
  • obstinacy - noun resolute adherence to your own ideas or desires; the trait of being difficult to handle or overcome
  • obstinate - adj. resistant to guidance or discipline;  stubbornly persistent in wrongdoing;  tenaciously unwilling or marked by tenacious unwillingness to yield;  verb persist stubbornly
  • obstinately - adv. in a stubborn unregenerate manner
  • obstipation - noun severe constipation resulting from an obstruction in the intestines
  • obstruct - verb block passage through;  shut out from view or get in the way so as to hide from sight;  hinder or prevent the progress or accomplishment of
  • obstructed - adj. shut off to passage or view or hindered from action
  • obstruction - noun getting in someone's way;  the act of obstructing; any structure that makes progress difficult;  the state or condition of being obstructed;  something immaterial that stands in the way and must be circumvented or surmounted
  • obstructive - adj. preventing movement
  • obtain - verb come into possession of;  receive a specified treatment (abstract);  be valid, applicable, or true
  • obtainable - adj. capable of being obtained
  • obtrusive - adj. sticking out; protruding;  undesirably noticeable
  • obturator - noun a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate)
  • obtuse - adj. lacking in insight or discernment;  of an angle; between 90 and 180 degrees;  of a leaf shape; rounded at the apex;  slow to learn or understand; lacking intellectual acuity
  • obviate - verb do away with;  prevent the occurrence of; prevent from happening
  • obviating - adj. made impossible
  • obvious - adj. easily perceived by the senses or grasped by the mind
  • obviously - adv. unmistakably (`plain' is often used informally for `plainly')
  • occasion - noun reason;  an opportunity to do something;  the time of a particular event;  an event that occurs at a critical time;  a vaguely specified social event;  verb give occasion to
  • occasional - adj. occurring from time to time;  occurring or appearing at usually irregular intervals;  occuring from time to time
  • occasionally - adv. now and then or here and there
  • occasions - noun something you have to do
  • occipital - adj. of or relating to the occiput
  • occiput - noun back part of the head or skull
  • occlude - verb block passage through
  • occluded - adj. (of a substance) taken into and retained in another substance;  closed off
  • occlusion - noun (dentistry) the normal spatial relation of the teeth when the jaws are closed;  closure or blockage (as of a blood vessel);  the act of blocking;  an obstruction in a pipe or tube; (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
  • occlusive - adj. tending to occlude;  noun a consonant produced by stopping the flow of air at some point and suddenly releasing it
  • occult - adj. hidden and difficult to see;  having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding;  noun supernatural practices and techniques;  supernatural forces and events and beings collectively; verb hide from view;  become concealed or hidden from view or have its light extinguished;  cause an eclipse of (a celestial body) by intervention
  • occupancy - noun an act of being a tenant or occupant;  the act of occupying or taking possession of a building
  • occupation - noun the act of occupying or taking possession of a building;  the principal activity in your life that you do to earn money; any activity that occupies a person's attention;  the control of a country by military forces of a foreign power;  the period of time during which a place or position or nation is occupied
  • occupational - adj. of or relating to the activity or business for which you are trained
  • occupied - adj. resided in; having tenants;  held or filled or in use; seized and controlled as by military invasion;  having ones attention or mind or energy engaged
  • occupy - verb live (in a certain place);  occupy the whole of;  engage or engross wholly;  march aggressively into another's territory by military force for the purposes of conquest and occupation;  require (time or space);  keep busy with;  be present in; be inside of;  be on the mind of
  • occur - verb come to one's mind; suggest itself;  to be found to exist; come to pass
  • occurrence - noun an instance of something occurring;  an event that happens
  • ocean - noun a large body of water constituting a principal part of the hydrosphere;  anything apparently limitless in quantity or volume
  • oceanic - adj. constituting or living in the open sea;  resembling the ocean in apparent limitlessness in extent or degree;  relating to or occurring or living in or frequenting the open ocean;  noun an eastern subfamily of Malayo-Polynesian languages
  • oct - noun the month following September and preceding November
  • ocular - adj. able to be seen;  relating to or using sight;  of or relating to or resembling the eye;  noun combination of lenses at the viewing end of optical instruments
  • oculist - noun a medical doctor specializing in the treatment of diseases of the eye;  a person skilled in testing for defects of vision in order to prescribe corrective glasses
  • oculomotor - noun supplies extrinsic muscles of the eye
  • od - noun the right eye;  a doctor's degree in optometry
  • odd - adj. not easily explained;  not divisible by two;  an indefinite quantity more than that specified;  of the remaining member of a pair, of socks e.g.;  not used up;  beyond or deviating from the usual or expected
  • odium - noun state of disgrace resulting from detestable behavior; hate coupled with disgust
  • odor - noun any property detected by the olfactory system;  the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form
  • odorless - adj. having no odor
  • odorous - adj. having odor or a characteristic odor;  having a natural fragrance;  emitting an odor
  • off - adj. not performing or scheduled for duties;  not in operation or operational;  (of events) no longer planned or scheduled;  below a satisfactory level;  in an unpalatable state;  adv. no longer on or in contact or attached;  at a distance in space or time;  from a particular thing or place or position (`forth' is obsolete);  verb kill intentionally and with premeditation
  • offender - noun a person who transgresses moral or civil law
  • offending - adj. offending against or breaking a law or rule
  • offense - noun the action of attacking an enemy;  the team that has the ball (or puck) and is trying to score;  a crime less serious than a felony;  a lack of politeness; a failure to show regard for others; wounding the feelings or others;  a feeling of anger caused by being offended
  • offensive - adj. unpleasant or disgusting especially to the senses; causing anger or annoyance;  for the purpose of attack rather than defense;  violating or tending to violate or offend against;  of an offensive substitute for inoffensive terminology;  morally offensive; causing or able to cause nausea;  noun the action of attacking an enemy
  • offer - noun something offered (as a proposal or bid);  the verbal act of offering;  a usually brief attempt;  verb put forward for consideration;  threaten to do something;  produce or introduce on the stage;  make available or accessible, provide or furnish;  present for acceptance or rejection;  make available for sale;  offer verbally; propose a payment;  present as an act of worship;  ask (someone) to marry you;  make available; provide;  mount or put up;  agree freely
  • offering - noun money contributed to a religious organization;  the act of contributing to the funds of a church or charity;  something offered (as a proposal or bid);  the verbal act of offering
  • office - noun a religious rite or service prescribed by ecclesiastical authorities;  place of business where professional or clerical duties are performed;  professional or clerical workers in an office;  (of a government or government official) holding an office means being in power;  a job in an organization;  the actions and activities assigned to or required or expected of a person or group;  an administrative unit of government
  • officer - noun a person authorized to serve in a position of authority on a vessel;  any person in the armed services who holds a position of authority or command;  someone who is appointed or elected to an office and who holds a position of trust;  a member of a police force;  verb direct or command as an officer
  • official - adj. having official authority or sanction;  verified officially; (of a church) given official status as a national or state institution; conforming to set usage, procedure, or discipline;  of or relating to an office;  noun someone who administers the rules of a game or sport; a worker who holds or is invested with an office
  • officially - adv. in an official role;  with official authorization
  • offset - noun a plate makes an inked impression on a rubber-blanketed cylinder, which in turn transfers it to the paper;  structure where a wall or building narrows abruptly;  a natural consequence of development;  a horizontal branch from the base of plant that produces new plants from buds at its tips;  a compensating equivalent;  the time at which something is supposed to begin;  verbproduce by offset printing;  create an offset in;  cause (printed matter) to transfer or smear onto another surface;  compensate for or counterbalance;  make up for
  • offspring - noun something that comes into existence as a result; the immediate descendants of a person;  any immature animal
  • oft - adv. many times at short intervals
  • often - adv. many times at short intervals;  frequently or in great quantities
  • oftener - adv. more often or more frequently
  • oftentimes - adv. many times at short intervals
  • ofttimes - adv. many times at short intervals
  • oh - noun a midwestern state in north central United States in the Great Lakes region
  • ohio - noun a midwestern state in north central United States in the Great Lakes region;  a river that is formed in western Pennsylvania and flows westward to become a tributary of the Mississippi River
  • ohm - noun German physicist who formulated Ohm's law (1787-1854);  a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
  • oil - noun oil paint containing pigment that is used by an artist;  a slippery or viscous liquid or liquefiable substance not miscible with water;  any of a group of liquid edible fats that are obtained from plants;  verb cover with oil, as if by rubbing;  administer an oil or ointment to ; often in a religious ceremony of blessing
  • oilcloth - noun cloth treated on one side with a drying oil or synthetic resin
  • oiled - adj. treated with oil
  • oiliness - noun smug self-serving earnestness;  consisting of or covered with oil
  • oilman - noun a worker who produces or sells petroleum;  a person who owns or operates oil wells
  • oily - adj. coated or covered with oil;  smeared or soiled with grease or oil;  containing an unusual amount of grease or oil;  unpleasantly and excessively suave or ingratiating in manner or speech
  • ointment - noun semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation; toiletry consisting of any of various substances in the form of a thick liquid that have a soothing and moisturizing effect when applied to the skin
  • old - adj. of a very early stage in development;  old in experience; (used for emphasis) very familiar;  of long duration; not new;  (used especially of persons) having lived for a relatively long time or attained a specific age;  just preceding something else in time or order;  (used informally especially for emphasis);  belonging to some prior time;  noun past times (especially in the phrase `in days of old')
  • old age - noun a late time of life
  • old-fashioned - adj. out of fashion
  • old-world - adj. characteristic of former times especially in Europe
  • olden - adj. long past
  • older - adj. old in experience;  advanced in years; (`aged' is pronounced as two syllables);  used of the older of two persons of the same name especially used to distinguish a father from his son
  • oleaginous - adj. containing an unusual amount of grease or oil; unpleasantly and excessively suave or ingratiating in manner or speech
  • olecranon - noun process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended
  • olein - noun a naturally occuring glyceride of oleic acid that is found in fats and oils
  • oleoresin - noun a naturally occurring mixture of a resin and an essential oil; obtained from certain plants
  • olfactory - adj. of or relating to olfaction
  • olibanum - noun an aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation
  • oliguria - noun production of an abnormally small amount of urine; abnormally small production of urine; can be a symptom of kidney disease or obstruction of the urinary tract or edema or an imbalance of fluids and electrolytes in the body
  • olive - adj. of a yellow-green color similar to that of an unripe olive; noun a yellow-green color of low brightness and saturation;  one-seeded fruit of the European olive tree usually pickled and used as a relish;  hard yellow often variegated wood of an olive tree; used in cabinetwork;  evergreen tree cultivated in the Mediterranean region since antiquity and now elsewhere; has edible shiny black fruits; small ovoid fruit of the European olive tree; important food and source of oil
  • ology - noun an informal word (abstracted from words with this ending) for some unidentified branch of knowledge
  • omaha - noun thoroughbred that won the triple crown in 1935;  the Dhegiha dialect spoken by the Omaha;  largest city in Nebraska; located in eastern Nebraska on the Missouri river; a major transportation center of the Midwest;  a member of the Siouan people formerly living in the Missouri river valley in northeastern Nebraska
  • omelet - noun beaten eggs or an egg mixture cooked until just set; may be folded around e.g. ham or cheese or jelly
  • omen - noun a sign of something about to happen;  verb indicate by signs
  • omentum - noun a fold of peritoneum supporting the viscera
  • ominous - adj. presaging ill fortune;  threatening or foreshadowing evil or tragic developments
  • omission - noun a mistake resulting from neglect;  neglecting to do something; leaving out or passing over something;  any process whereby sounds are left out of spoken words or phrases;  something that has been omitted
  • omit - verb leave undone or leave out;  prevent from being included or considered or accepted
  • on - adj. in operation or operational;  (of events) planned or scheduled;  adv. indicates continuity or persistence or concentration; in a state required for something to function or be effective;  with a forward motion
  • once - adv. on one occasion;  at a previous time;  as soon as
  • oncoming - adj. moving toward one;  noun the beginning or early stages
  • one - adj. indefinite in time or position;  being a single entity made by combining separate components;  used informally as an intensifier; of the same kind or quality;  used of a single unit or thing; not two or more;  having the indivisible character of a unit;  eminent beyond or above comparison;  noun a single person or thing;  the smallest whole number or a numeral representing this number
  • one-eighth - noun one part in eight equal parts
  • one-fifth - noun one part in five equal parts
  • one-fourth - noun one of four equal parts
  • one-half - noun one of two equal parts of a divisible whole
  • one-millionth - noun one part in a million equal parts
  • one-seventh - noun one part in seven equal parts
  • one-sided - adj. involving only one part or side;  favoring one person or side over another;  not reversible or capable of having either side out
  • one-sixth - noun one part in six equal parts
  • one-tenth - noun a tenth part; one part in ten equal parts
  • one-third - noun one of three equal parts of a divisible whole
  • one-thousandth - noun one part in a thousand equal parts
  • onion - noun an aromatic flavorful bulb;  bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb;  edible bulb of an onion plant
  • only - adj. exclusive of anyone or anything else;  being the only one; single and isolated from others;  adv. with nevertheless the final result;  in the final outcome;  as recently as;  except that;  never except when;  and nothing more;  without any others being included or involved
  • onomatomania - noun obsession with a particular word which the person uses repeatedly or which intrudes into consciousness
  • onset - noun the beginning or early stages;  (military) an offensive against an enemy (using weapons)
  • ontario - noun a prosperous and industrialized province in central Canada;  the smallest of the Great Lakes
  • onward - adj. moving toward a position ahead;  adv. in a forward direction;  forward in time or order or degree
  • onyx - noun a chalcedony with alternating black and white bands; used in making cameos
  • oophorectomy - noun surgical removal of one of both ovaries
  • oophoritis - noun inflammation of one or both ovaries
  • ooze - noun the process of seeping;  any thick messy substance; verb release (a liquid) in drops or small quantities;  pass gradually or leak through or as if through small openings
  • oozing - adj. leaking out slowly;  noun the process of seeping
  • oozy - adj. leaking out slowly
  • opacity - noun the quality of being opaque to a degree; the degree to which something reduces the passage of light; incomprehensibility resulting from obscurity of meaning;  the phenomenon of not permitting the passage of electromagnetic radiation
  • opalescence - noun the visual property of something having a milky brightness and a play of colors from the surface
  • opalescent - adj. having a play of lustrous rainbow-like colors
  • opaline - adj. having a play of lustrous rainbow-like colors
  • opaque - adj. not clear; not transmitting or reflecting light or radiant energy;  not clearly understood or expressed
  • open - adj. ready for business;  not having been filled;  without undue constriction as from e.g. tenseness or inhibition;  affording unobstructed entrance and exit; not shut or closed;  affording free passage or access;  used of mouth or eyes;  having no protecting cover or enclosure;  (set theory) of an interval that contains neither of its endpoints;  open to or in view of all;  accessible to all;  not sealed or having been unsealed;  not brought to a conclusion; subject to further thought;  not requiring union membership;  openly straightforward and direct without reserve or secretiveness;  affording free passage or view;  open and observable; not secret or hidden; with no protection or shield;  ready or willing to receive favorably;  (of textures) full of small openings or gaps;  possibly accepting or permitting;  not defended or capable of being defended;  nouninformation that has become public;  a tournament in which both professionals and amateurs may play;  a clear or unobstructed space or expanse of land or water;  where the air is unconfined;  verb make available;  become available;  make the opening move;  cause to open or to become open;  become open;  display the contents of a file or start an application as on a computer;  begin or set in action, of meetings, speeches, recitals, etc.;  start to operate or function or cause to start operating or functioning;  have an opening or passage or outlet;  spread out or open from a closed or folded state;  afford access to
  • open-air - adj. in the open air
  • opened - adj. made open or clear;  used of mouth or eyes;  not sealed or having been unsealed
  • opening - adj. first or beginning;  noun the act of opening something; becoming open or being made open;  a recognized sequence of moves at the beginning of a game of chess;  a vacant or unobstructed space that is man-made;  the initial part of the introduction;  the first performance (as of a theatrical production);  a ceremony accompanying the start of some enterprise;  an open or empty space in or between things;  opportunity especially for employment or promotion;  the first of a series of actions;  an entrance equipped with a hatch; especially a passageway between decks of a ship;  an aperture or hole that opens into a bodily cavity;  a possible alternative
  • operable - adj. capable of being treated by surgical operation; usable for a specific purpose;  fit or ready for use or service
  • operate - verb happen;  handle and cause to function;  direct or control; projects, businesses, etc.;  perform surgery on;  perform a movement in military or naval tactics in order to secure an advantage in attack or defense;  keep engaged;  perform as expected when applied
  • operating - adj. involved in a kind of operation;  being in effect or operation
  • operating room - noun a room in a hospital equipped for the performance of surgical operations
  • operation - noun the activity of operating something (a machine or business etc.);  a planned activity involving many people performing various actions;  a process or series of acts especially of a practical or mechanical nature involved in a particular form of work;  a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body;  activity by a military or naval force (as a maneuver or campaign);  a business especially one run on a large scale;  (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction);  process or manner of functioning or operating;  the state of being in effect or being operative;  (mathematics) calculation by mathematical methods; (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
  • operations - noun financial transactions at a brokerage; having to do with the execution of trades and keeping customer records
  • operative - adj. being in force or having or exerting force;  effective; producing a desired effect;  of or relating to a surgical operation;  (of e.g. a machine) performing or capable of performing;  relating to or requiring or amenable to treatment by surgery especially as opposed to medicine;  noun someone who can be employed as a detective to collect information;  a person secretly employed in espionage for a government
  • operator - noun an agent that operates some apparatus or machine;  someone who owns or operates a business;  a speculator who trades aggressively on stock or commodity markets; (mathematics) a symbol that represents a function from functions to functions;  a shrewd or unscrupulous person who knows how to circumvent difficulties
  • ophthalmia - noun severe conjunctivitis
  • ophthalmic - adj. of or relating to ophthalmology;  of or relating to the eye
  • ophthalmologist - noun a medical doctor specializing in the treatment of diseases of the eye
  • ophthalmology - noun the branch of medicine concerned with the eye and its diseases
  • ophthalmoplegia - noun paralysis of the motor nerves of the eye
  • ophthalmoscope - noun medical instrument for examining the retina of the eye
  • ophthalmoscopy - noun examination of the interior of an eye using an ophthalmoscope
  • opiate - noun a narcotic drug that contains opium or an opium derivative
  • opinion - noun the reason for a court's judgment (as opposed to the decision itself);  a personal belief or judgment that is not founded on proof or certainty;  the legal document stating the reasons for a judicial decision;  a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof;  a vague idea in which some confidence is placed;  a belief or sentiment shared by most people; the voice of the people
  • opisthotonos - noun severe spasm in which the back arches and the head bends back and heels flex toward the back
  • opium - noun an addictive narcotic extracted from seed capsules of the opium poppy
  • oporto - noun port city in northwest Portugal; noted for port wine
  • opportunity - noun a possibility due to a favorable combination of circumstances
  • oppose - verb be against; express opposition to;  be resistant to; oppose with equal weight or force;  set into opposition or rivalry;  fight against or resist strongly;  act against or in opposition to
  • opposed - adj. being in opposition or having an opponent;  in opposition to (a policy or attitude etc.)
  • opposing - adj. characterized by active hostility;  in opposition to (a policy or attitude etc.)
  • opposite - adj. of leaves etc; growing in pairs on either side of a stem;  altogether different in nature or quality or significance;  the other one of a complementary pair;  being directly across from each other; facing;  moving or facing away from each other;  characterized by opposite extremes; completely opposed;  adv. directly facing each other;  noun a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other;  a contestant that you are matched against;  a relation of direct opposition;  something inverted in sequence or character or effect
  • opposition - noun a body of people united in opposing something; the major political party opposed to the party in office and prepared to replace it if elected;  a contestant that you are matched against;  a direction opposite to another;  the relation between opposed entities; the action of opposing something that you disapprove or disagree with;  the act of hostile groups opposing each other;  an armed adversary (especially a member of an opposing military force)
  • oppressed - adj. burdened psychologically or mentally
  • oppression - noun the act of subjugating by cruelty;  a feeling of being oppressed;  the state of being kept down by unjust use of force or authority: "after years of oppression they finally revolted"
  • oppressive - adj. marked by unjust severity or arbitrary behavior; weighing heavily on the senses or spirit
  • ops - noun (Roman mythology) goddess of abundance and fertility; wife of Saturn; counterpart of Greek Rhea and Cybele of ancient Asia Minor
  • opsonin - noun an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes
  • optic - adj. relating to or using sight;  of or relating to or resembling the eye;  noun the organ of sight
  • optical - adj. of or relating to or involving light or optics;  relating to or using sight;  of or relating to or resembling the eye
  • optically - adv. in an optical manner
  • optics - noun the branch of physics that studies the physical properties of light
  • optimum - adj. most desirable possible under a restriction expressed or implied;  noun most favorable condition or greatest degree or amount possible under given circumstances
  • option - noun one of a number of things from which only one can be chosen;  the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited;  the act of choosing or selecting
  • optional - adj. possible but not necessary; left to personal choice
  • or - noun a room in a hospital equipped for the performance of surgical operations;  a state in northwestern United States on the Pacific
  • oral - adj. a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression;  of or involving the mouth or mouth region or the surface on which the mouth is located;  using speech rather than writing;  of or relating to or affecting or for use in the mouth;  noun an examination conducted by word of mouth
  • orally - adv. by spoken rather than written means;  (of drugs) through the mouth rather than through injection
  • orange - adj. of the color between red and yellow; similar to the color of a ripe orange;  noun orange color or pigment; any of a range of colors between red and yellow;  round yellow to orange fruit of any of several citrus trees;  a river in South Africa that flows generally westward to the Atlantic Ocean;  any citrus tree bearing oranges;  any pigment producing the orange color
  • orange juice - noun bottled or freshly squeezed juice of oranges
  • orange peel - noun the rind of an orange
  • orange-red - adj. of red tinged with orange
  • orange yellow - noun a shade of yellow tinged with orange
  • orangewood - noun fine-grained wood of an orange tree; used in fine woodwork
  • oration - noun an instance of oratory
  • oratorio - noun a musical composition for voices and orchestra based on a religious text
  • oratory - noun addressing an audience formally (usually a long and rhetorical address and often pompous)
  • orbit - noun the (usually elliptical) path described by one celestial body in its revolution about another;  the path of an electron around the nucleus of an atom;  an area in which something acts or operates or has power or control: "the range of a supersonic jet";  the bony cavity in the skull containing the eyeball;  a particular environment or walk of life;  verb move in an orbit
  • orbital - adj. of or relating to the eye socket;  of or relating to an orbit
  • orchard - noun garden consisting of a small cultivated wood without undergrowth
  • orchid - noun any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors
  • orchitis - noun inflammation of one or both testes; characterized by pain and swelling
  • ordeal - noun a primitive method of determining a person's guilt or innocence by subjecting the accused person to dangerous or painful tests believed to be under divine control; escape was usually taken as a sign of innocence;  a severe or trying experience
  • order - noun the act of putting things in a sequential arrangement; (architecture) one of original three styles of Greek architecture distinguished by the type of column and entablature used or a style developed from the original three by the Romans;  a degree in a continuum of size or quantity;  a commercial document used to request someone to supply something in return for payment and providing specifications and quantities;  a body of rules followed by an assembly;  (often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed;  a request for food or refreshment (as served in a restaurant or bar etc.); (biology) taxonomic group containing one or more families;  a group of person living under a religious rule;  established customary state (especially of society);  a legally binding command or decision entered on the court record (as if issued by a court or judge);  a formal association of people with similar interests;  logical or comprehensible arrangement of separate elements;  (usually plural) the status or rank or office of a Christian clergyman in an ecclesiastical hierarchy;  a condition of regular or proper arrangement;  verb place in a certain order;  bring order to or into; make a request for something;  give instructions to or direct somebody to do something with authority;  issue commands or orders for;  assign a rank or rating to;  arrange thoughts, ideas, temporal events;  appoint to a clerical posts;  bring into conformity with rules or principles or usage; impose regulations
  • ordered - adj. having a systematic arrangement; especially having elements succeeding in order according to rule;  marked by system or regularity or discipline;  marked by an orderly, logical, and aesthetically consistent relation of parts;  disposed or placed in a particular kind of order
  • ordering - noun logical or comprehensible arrangement of separate elements;  the act of putting things in a sequential arrangement
  • orderly - adj. devoid of violence or disruption;  not haphazard; marked by or adhering to method or system;  marked by an orderly, logical, and aesthetically consistent relation of parts;  marked by system or regularity or discipline;  according to custom or rule or natural law;  noun a male hospital attendant who has general duties that do not involve the medical treatment of patients;  a soldier who serves as an attendant to a superior officer
  • ordinance - noun a statute enacted by a city government;  the act of ordaining; the act of conferring (or receiving) holy orders;  an authoritative rule
  • ordinarily - adv. under normal conditions
  • ordinary - adj. not exceptional in any way especially in quality or ability or size or degree;  lacking special distinction, rank, or status; commonly encountered;  noun (heraldry) any of several conventional figures used on shields;  an early bicycle with a very large front wheel and small back wheel;  a judge of a probate court;  a clergyman appointed to prepare condemned prisoners for death;  the expected or commonplace condition or situation
  • ordinate - noun the value of a coordinate on the vertical axis;  verbbring (components or parts) into proper or desirable coordination correlation;  appoint to a clerical posts
  • ordination - noun the act of ordaining; the act of conferring (or receiving) holy orders;  the status of being ordained to a sacred office;  logical or comprehensible arrangement of separate elements
  • organ - noun wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard;  a fully differentiated structural and functional unit in an animal that is specialized for some particular function;  a periodical that is published by a special interest group;  a government agency or instrument devoted to the performance of some specific function; (music) an electronic simulation of a pipe organ;  a free-reed instrument in which air is forced through the reeds by bellows
  • organic - adj. involving or affecting physiology or bodily organs; simple and healthful and close to nature;  relating or belonging to the class of chemical compounds having a carbon basis;  being or relating to or derived from or having properties characteristic of living organisms;  of or relating to foodstuff grown or raised without synthetic fertilizers or pesticides or hormones;  of or relating to or derived from living organisms;  constitutional in the structure of something (especially your physical makeup);  noun a fertilizer that is derived from animal or vegetable matter
  • organically - adv. involving carbon compounds;  as an important constituent;  in an organic manner
  • organism - noun a living thing that has (or can develop) the ability to act or function independently;  a system considered analogous in structure or function to a living body
  • organization - noun the activity or result of distributing or disposing persons or things properly or methodically;  the act of organizing a business or an activity related to a business;  an ordered manner; orderliness by virtue of being methodical and well organized;  a group of people who work together;  the act of forming something;  an organized structure for arranging or classifying;  the persons (or committees or departments etc.) who make up a body for the purpose of administering something
  • organize - verb bring order and organization to;  arrange by systematic planning and united effort;  cause to be structured or ordered or operating according to some principle or idea;  plan and direct (a complex undertaking);  form or join a union;  create (as an entity)
  • organized - adj. methodical and efficient in arrangement or function; formed into a structured or coherent whole;  being a member of or formed into a labor union
  • organs - noun edible viscera of a butchered animal
  • orgasm - noun the moment of most intense pleasure in sexual intercourse
  • oriental - adj. denoting or characteristic of the biogeographic region including southern Asia and the Malay Archipelago as far as the Philippines and Borneo and Java;  noun a member of an Oriental race; the term is regarded as offensive by Asians (especially by Asian Americans)
  • orifice - noun an aperture or hole that opens into a bodily cavity
  • origanum - noun any of various fragrant aromatic herbs of the genus Origanum used as seasonings
  • origin - noun properties attributable to your ancestry;  the point of intersection of coordinate axes; where the values of the coordinates are all zero;  an event that is a beginning; a first part or stage of subsequent events;  the descendants of one individual;  the place where something begins, where it springs into being
  • original - adj. not derived or copied or translated from something else;  preceding all others in time or being as first made or performed;  being or productive of something fresh and unusual; or being as first made or thought of;  (of e.g. information) not secondhand or by way of something intermediary;  noun an original model on which something is patterned;  an original creation (i.e., an audio recording) from which copies can be made
  • originally - adv. in an original manner;  before now;  with reference to the origin or beginning
  • originate - verb bring into being;  come into existence; take on form or shape;  begin a trip at a certain point, as of a plane, train, bus, etc.
  • originator - noun someone who creates new things
  • orleans - noun a long siege by the English was relieved by Joan of Arc in 1429;  a city on the Loire river in north central France; site of the siege of Orleans by the English (1428-1429)
  • orphan - adj. deprived of parents by death or desertion;  noun a young animal without a mother;  the first line of a paragraph that is set as the last line of a page or column;  a child who has lost both parents;  someone or something who lacks support or care or supervision;  verb deprive of parents
  • orris - noun fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines;  German iris having large white flowers with lavender-tinged falls and a fragrant rhizome
  • orthopedic - adj. of or relating to or employed in orthopedics
  • orthopedics - noun the branch of medical science concerned with disorders or deformities of the spine and joints
  • orthophosphate - noun a salt of phosphoric acid
  • orthopnea - noun form of dyspnea in which the person can breathe comfortably only when standing or sitting erect; associated with asthma and emphysema and angina pectoris
  • os - noun a mouth or mouthlike opening;  rigid connective tissue that makes up the skeleton of vertebrates;  the left eye;  (computer science) software that controls the execution of computer programs and may provide various services;  a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
  • osborne - noun English playwright (1929-1994)
  • oscillation - noun (physics) a regular periodic variation in value about a mean;  the process of oscillating between states;  a single complete execution of a periodically repeated phenomenon
  • osier - noun any of various willows having pliable twigs used in basketry and furniture;  flexible twig of a willow tree
  • osmium - noun a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
  • osmosis - noun diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
  • osmotic - adj. of or relating to osmosis
  • osseous - adj. composed of or containing bone
  • ossicular - adj. pertaining to the ossicles in the middle ear
  • ossification - noun hardened conventionality;  the developmental process of bone formation;  the process of becoming rigidly fixed in a conventional pattern of thought or behavior;  the calcification of soft tissue into a bonelike material
  • ossified - adj. changed into bone; hardened by deposits of mineral matter;  set in a rigidly conventional pattern of behavior, habits, or beliefs
  • ossify - verb become bony;  cause to become hard and bony;  make rigid and set into a conventional pattern
  • osteal - adj. relating to bone or to the skeleton;  composed of or containing bone
  • osteitis - noun inflammation of a bone as a consequence of infection or trauma or degeneration
  • osteoarthritis - noun chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age
  • osteoclasis - noun treatment of a skeletal deformity by intentionally fracturing a bone
  • osteoclast - noun cell that functions in the breakdown and resorption of bone tissue
  • osteoma - noun a slow growing benign tumor of consisting of bone tissue; usually on the skull or mandible
  • osteomalacia - noun abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D
  • osteomyelitis - noun an inflammation of bone and bone marrow (usually caused by bacterial infection)
  • osteosarcoma - noun malignant bone tumor; most common in children and young adults where it tends to affect the femur
  • osteotomy - noun surgical sectioning of bone
  • other - adj. very unusual; different in character or quality from the normal or expected;  recently past;  not the same one or ones already mentioned or implied;  belonging to the distant past
  • otherwise - adj. other than as supposed or expected;  adv. in other respects or ways;  in another and different manner
  • otis - noun type genus of the Otididae: European bustard;  United States inventor who manufactured the first elevator with a safety device (1811-1861)
  • otitis - noun inflammation of the ear
  • otology - noun the branch of medicine concerned with the ear
  • otorrhea - noun discharge from the external ear
  • otoscope - noun medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
  • ounce - noun a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams;  a unit of apothecary weight equal to 480 grains or one twelfth of a pound;  large feline of upland central Asia having long thick whitish fur
  • out - adj. outer or outlying;  outside or external;  no longer fashionable;  directed outward or serving to direct something outward;  not worth considering as a possibility;  not allowed to continue to bat or run;  out of power; especially having been unsuccessful in an election;  being out or having grown cold; knocked unconscious by a heavy blow;  excluded from use or mention;  adv. away from home;  from one's possession;  noun(baseball) a failure by a batter or runner to reach a base safely in baseball;  verb be made known; be disclosed or revealed;  reveal (something) about somebody's identity or lifestyle;  to state openly and publicly one's homosexuality
  • out-of-door - adj. located, suited for, or taking place in the open air
  • out-of-doors - noun where the air is unconfined
  • outbreak - noun a sudden violent spontaneous occurrence (usually of some undesirable condition)
  • outburst - noun a sudden violent disturbance;  a sudden violent happening;  an unrestrained expression of emotion
  • outcome - noun something that results;  a phenomenon that follows and is caused by some previous phenomenon
  • outdoor - adj. located, suited for, or taking place in the open air; pertaining to or concerning the outdoors or outdoor activities
  • outer - adj. being on or toward the outside of the body;  being on the outside or further from a center;  located outside
  • outermost - adj. situated at the farthest possible point from a center
  • outfall - noun the outlet of a river or drain or other source of water
  • outfit - noun a set of clothing (with accessories);  any cohesive unit such as a military company;  gear consisting of a set of articles or tools for a specified purpose;  verb provide with (something) usually for a specific purpose
  • outflow - noun the process of flowing out;  the unwanted discharge of a fluid from some container;  a natural flow of ground water
  • outgrow - verb grow too large or too mature for;  grow faster than
  • outgrowth - noun a natural consequence of development;  a natural prolongation or projection from a part of an organism either animal or plant;  the gradual beginning or coming forth
  • outing - noun a journey taken for pleasure;  a day devoted to an outdoor social gathering
  • outlast - verb live longer than
  • outlet - noun activity that frees or expresses creative energy or emotion;  an opening that permits escape or release;  a place of business for retailing goods;  receptacle providing a place in a wiring system where current can be taken to run electrical devices
  • outline - noun a schematic or preliminary plan;  a sketchy summary of the main points of an argument or theory;  the line that appears to bound an object;  verb describe roughly or briefly or give the main points or summary of;  trace the shape of;  draw up an outline or sketch for something
  • outlined - adj. showing clearly the outline or profile or boundary
  • outlook - noun the act of looking out;  belief about (or mental picture of) the future;  a habitual or characteristic mental attitude that determines how you will interpret and respond to situations
  • outlying - adj. relatively far from a center or middle
  • outpatient - noun a patient who does not reside in the hospital where he is being treated
  • output - noun production of a certain amount;  what is produced in a given time period;  the quantity of something (as a commodity) that is created (usually within a given period of time);  final product; the things produced;  signal that comes out of an electronic system;  verbto create or manufacture a specific amount
  • outset - noun the time at which something is supposed to begin
  • outside - adj. originating or belonging beyond some bounds:"the outside world";  on or toward an outer edge;  leading to or from the outside;  functioning outside the boundaries or precincts of an organized unit;  very unlikely;  relating to or being on or near the outer side or limit;  (of a baseball pitch) on the far side of home plate from the batter;  from or between other countries;  coming from the outside;  located, suited for, or taking place in the open air;  adv.outside a building;  on the outside;  noun the outer side or surface of something;  the region that is outside of something
  • outstretched - adj. fully extended especially in length
  • outward - adj. relating to physical reality rather than with thoughts or the mind;  that is going out or leaving;  adv. toward the outside
  • outwardly - adv. in outward appearance;  with respect to the outside
  • outwards - adv. toward the outside
  • outweigh - verb be heavier than;  weigh more heavily
  • ov - noun a terrorist group of Protestants who oppose any political settlement with Irish nationalists; a paramilitary group that attacks Catholic interests in Northern Ireland
  • oval - adj. rounded like an egg;  noun a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
  • oval-shaped - adj. rounded like an egg
  • ovarian - adj. of or involving the ovaries
  • ovaritis - noun inflammation of the ovaries
  • ovary - noun (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone;  the organ that bears the ovules of a flower
  • oven - noun kitchen appliance used for baking or roasting
  • over - adj. having come or been brought to a conclusion;  adv.throughout a period of time;  at or to a point across intervening space etc.;  throughout an area;  beyond the top or upper surface or edge; forward from an upright position;  over the entire area;  noun (cricket) the period during which a given number of balls (6 in England but 8 in Australia) are bowled at the batsman by one player from the other team from the same end of the pitch
  • overabundance - noun a quantity that is more than what is appropriate;  the state of being more than full
  • overacting - noun poor acting by a ham actor
  • overactive - adj. more active than normal
  • overactivity - noun excessive activity
  • overcoat - noun an additional protective coating (as of paint or varnish);  a heavy coat worn over clothes in winter
  • overcome - verb get on top of; deal with successfully;  overcome, usually through no fault or weakness of the person that is overcome; win a victory over;  overcome, as with emotions or perceptual stimuli
  • overdone - adj. cooked too long but still edible;  represented as greater than is true or reasonable
  • overdose - verb dose too heavily
  • overeat - verb overeat or eat immodestly; make a pig of oneself
  • overeating - noun eating to excess (personified as one of the deadly sins)
  • overexertion - noun excessive exertion; so much exertion that discomfort or injury results
  • overfeed - verb feed excessively
  • overfeeding - noun excessive feeding
  • overflow - noun the occurrence of surplus liquid (as water) exceeding the limit or capacity;  a large flow;  verb flow or run over (a limit or brim);  overflow with a certain feeling
  • overgrowth - noun a profusion of growth on or over something else; excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland
  • overhand - adj. sewn together with overhand stitches (close vertical stitches that pass over and draw the two edges together);  with hand brought forward and down from above shoulder level
  • overheated - adj. heated beyond a safe or desirable point
  • overheating - noun excessive heating
  • overindulgence - noun excessive indulgence
  • overlap - noun the property of partial coincidence in time;  a representation of common ground between theories or phenomena; a flap that lies over another part;  verb coincide partially or wholly; extend over and cover a part of
  • overlapping - adj. related by having something in common with or coinciding with;  laid overlapping (not flush);  noun covering with a design in which one element covers a part of another (as with tiles or shingles)
  • overlay - noun protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior; verb put something on top of something else;  kill by lying on
  • overloaded - adj. loaded past capacity
  • overlook - noun a high place affording a good view;  verb watch over;  look past, fail to notice;  leave undone or leave out;  look down on;  be oriented in a certain direction
  • overlooked - adj. not taken into account
  • overlooking - adj. used of a height or viewpoint
  • overlying - adj. placed on or over something else
  • overnight - adj. lasting, open, or operating through the whole night; adv. happening in a short time or with great speed
  • overpowering - adj. so strong as to be irresistible
  • override - noun a manually operated device to correct the operation of an automatic device;  the act of nullifying; making null and void; counteracting or overriding the effect or force of something;  verb ride (a horse) too hard;  counteract the normal operation of (an automatic gear shift in a vehicle);  prevail over;  rule against
  • overriding - adj. having superior power and influence
  • overripe - adj. too ripe and beginning to turn soft
  • oversized - adj. larger than normal for its kind
  • overstep - verb pass beyond (limits or boundaries);  go beyond
  • overstrain - noun too much strain;  verb strain excessively
  • oversupply - noun the quality of being so overabundant that prices fall;  verb supply with an excess of
  • overuse - noun exploitation to the point of diminishing returns;  verbmake use of too often or too extensively
  • overwhelming - adj. very intense;  so strong as to be irresistible
  • overwork - noun the act of working too much or too long;  verb use too much;  work excessively hard
  • oviedo - noun a city in northwestern Spain near the Cantabrian Mountains
  • oviform - adj. rounded like an egg
  • ovis - noun sheep
  • ovoid - adj. rounded like an egg;  noun an egg-shaped object
  • ovular - adj. of or relating to an ovum;  being or of the nature of an ovule
  • ovulation - noun the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)
  • ovum - noun the female reproductive cell; the female gamete
  • owe - verb be in debt;  be obliged to pay or repay;  be indebted to, in an abstract or intellectual sense
  • owed - adj. owed and payable immediately or on demand;  owed as a debt
  • owing - adj. owed as a debt;  owed as a debt
  • own - adj. belonging to or on behalf of a specified person (especially yourself); preceded by a possessive;  verb have ownership or possession of
  • owner - noun (law) someone who owns (is legal possessor of) a business;  a person who owns something
  • ox - noun any of various wild bovines especially of the genera Bos or closely related Bibos;  an adult castrated bull of the genus Bos; especially Bos taurus
  • oxalate - noun a salt or ester of oxalic acid
  • oxen - noun domesticated bovine animals as a group regardless of sex or age
  • oxford - noun a low shoe laced over the instep;  a city in southern England northwest of London; site of Oxford University;  a university town in northern Mississippi; home of William Faulkner;  a university in England
  • oxidation - noun the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
  • oxidizable - adj. capable of undergoing a chemical reaction with oxygen
  • oxidization - noun the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
  • oxidize - verb add oxygen to or combine with oxygen;  enter into a combination with oxygen or become converted into an oxide
  • oxidized - adj. combined with or having undergone a chemical reaction with oxygen
  • oxidizer - noun a substance that oxidizes another substance
  • oxyacid - noun any acid that contains oxygen
  • oxygen - noun a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
  • oxygenate - verb impregnate, combine, or supply with oxygen
  • oxygenation - noun the process of providing or combining or treating with oxygen
  • oxyhemoglobin - noun the bright red hemoglobin that is a combination of hemoglobin and oxygen from the lungs
  • oyster - noun marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters;  a small muscle on each side of the back of a fowl;  edible body of any of numerous oysters; verb gather oysters, dig oysters
  • oyster plant - noun long white salsify;  Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States;  edible root of the salsify plant
  • ozena - noun a chronic disease of the nose characterized by a foul-smelling nasal discharge and atrophy of nasal structures
  • ozone - noun a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)
  • p - noun the 16th letter of the Roman alphabet;  a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
  • pa - noun an electronic amplification system used as a communication system in public areas;  a Mid-Atlantic state; one of the original 13 colonies;  an informal term for a father; probably derived from baby talk;  a unit of pressure equal to one newton per square meter;  a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
  • pabulum - noun insipid intellectual nourishment;  any substance that can be used as food
  • pace - noun a step in walking or running;  the relative speed of progress or change;  the rate of moving (especially walking or running);  a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride;  the distance covered by a step;  the rate of some repeating event;  verbmeasure (distances) by pacing;  regulate or set the pace of;  walk with slow or fast paces;  go at a pace
  • pacific - adj. promoting peace;  disposed to peace or of a peaceful nature;  relating to or bordering the Pacific Ocean;  noun the largest ocean in the world
  • pack - noun a convenient package or parcel (as of cigarettes or film);  a bundle (especially one carried on the back);  a sheet or blanket (either dry or wet) to wrap around the body for its therapeutic effect;  a cream that cleanses and tones the skin;  a complete collection of similar things;  a group of hunting animals;  an exclusive circle of people with a common purpose;  an association of criminals; a large indefinite number;  verb treat the body or any part of it by wrapping it, as with blankets or sheets, and applying compresses to it, or stuffing it to provide cover, containment, or therapy, or to absorb blood;  carry, as on one's back;  arrange in a container;  load with a pack;  compress into a wad;  seal with packing;  fill to capacity; set up a committee or legislative body with one's own supporters so as to influence the outcome;  have the property of being packable or of compacting easily;  press down tightly;  hike with a backpack; press tightly together or cram;  have with oneself; have on one's person
  • package - noun a wrapped container;  a collection of things wrapped or boxed together;  (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory;  verb put into a box
  • packed - adj. pressed together or compressed;  filled to capacity
  • packer - noun a workman employed to pack things into containers; a hiker who wears a backpack;  a wholesaler in the meat-packing business
  • packing - noun carrying something in a pack on the back;  the enclosure of something in a package or box;  any material used especially to protect something
  • pad - noun the foot or fleshy cushion-like underside of the toes of an animal;  a usually thin flat mass of padding;  a block of absorbent material saturated with ink; used to transfer ink evenly to a rubber stamp;  the large floating leaf of an aquatic plant (as the water lily);  a number of sheets of paper fastened together along one edge; temporary living quarters;  a platform from which rockets or space craft are launched;  verb add padding to;  line or stuff with soft material;  add details to;  walk heavily and firmly, as when weary, or through mud
  • padded - adj. softened by the addition of cushions or padding
  • padding - noun artifact consisting of soft or resilient material used to fill or give shape or protect or add comfort
  • padrone - noun an employer who exploits Italian immigrants in the U.S.;  an owner or proprietor of an inn in Italy
  • page - noun one side of one leaf (of a book or magazine or newspaper or letter etc.) or the written or pictorial matter it contains; in medieval times a youth acting as a knight's attendant as the first stage in training for knighthood;  a youthful attendant at official functions or ceremonies such as legislative functions and weddings; a boy who is employed to run errands;  United States diplomat and writer about the Old South (1853-1922);  English industrialist who pioneered in the design and manufacture of aircraft (1885-1962); verb call out somebody's name over a P.A. system;  work as a page; number the pages of a book or manuscript
  • paget - noun English pathologist who discovered the cause of trichinosis (1814-1899)
  • paid - adj. marked by the reception of pay;  involving gainful employment in something often done as a hobby;  yielding a fair profit
  • pail - noun the quantity contained in a pail;  a roughly cylindrical vessel that is open at the top
  • pailful - noun the quantity contained in a pail
  • pain - noun a somatic sensation of acute discomfort;  emotional distress; a fundamental feeling that people try to avoid;  a bothersome annoying person;  a symptom of some physical hurt or disorder;  something or someone that causes trouble; a source of unhappiness;  verb cause emotional anguish or make miserable; cause bodily suffering to and make sick or indisposed
  • painful - adj. causing physical or psychological pain;  causing physical discomfort;  exceptionally bad or displeasing;  causing misery or pain or distress
  • painfully - adv. unpleasantly;  in or as if in pain
  • painless - adj. requiring little hard work or exertion;  not causing physical or psychological pain
  • painlessly - adv. without pain
  • pains - noun an effortful attempt to attain a goal
  • painstaking - adj. characterized by extreme care and great effort
  • paint - noun a substance used as a coating to protect or decorate a surface (especially a mixture of pigment suspended in a liquid); dries to form a hard coating;  makeup consisting of a pink or red powder applied to the cheeks;  (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court;  verb apply paint to; coat with paint;  apply a liquid to; e.g., paint the gutters with linseed oil; make a painting of;  make a painting
  • painted - adj. lacking substance or vitality as if produced by painting;  coated with paint;  having makeup applied;  having sections or patches colored differently and usually brightly
  • painting - noun the occupation of a house painter;  the act of applying paint to a surface;  creating a picture with paints;  graphic art consisting of an artistic composition made by applying paints to a surface
  • pair - noun a poker hand with 2 cards of the same value;  two people considered as a unit;  a set of two similar things considered as a unit; two items of the same kind;  verb arrange in pairs;  occur in pairs; form a pair or pairs;  bring two objects, ideas, or people together; make love
  • paired - adj. mated sexually;  used of gloves, socks, etc.;  of leaves etc; growing in pairs on either side of a stem
  • pal - noun a close friend who accompanies his buddies in their activities;  verb become friends; act friendly towards
  • palatable - adj. acceptable to the taste or mind
  • palatal - adj. produced with the front of the tongue near or touching the hard palate (as `y') or with the blade of the tongue near the hard palate (as `ch' in `chin' or `j' in `gin');  relating to or lying near the palate;  noun a semivowel produced with the tongue near the palate (like the initial sound in the English word `yeast')
  • palate - noun the upper surface of the mouth that separates the oral and nasal cavities
  • palatine - adj. of or relating to a palace;  of or relating to a count palatine and his royal prerogatives;  relating to or lying near the palate;  noun either of two irregularly shaped bones that form the back of the hard palate and helps to form the nasal cavity and the floor of the orbits;  the most important of the Seven Hills of Rome; supposedly the location of the first settlement and the site of many imperial palaces;  (Middle Ages) the lord of a palatinate who exercised sovereign powers over his lands;  any of various important officials in ancient Rome
  • pale - adj. abnormally deficient in color as suggesting physical or emotional distress;  lacking in vitality or interest or effectiveness;  very light colored; highly diluted with white;  not full or rich;  (of light) lacking in intensity or brightness; dim or feeble;  noun a wooden strip forming part of a fence;  verb turn pale, as if in fear
  • pale-faced - adj. having a pale face
  • paleness - noun being deficient in color;  the property of having a naturally light complexion;  unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
  • pali - noun an ancient Prakrit language (derived from Sanskrit) that is the scriptural and liturgical language of Theravada Buddhism
  • paling - noun a fence made of upright pickets
  • palladium - noun a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
  • palliate - verb provide physical relief, as from pain;  lessen or to try to lessen the seriousness or extent of
  • palliation - noun easing the severity of a pain or a disease without removing the cause;  to act in such a way as to cause an offense to seem less serious
  • palliative - adj. moderating pain or sorrow by making it easier to bear;  noun remedy that alleviates pain without curing
  • pallid - adj. abnormally deficient in color as suggesting physical or emotional distress;  lacking in vitality or interest or effectiveness;  (of light) lacking in intensity or brightness; dim or feeble
  • pallidum - noun the inner pale yellow part of the lenticular nucleus
  • pallor - noun unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
  • pally - adj. (used colloquially) having the relationship of friends or pals
  • palm - noun the inner surface of the hand from the wrist to the base of the fingers;  any plant of the family Palmae having an unbranched trunk crowned by large pinnate or palmate leaves;  a linear unit based on the length or width of the human hand;  an award for winning a championship or commemorating some other event;  verbtouch, lift, or hold with the hands
  • palmar - adj. relating to the palm of the hand or the sole of the foot
  • palmer - noun United States golfer (born in 1929)
  • palpable - adj. capable of being perceived by the senses or the mind; especially capable of being handled or touched or felt;  can be felt by palpation
  • palpably - adv. so as to be palpable
  • palpation - noun a method of examination in which the examiner feels the size or shape or firmness or location of something (of body parts when the examiner is a health professional)
  • palpitation - noun a rapid and irregular heart beat;  a shaky motion
  • palsied - adj. affected with palsy or uncontrollable tremor
  • palsy - noun a condition marked by uncontrollable tremor;  loss of the ability to move a body part;  verb affect with palsy
  • pan - noun chimpanzees; more closely related to Australopithecus than to other pongids;  shallow container made of metal;  cooking utensil consisting of a wide metal vessel;  (Greek mythology) god of fields and woods and shepherds and flocks; represented as a man with goat's legs and horns and ears; identified with Roman Sylvanus or Faunus;  verb express a totally negative opinion of;  wash dirt in a pan to separate out the precious minerals;  make a sweeping movement
  • panacea - noun hypothetical remedy for all ills or diseases; once sought by the alchemists;  (Greek mythology) the goddess of healing; daughter of Aesculapius and sister of Hygeia
  • panama - noun a republic on the Isthmus of Panama; achieved independence from Colombia in 1903;  a stiff hat made of straw with a flat crown
  • pancreas - noun a large elongated exocrine gland located behind the stomach; secretes pancreatic juice and insulin
  • pancreatic - adj. of or involving the pancreas
  • pancreatin - noun extract from the pancreas of animals that contains pancreatic enzymes; used to treat pancreatitis and other conditions involving insufficient pancreatic secretions
  • pancreatitis - noun inflammation of the pancreas; usually marked by abdominal pain
  • papain - noun a proteolytic enzyme obtained from the unripe papaya; used as a meat tenderizer
  • papaver - noun type genus of the Papaveraceae; chiefly bristly hairy herbs with usually showy flowers
  • papaw - noun fruit with yellow flesh; related to custard apples;  small tree native to the eastern United States having oblong leaves and fleshy fruit
  • papaya - noun large oval melon-like tropical fruit with yellowish flesh;  tropical American shrub or small tree having huge deeply palmately cleft leaves and large oblong yellow fruit
  • paper - noun medium for written communication;  a scholarly article describing the results of observations or stating hypotheses;  a material made of cellulose pulp derived mainly from wood or rags or certain grasses;  the physical object that is the product of a newspaper publisher;  a daily or weekly publication on folded sheets; contains news and articles and advertisements;  an essay (especially one written as an assignment);  a business firm that publishes newspapers;  verb cover with paper;  cover with wallpaper
  • papers - noun writing that provides information (especially information of an official nature)
  • papilla - noun a small projection of tissue at the base of a hair or tooth or feather;  a small nipple-shaped protuberance concerned with taste, touch, or smell;  (botany) a tiny outgrowth on the surface of a petal or leaf
  • papillary - adj. of or relating to or resembling papilla
  • papilloma - noun a benign epithelial tumor forming a rounded mass
  • paprika - noun a mild powdered seasoning made from dried pimientos;  plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers
  • papule - noun a small inflamed elevation of skin that is nonsuppurative (as in chicken pox)
  • par - noun (golf) the standard number of strokes set for each hole on a golf course, or for the entire course;  a state of being essentially equal or equivalent; equally balanced;  verb make a score (on a hole) equal to par
  • para - noun an estuary in northern Brazil into which the Tocantins River flows;  100 para equal 1 dinar in Yugoslavia;  port city in northern Brazil in the Amazon delta; main port and commercial center for the Amazon River basin;  a soldier in the paratroops; (obstetrics) the number of liveborn children a woman has delivered
  • parabolic - adj. having the form of a parabola;  resembling or expressed by parables
  • paracentesis - noun centesis of the belly to remove fluid for diagnosis
  • paradox - noun (logic) a statement that contradicts itself
  • paraffin - noun (British usage) kerosine;  from crude petroleum; used for candles and for preservative or waterproof coatings;  a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
  • paragraph - noun one of several distinct subdivisions of a text intended to separate ideas; the beginning is usually marked by a new indented line;  verb write paragraphs; work as a paragrapher; write about in a paragraph;  divide into paragraphs, as of text
  • parallax - noun the apparent displacement of an object as seen from two different points that are not on a line with the object
  • parallel - adj. being everywhere equidistant and not intersecting;  of or relating to the simultaneous performance of multiple operations; noun something having the property of being analogous to something else;  an imaginary line around the Earth parallel to the equator;  verb make or place parallel to something;  be parallel to; duplicate or match
  • parallelism - noun similarity by virtue of corresponding
  • paralysis - noun loss of the ability to move a body part
  • paralytic - adj. affected or subject to with paralysis;  relating to or of the nature of paralysis;  noun a person suffering from paralysis
  • paralyze - verb cause to be paralyzed and immobile;  make powerless and unable to function
  • paralyzed - adj. affected or subject to with paralysis
  • parametric - adj. of or relating to or in terms of a parameter
  • paramount - adj. having superior power and influence
  • paranoia - noun a psychological disorder characterized by delusions of persecution or grandeur
  • paranoid - adj. suffering from paranoia;  noun a person afflicted with paranoia
  • paraplegia - noun paralysis of the lower half of the body (most often as a result of trauma)
  • paraplegic - adj. suffering complete paralysis of the lower half of the body usually resulting from damage to the spinal cord;  noun a person who has paraplegia (is paralyzed from the waist down)
  • parasite - noun an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host;  a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
  • parasitic - adj. of plants or persons; having the nature or habits of a parasite or leech; living off another;  relating to or caused by parasites;  of or pertaining to epenthesis
  • parasitism - noun the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
  • paratyphoid - noun any of a variety of infectious intestinal diseases resembling typhoid fever
  • parched - adj. toasted or roasted slightly;  dried out by heat or excessive exposure to sunlight
  • parchment - noun skin of a sheep or goat prepared for writing on;  a superior paper resembling sheepskin
  • paregoric - noun medicine used to treat diarrhea
  • parenchyma - noun animal tissue that constitutes the essential part of an organ as contrasted with e.g. connective tissue and blood vessels;  the primary tissue of higher plants composed of thin-walled cells that remain capable of cell division even when mature; constitutes the greater part of leaves, roots, the pulp of fruits, and the pith of stems
  • parent - noun a father or mother; one who begets or one who gives birth to or nurtures and raises a child; a relative who plays the role of guardian;  verb bring up
  • parentage - noun the kinship relation of an offspring to the parents; the descendants of one individual;  the state of being a parent
  • parental - adj. relating to or characteristic of or befitting a parent; designating the generation of organisms from which hybrid offspring are produced
  • paresis - noun a slight or partial paralysis
  • paresthesia - noun abnormal skin sensations (as tingling or tickling or itching or burning) usually associated with peripheral nerve damage
  • paretic - noun a person afflicted with paresis (partial paralysis)
  • parietal - adj. of or relating to or associated with the parietal bones in the cranium
  • paring - noun (usually plural) a part of a fruit or vegetable that is pared or cut off; especially the skin or peel;  a thin fragment or slice (especially of wood) that has been shaved from something
  • paris - noun the capital and largest city of France; and international center of culture and commerce;  a town in northeastern Texas; (Greek mythology) the prince of Troy who abducted Helen from her husband Menelaus and provoked the Trojan War;  sometimes placed in subfamily Trilliaceae
  • paris green - noun a toxic double salt of copper arsenate and copper acetate;  a shade of green tinged with yellow
  • park - noun a gear position that acts as a parking brake;  a large area of land preserved in its natural state as public property;  a piece of open land for recreational use in an urban area;  Scottish explorer in Africa (1771-1806);  a facility in which ball games are played (especially baseball games);  a lot where cars are parked;  verb place temporarily;  maneuver a vehicle into a parking space
  • parker - noun United States writer noted for her sharp wit (1893-1967);  United States saxophonist and leader of the bop style of jazz (1920-1955)
  • parliament - noun a legislative assembly in certain countries;  a card game in which you play your sevens and other cards in sequence in the same suit as the sevens; you win if you are the first to use all your cards
  • paronychia - noun low-growing annual or perennial herbs or woody plants; whitlowworts;  infection in the tissues adjacent to a nail on a finger or toe
  • parotid - adj. relating to or located near the parotid gland
  • parotitis - noun inflammation of one or both parotid glands
  • parous - adj. having given birth to one or more viable children
  • paroxysm - noun a sudden uncontrollable attack
  • paroxysmal - adj. accompanied by or of the nature of paroxysms
  • parrot - noun usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds;  a copycat who does not understand the words or acts being imitated;  verb repeat mindlessly
  • parsley - noun aromatic herb with flat or crinkly leaves that are cut finely and used to garnish food;  annual or perennial herb with aromatic leaves
  • part - adv. in part; in some degree; not wholly;  noun something less than the whole of a human artifact;  a line of scalp that can be seen when sections of hair are combed in opposite directions;  in so far as the actor specified is concerned;  one of the portions into which something is regarded as divided and which together constitute a whole;  the melody carried by a particular voice or instrument in polyphonic music;  a portion of a natural object;  something determined in relation to something that includes it;  the actions and activities assigned to or required or expected of a person or group; any one of a number of individual efforts in a common endeavor;  an actor's portrayal of someone in a play;  the extended spatial location of something;  assets belonging to or due to or contributed by an individual person or group;  verb force, take, or pull apart;  come apart;  leave;  go one's own way; move apart;  discontinue an association or relation; go different ways
  • partake - verb consume;  have, give, or receive a share of;  have some of the qualities or attributes of something
  • partial - adj. being or affecting only a part; not total;  showing favoritism;  (followed by `of' or `to') having a strong preference or liking for;  noun a harmonic with a frequency that is a multiple of the fundamental frequency;  the derivative of a function of two or more variables with respect to a single variable while the other variables are considered to be constant
  • partiality - noun an inclination to favor one group or view or opinion over alternatives;  a predisposition to like something
  • partially - adv. in part; in some degree; not wholly
  • participate - verb share in something;  become a participant; be involved in
  • participating - adj. taking part in an activity
  • participation - noun the condition of sharing in common with others (as fellows or partners etc.);  the act of sharing in the activities of a group
  • particle - noun a function word that can be used in English to form phrasal verbs;  a body having finite mass and internal structure but negligible dimensions;  (nontechnical usage) a tiny piece of anything
  • particular - adj. providing specific details or circumstances;  unique or specific to a person or thing or category;  separate and distinct from others of the same group or category;  first and most important; surpassing what is common or usual or expected;  exacting especially about details;  noun a fact about some part (as opposed to general);  (logic) a proposition that asserts something about some (but not all) members of a class;  a small part that can be considered separately from the whole
  • particularly - adv. to a distinctly greater extent or degree than is common;  specifically or especially distinguished from others; uniquely or characteristically
  • partition - noun a vertical structure that divides or separates (as a wall divides one room from another);  (computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit;  the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart;  verb separate or apportion into sections;  divide into parts, pieces, or sections
  • partizan - adj. devoted to a cause or party;  noun a pike with a long tapering double-edged blade with lateral projections; 16th and 17th centuries;  an ardent and enthusiastic supporter of some person or activity
  • partly - adv. in part; in some degree; not wholly
  • partnership - noun a contract between two or more persons who agree to pool talent and money and share profits or losses;  the members of a business venture created by contract;  a cooperative relationship between people or groups who agree to share responsibility for achieving some specific goal
  • parts - noun the local environment
  • parturient - adj. giving birth;  of or relating to or giving birth
  • parturition - noun the process of giving birth
  • party - noun an occasion on which people can assemble for social interaction and entertainment;  a group of people gathered together for pleasure;  an organization to gain political power;  a band of people associated temporarily in some activity;  a person involved in legal proceedings;  verb have or participate in a party
  • pas - noun (ballet) a step in dancing (especially in classical ballet)
  • pass - adj. of advancing the ball by throwing it;  noun (sports) the act of throwing the ball to another member of your team;  a flight or run by an aircraft over a target;  (American football) a play that involves one player throwing the ball to a teammate;  a complementary (free) ticket;  a permit to enter or leave a military installation;  a document indicating permission to do something without restrictions;  any authorization to pass or go somewhere;  one complete cycle of operations (as by a computer);  a difficult juncture;  the location in a range of mountains of a geological formation that is lower than the surrounding peaks;  a bad or difficult situation or state of affairs; (military) a written leave of absence;  success in satisfying a test or requirement;  (baseball) an advance to first base by a batter who receives four balls;  a usually brief attempt;  you advance to the next round in a tournament without playing an opponent;  verb travel past; go across or through;  cause to pass;  transfer to another; of rights or property;  place into the hands or custody of;  throw (a ball) to another player;  allow to go without comment or censure;  go unchallenged; be approved;  accept or judge as acceptable;  go successfully through a test or a selection process;  be identified, regarded, accepted, or mistaken for someone or something else; as by denying one's own ancestry or background;  eliminate from the body; come to pass;  pass from physical life and lose all bodily attributes and functions necessary to sustain life;  disappear gradually;  transmit information;  grant authorization or clearance for;  guide or pass over something;  pass into a specified state or condition;  pass by;  pass by;  be inherited by;  make laws, bills, etc. or bring into effect by legislation;  go beyond;  stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point; pass (time) in a specific way
  • passage - noun the act of passing from one state or place to the next;  a journey usually by ship;  the act of passing something to another person;  a bodily reaction of changing from one place or stage to another;  a way through or along which someone or something may pass;  a path or channel or duct through or along which something may pass;  a section of text; particularly a section of medium length;  a short section of a musical composition;  the passing of a law by a legislative body;  the motion of one object relative to another
  • passenger - noun a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it
  • passiflora - noun type genus of the Passifloraceae
  • passing - adj. of advancing the ball by throwing it;  allowing you to pass (e.g., an examination or inspection) satisfactorily;  hasty and without attention to detail; not thorough;  lasting a very short time; adv. to an extreme degree or extent;  noun success in satisfying a test or requirement;  going by something that is moving in order to get in front of it;  the end of something;  the motion of one object relative to another;  euphemistic expressions for death;  (American football) a play that involves one player throwing the ball to a teammate;  a bodily reaction of changing from one place or stage to another
  • passion - noun strong feeling or emotion;  a feeling of strong sexual desire;  the suffering of Jesus at the crucifixion;  the trait of being intensely emotional;  any object of warm affection or devotion;  an irrational but irresistible motive for a belief or action;  something that is desired intensely
  • passionate - adj. having or expressing strong emotions
  • passive - adj. lacking in energy or will;  expressing that the subject of the sentence is the patient of the action denoted by the verb; peacefully resistant in response to injustice;  noun the voice used to indicate that the grammatical subject of the verb is the recipient (not the source) of the action denoted by the verb
  • passively - adv. in a passive manner
  • passivity - noun the trait of remaining inactive; a lack of initiative; submission to others or to outside influences
  • past - adj. of a person who has held and relinquished a position or office;  earlier than the present time; no longer current;  a verb tense or other construction referring to events or states that existed at some previous time;  adv. so as to pass a given point;  noun a verb tense that expresses actions or states in the past;  the time that has elapsed;  a earlier period in someone's life (especially one that they have reason to keep secret)
  • paste - noun an adhesive made from water and flour or starch; used on paper and paperboard;  any mixture of a soft and malleable consistency;  a tasty mixture to be spread on bread or crackers;  verbcover the surface of;  hit with the fists;  join or attach with or as if with glue
  • pasteboard - noun stiff cardboard made by pasting together layers of paper
  • pasteur - noun French chemist and biologist whose discovery that fermentation is caused by microorganisms resulted in the process of pasteurization (1822-1895)
  • pasteurization - noun partial sterilization of foods at a temperature that destroys harmful microorganisms without major changes in the chemistry of the food
  • pasteurized - adj. having been subjected to pasteurization in order to halt fermentation
  • pastry - noun any of various baked foods made of dough or batter; a dough of flour and water and shortening
  • pasture - noun a field covered with grass or herbage and suitable for grazing by livestock;  animal food for browsing or grazing;  verbfeed as in a meadow or pasture;  let feed in a field or pasture or meadow
  • pasty - adj. resembling paste in color; pallid;  having the sticky properties of an adhesive;  noun (usually used in the plural) one of a pair of adhesive patches worn to cover the nipples of exotic dancers and striptease performers;  small meat pie or turnover
  • pat - adj. exactly suited to the occasion;  having only superficial plausibility;  adv. completely or perfectly;  noun the sound made by a gentle blow;  a light touch or stroke;  verb hit lightly;  pat or squeeze fondly or playfully, especially under the chin
  • patch - noun a piece of cloth used as decoration or to mend or cover a hole;  a short set of commands to correct a bug in a computer program;  a piece of soft material that covers and protects an injured part of the body;  a protective cloth covering for an injured eye;  sewing that repairs a worn or torn hole (especially in a garment);  a connection intended to be used for a limited time;  a small contrasting part of something;  a small area of ground covered by specific vegetation;  a period of indeterminate length (usually short) marked by some action or condition;  verb mend by putting a patch on;  to join or unite the pieces of;  provide with a patch; also used metaphorically;  repair by adding pieces
  • pate - noun the top of the head;  liver or meat or fowl finely minced or ground and variously seasoned
  • patella - noun type genus of the family Patellidae: common European limpets;  a small flat triangular bone in front of the knee that protects the knee joint
  • patellar - adj. near or relating to the patella or kneecap
  • patency - noun the openness (lack of obstruction) of a bodily passage or duct;  the property of being easy to see and understand
  • patent - adj. (of a bodily tube or passageway) open; affording free passage;  clearly revealed to the mind or the senses or judgment; noun a document granting an inventor sole rights to an invention;  an official document granting a right or privilege;  verb make open to sight or notice;  obtain a patent for;  grant rights to; grant a patent for
  • patented - adj. (of devices and processes) protected by patent
  • paterson - noun a city of northeastern New Jersey;  American Revolutionary leader (born in Ireland) who was a member of the Constitutional Convention (1745-1806)
  • path - noun a way especially designed for a particular use;  an established line of travel or access;  a line or route along which something travels or moves;  a course of conduct
  • pathogenic - adj. able to cause disease
  • pathologic - adj. caused by or altered by or manifesting disease or pathology;  of or relating to the practice of pathology
  • pathological - adj. caused by or evidencing a mentally disturbed condition;  of or relating to the practice of pathology;  caused by or altered by or manifesting disease or pathology
  • pathologically - adv. with respect to pathology
  • pathologist - noun a doctor who specializes in medical diagnosis
  • pathology - noun the branch of medical science that studies the causes and nature and effects of diseases;  any deviation from a healthy or normal condition
  • pathway - noun a trodden path;  a bundle of myelinated nerve fibers following a path through the brain
  • patience - noun good-natured tolerance of delay or incompetence;  a card game played by one person
  • patient - adj. enduring without protest or complaint;  enduring trying circumstances with even temper or characterized by such endurance;  noun a person who requires medical care;  the semantic role of an entity that is not the agent but is directly involved in or affected by the happening denoted by the verb in the clause
  • patiently - adv. in a patient manner
  • patten - noun footwear usually with wooden soles
  • pattern - noun a model considered worthy of imitation;  a customary way of operation or behavior;  a decorative or artistic work; something regarded as a normative example;  something intended as a guide for making something else;  a perceptual structure; graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle;  the path that is prescribed for an airplane that is preparing to land at an airport;  verb form a pattern;  plan or create according to a model or models
  • paucity - noun an insufficient quantity or number
  • paul - noun (New Testament) a Christian missionary to the Gentiles; author of several Epistles in the New Testament; even though Paul was not present at the Last Supper he is considered an apostle; United States feminist (1885-1977)
  • pause - noun temporary inactivity;  a time interval during which there is a temporary cessation of something;  verb cease an action temporarily;  interrupt temporarily an activity before continuing
  • pay - noun something that remunerates;  verb bear (a cost or penalty), in recompense for some action;  give money, usually in exchange for goods or services;  discharge or settle;  do or give something to somebody in return;  make a compensation for;  render; be worth it;  dedicate;  convey, as of a compliment, regards, attention, etc.; bestow;  cancel or discharge a debt;  bring in
  • paying - adj. for which money is paid;  yielding a fair profit
  • payment - noun the act of paying money;  a sum of money paid
  • pb - noun a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey
  • pe - noun the 17th letter of the Hebrew alphabet
  • pea - noun seed of a pea plant used for food;  a leguminous plant of the genus Pisum with small white flowers and long green pods containing edible green seeds;  the fruit or seed of a pea plant
  • peace - noun a treaty to cease hostilities;  the absence of mental stress or anxiety;  harmonious relations; freedom from disputes;  the state prevailing during the absence of war;  the general security of public places
  • peach - noun downy juicy fruit with sweet yellowish or whitish flesh; cultivated in temperate regions;  a shade of pink tinged with yellow;  a very attractive or seductive looking woman;  verb divulge confidential information or secrets; "Be careful--his secretary talks"
  • peanut - adj. of little importance or influence or power; of minor status;  noun pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms;  a young child who is small for his age;  widely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground; underground pod of the peanut vine
  • pear - noun sweet juicy gritty-textured fruit available in many varieties;  Old World tree having sweet gritty-textured juicy fruit; widely cultivated in many varieties
  • pear-shaped - adj. having a round shape tapered at one end;  (of sounds) full and rich
  • pearl - noun a smooth lustrous round structure inside the shell of a clam or oyster; much valued as a jewel;  a shade of white the color of bleached bones;  a shape that is spherical and small;  verb gather pearls, from oysters in the ocean
  • pearl ash - noun an impure form of potassium carbonate
  • pearly - adj. of a white the color of pearls;  noun informal terms for a human `tooth'
  • peasant - noun a country person;  a crude uncouth ill-bred person lacking culture or refinement;  one of a (chiefly European) class of agricultural laborers
  • peat - noun partially carbonized vegetable matter saturated with water; can be used as a fuel when dried
  • peck - noun a United States dry measure equal to 8 quarts or 537.605 cubic inches;  a British imperial capacity measure (liquid or dry) equal to 2 gallons;  (often followed by `of') a large number or amount or extent;  verb eat by pecking at, like a bird;  hit lightly with a picking motion;  bother persistently with trivial complaints;  eat like a bird;  kiss lightly
  • pectin - noun any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables; used in making fruit jellies and jams
  • pectineal - adj. of or relating to the pubis
  • pectoral - adj. of or relating to the chest or thorax;  noun an adornment worn on the chest or breast;  either of two large muscles of the chest
  • pectoralis - noun either of two large muscles of the chest
  • peculiar - adj. characteristic of one only; distinctive or special; markedly different from the usual;  beyond or deviating from the usual or expected;  unique or specific to a person or thing or category
  • peculiarity - noun a distinguishing trait;  an odd or unusual characteristic;  something unusual -- perhaps worthy of collecting
  • peculiarly - adv. uniquely or characteristically;  in a manner differing from the usual or expected;  to a distinctly greater extent or degree than is common
  • pecuniary - adj. relating to or involving money
  • pedantry - noun an ostentatious and inappropriate display of learning
  • pediatrics - noun the branch of medicine concerned with the treatment of infants and children
  • pedicle - noun a small stalk bearing a single flower of an inflorescence; an ultimate division of a common peduncle
  • pediculosis - noun infestation with lice (Pediculus humanus) resulting in severe itching
  • pediculus - noun type genus of Pediculidae: true lice infecting humans
  • peel - noun the rind of a fruit or vegetable;  British politician (1788-1850);  the tissue forming the hard outer layer (of e.g. a fruit);  verbget undressed;  come off in flakes or thin small pieces;  strip the skin off
  • peeled - adj. (used informally) completely unclothed
  • peeling - adj. having the paint loose and peeling away;  noun loss of bits of outer skin by peeling or shedding or coming off in scales
  • peevish - adj. easily irritated or annoyed
  • peg - noun a wooden pin pushed or driven into a surface;  a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing;  regulator that can be turned to regulate the pitch of the strings of a stringed instrument;  a prosthesis that replaces a missing leg;  small markers inserted into a surface to mark scores or define locations etc.;  informal terms of the leg;  verbstabilize (the price of a commodity or an exchange rate) by legislation or market operations;  fasten or secure with a wooden pin; pierce with a wooden pin or knock or thrust a wooden pin into; succeed in obtaining a position
  • pel - noun (computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)
  • peliosis - noun any of several blood diseases causing subcutaneous bleeding
  • pellagra - noun a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments
  • pellet - noun a small sphere;  a solid missile discharged from a firearm
  • pellitory - noun small Mediterranean plant containing a volatile oil once used to relieve toothache;  herb that grows in crevices having long narrow leaves and small pink apetalous flowers
  • pelvic - adj. of or relating to the pelvis
  • pelvimeter - noun measuring instrument for performing pelvimetry
  • pelvimetry - noun measurement of the dimensions of the bony birth canal (to determine whether vaginal birth is possible)
  • pelvis - noun a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter; the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates
  • pemphigus - noun a skin disease characterized by large thin-walled blisters (bullae) arising from normal skin or mucous membrane
  • pen - noun female swan;  a writing implement with a point from which ink flows;  an enclosure for confining livestock;  a correctional institution for those convicted of major crimes;  a portable enclosure in which babies may be left to play;  verb produce a literary work
  • pencil - noun a thin cylindrical pointed writing implement; a rod of marking substance encased in wood;  a cosmetic in a long thin stick; designed to be applied to a particular part of the face;  a figure formed by a set of straight lines or light rays meeting at a point; graphite (or a similar substance) used in such a way as to be a medium of communication;  verb write, draw, or trace with a pencil
  • pendent - adj. supported from above;  noun branched lighting fixture; often ornate; hangs from the ceiling;  an adornment that hangs from a piece of jewelry (necklace or earring)
  • pending - adj. awaiting conclusion or confirmation
  • pendulous - adj. having branches or flower heads that bend downward
  • pendulum - noun an apparatus consisting of an object mounted so that it swings freely under the influence of gravity
  • penetrable - adj. admitting of penetration or passage into or through;  capable of being penetrated
  • penetrate - verb come to understand;  pass into or through, often by overcoming resistance;  insert the penis into the vagina or anus of; make one's way deeper into or through;  become clear or enter one's consciousness or emotions;  spread or diffuse through;  enter a group or organization in order to spy on the members
  • penetrating - adj. tending to penetrate; having the power of entering or piercing;  having or demonstrating ability to recognize or draw fine distinctions
  • penetration - noun the act of entering into or through something; the act (by a man) of inserting his penis into the vagina of a woman; an attack that penetrates into enemy territory;  the depth to which something penetrates (especially the depth reached by a projectile that hits a target);  the ability to make way into or through something; clear or deep perception of a situation
  • penetrative - adj. tending to penetrate; having the power of entering or piercing;  having or demonstrating ability to recognize or draw fine distinctions
  • penicillium - noun genus of fungi commonly growing as green or blue molds on decaying food; used in making cheese and as a source of penicillin
  • penile - adj. of or relating to the penis
  • peninsula - noun a large mass of land projecting into a body of water
  • penis - noun the male organ of copulation (`member' is a euphemism)
  • penknife - noun a small pocketknife; originally used to cut quill pens
  • penn - noun Englishman and Quaker who founded the colony of Pennsylvania (1644-1718);  a university in Philadelphia, Pennsylvania
  • pennsylvania - noun a Mid-Atlantic state; one of the original 13 colonies;  one of the British colonies that formed the United States;  a university in Philadelphia, Pennsylvania
  • pennyroyal - noun erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine;  Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil
  • pension - noun a regular payment to a person that is intended to allow them to subsist without working;  verb grant a pension to
  • pent - adj. closely confined
  • people - noun (plural) any group of human beings (men or women or children) collectively;  members of a family line;  the body of citizens of a state or country;  the common people generally;  verb fill with people or supply with inhabitants;  furnish with people
  • pepper - noun sweet and hot varieties of fruits of plants of the genus Capsicum;  pungent seasoning from the berry of the common pepper plant of East India; use whole or ground;  climber having dark red berries (peppercorns) when fully ripe; southern India and Sri Lanka; naturalized in northern Burma and Assam;  any of various tropical plants of the genus Capsicum bearing peppers;  verb attack and bombard with or as if with missiles;  add pepper to
  • peppermint - noun a candy flavored with peppermint oil;  herb with downy leaves and small purple or white flowers that yields a pungent oil used as a flavoring;  red gum tree of Tasmania
  • pepsin - noun an enzyme produced in the stomach that splits proteins into peptones
  • peptic - adj. relating to or promoting digestion
  • peptone - noun any of various water-soluble compounds that form by hydrolysis in the digestion of proteins to amino acids
  • perambulation - noun a walk around a territory (a parish or manor or forest etc.) in order to officially assert and record its boundaries;  a leisurely walk (usually in some public place)
  • perceive - verb become conscious of;  to become aware of through the senses
  • perceived - adj. detected by means of the senses;  detected by instinct or inference rather than by recognized perceptual cues
  • percent - noun a proportion multiplied by 100
  • percentage - noun a proportion multiplied by 100;  assets belonging to or due to or contributed by an individual person or group
  • perceptible - adj. easily perceived by the senses or grasped by the mind;  capable of being perceived by the mind or senses;  easily seen or detected
  • perceptibly - adv. in a noticeable manner
  • perception - noun the process of perceiving;  knowledge gained by perceiving;  a way of conceiving something;  becoming aware of something via the senses;  the representation of what is perceived; basic component in the formation of a concept
  • perceptive - adj. having the ability to perceive or understand; keen in discernment;  of or relating to perception
  • perch - noun any of numerous spiny-finned fishes of various families of the order Perciformes;  spiny-finned freshwater food and game fishes;  support consisting of a branch or rod that serves as a resting place (especially for a bird);  any of numerous fishes of America and Europe;  an elevated place serving as a seat;  a square rod of land;  a linear measure of 16.5 feet;  verb sit, as on a branch;  cause to perch or sit;  to come to rest, settle
  • percipient - adj. characterized by ease and quickness in perceiving; noun a person who becomes aware (of things or events) through the senses
  • percolate - noun the product of percolation;  verb pass through; cause (a solvent) to pass through a permeable substance in order to extract a soluble constituent;  prepare in a percolator;  spread gradually;  gain or regain energy;  permeate or penetrate gradually
  • percolation - noun the filtration of a liquid for extraction or purification;  the act of making coffee in a percolator;  the slow passage of a liquid through a filtering medium
  • percussion - noun the act of exploding a percussion cap;  the act of playing a percussion instrument;  tapping a part of the body for diagnostic purposes;  the section of a band or orchestra that plays percussion instruments
  • peremptorily - adv. in an imperative and commanding manner
  • perfect - adj. precisely accurate or exact;  being complete of its kind and without defect or blemish;  without qualification; used informally as (often pejorative) intensifiers;  noun a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect);  verb make perfect or complete
  • perfected - adj. (of plans, ideas, etc.) perfectly formed
  • perfection - noun the act of making something perfect;  the state of being without a flaw or defect;  an ideal instance; a perfect embodiment of a concept
  • perfectly - adv. in a perfect or faultless way;  completely and without qualification; used informally as intensifiers
  • perforate - adj. having a hole cut through;  verb pass into or through, often by overcoming resistance;  make a hole into or between, as for ease of separation
  • perforated - adj. having a number or series of holes;  having a hole cut through
  • perforation - noun the act of punching a hole (especially a row of holes as for ease of separation);  a line of small holes for tearing at a particular place;  a hole made in something
  • perform - verb carry out or perform an action;  give a performance (of something);  perform a function;  get (something) done
  • performance - noun any recognized accomplishment;  the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it;  the act of presenting a play or a piece of music or other entertainment;  a dramatic or musical entertainment;  process or manner of functioning or operating
  • performing - noun the performance of a part or role in a drama
  • perfume - noun a toiletry that emits and diffuses a fragrant odor;  a distinctive odor that is pleasant;  verb apply perfume to;  fill or impregnate with an odor
  • perhaps - adv. by chance
  • peri - noun (Persian folklore) a supernatural being descended from fallen angels and excluded from paradise until penance is done;  a beautiful and graceful girl
  • periarteritis - noun inflammation of the outer coat of an artery
  • pericardiac - adj. located around the heart or relating to or affecting the pericardium
  • pericardial - adj. located around the heart or relating to or affecting the pericardium
  • pericarditis - noun inflammation of the pericardium
  • pericardium - noun a serous membrane with two layers that surrounds the heart
  • pericarp - noun the ripened and variously modified walls of a plant ovary
  • peril - noun a venture undertaken without regard to possible loss or injury;  a source of danger; a possibility of incurring loss or misfortune;  a state of danger involving risk;  verb put in a dangerous, disadvantageous, or difficult position;  pose a threat to; present a danger to
  • perilous - adj. fraught with danger
  • perimeter - noun a line enclosing a plane areas;  the size of something as given by the distance around it;  the boundary line or the area immediately inside the boundary
  • perineal - adj. of or relating to the perineum
  • perineum - noun the general region between the anus and the genital organs
  • period - noun a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations;  the end or completion of something;  a unit of geological time during which a system of rocks formed;  one of three periods of play in hockey games;  the interval taken to complete one cycle of a regularly repeating phenomenon;  a stage in the history of a culture having a definable place in space and time;  the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause;  an amount of time
  • periodic - adj. recurring or reappearing from time to time;  happening or recurring at regular intervals;  recurring at regular intervals
  • periodical - adj. happening or recurring at regular intervals;  noun a publication that appears at fixed intervals
  • periodically - adv. in a sporadic manner
  • periodicity - noun the quality of recurring at regular intervals
  • periodontal - adj. of or relating to or involving or practicing periodontics
  • periosteum - noun a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone
  • peripheral - adj. on or near an edge or constituting an outer boundary; the outer area;  related to the key issue but not of central importance;  noun (computer science) electronic equipment connected by cable to the CPU of a computer
  • peripherally - adv. in or at or near a periphery or according to a peripheral role or function or relationship
  • periphery - noun the outside boundary or surface of something
  • perish - verb pass from physical life and lose all bodily attributes and functions necessary to sustain life
  • peristalsis - noun the process of wavelike muscle contractions of the alimentary tract that moves food along
  • peritoneal - adj. of or relating to or affecting the peritoneum
  • peritoneum - noun a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera
  • peritonitis - noun inflammation of the peritoneum
  • permanence - noun the property of being able to exist for an indefinite duration
  • permanency - noun the property of being able to exist for an indefinite duration
  • permanent - adj. continuing or enduring without marked change in status or condition or place;  not capable of being reversed or returned to the original condition;  noun a series of waves in the hair made by applying heat and chemicals
  • permanently - adv. for a long time without essential change
  • permanganate - noun a dark purple salt of permanganic acid; in water solution it is used as a disinfectant and antiseptic
  • permeability - noun the property of something that can be pervaded by a liquid (as by osmosis or diffusion)
  • permeable - adj. allowing fluids or gases to pass or diffuse through
  • permeated - adj. occurring throughout
  • permeation - noun the process of permeating or infusing something with a substance;  mutual penetration; diffusion of each through the other
  • permissible - adj. that may be permitted especially as according to rule;  that may be accepted or conceded
  • permission - noun approval to do something;  the act of giving a formal (usually written) authorization
  • permit - noun large game fish; found in waters of the West Indies; the act of giving a formal (usually written) authorization;  a legal document giving official permission to do something;  verb consent to, give permission;  allow the presence of or allow (an activity) without opposing or prohibiting;  make it possible through a specific action or lack of action for something to happen
  • pernicious - adj. working or spreading in a hidden and usually injurious way;  exceedingly harmful
  • perniciousness - noun grave harmfulness or deadliness
  • pernio - noun inflammation of the hands and feet caused by exposure to cold and moisture
  • peroneal - adj. of or relating to the fibula or the outer part of the leg below the knee
  • peroneus - noun muscle of the lower leg that is involved in moving the foot
  • peroxide - noun an inorganic compound containing the divalent ion -O-O-;  a viscous liquid with strong oxidizing properties; a powerful bleaching agent; also used as a disinfectant and (in strong concentrations) as an oxidant in rocket fuels;  verb bleach with peroxide
  • perpendicular - adj. extremely steep;  intersecting at or forming right angles;  at right angles to the plane of the horizon or a base line; noun an extremely steep face;  a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting;  a straight line at right angles to another line;  a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
  • perpendicularly - adv. in a perpendicular manner;  straight up or down without a break
  • perpetuation - noun the act of prolonging something
  • perplexed - adj. full or difficulty or confusion or bewilderment
  • perplexing - adj. lacking clarity of meaning; causing confusion or perplexity
  • persecution - noun the act of persecuting (especially on the basis of race or religion)
  • perseverance - noun the act of persisting or persevering; continuing or repeating behavior;  persistent determination
  • persevere - verb be persistent, refuse to stop
  • persevering - adj. quietly and steadily persevering especially in detail or exactness
  • perseveringly - adv. with perseverance
  • persian - adj. of or relating to Iran or its people or language or culture;  noun the language of Persia (Iran) in any of its ancient forms;  a native or inhabitant of Iran
  • persist - verb stay behind;  be persistent, refuse to stop;  continue to exist
  • persistence - noun the act of persisting or persevering; continuing or repeating behavior;  persistent determination;  the property of a continuous and connected period of time
  • persistency - noun persistent determination
  • persistent - adj. never-ceasing;  retained; not shed;  continually recurring to the mind
  • persistently - adv. with persistence;  in a persistent manner
  • persisting - adj. relentless and indefatigable in pursuit or as if in pursuit
  • person - noun a human being;  a human body (usually including the clothing);  a grammatical category of pronouns and verb forms
  • personal - adj. particular to a given individual;  concerning or affecting a particular person or his or her private life and personality; intimately concerning a person's body or physical being;  indicating grammatical person;  of or arising from personality;  noun a short newspaper article about a particular person or group
  • personality - noun the complex of all the attributes--behavioral, temperamental, emotional and mental--that characterize a unique individual;  a person of considerable prominence
  • personally - adv. as a person;  in the flesh; without involving anyone else;  concerning the speaker;  in a personal way;  as yourself
  • personnel - noun the department responsible for hiring and training and placing employees and for seting policies for personnel management;  group of people willing to obey orders
  • perspective - noun the appearance of things relative to one another as determined by their distance from the viewer;  a way of regarding situations or topics etc.
  • perspiration - noun salty fluid secreted by sweat glands;  the process of the sweat glands of the skin secreting a salty fluid
  • perspire - verb excrete perspiration through the pores in the skin
  • pert - adj. characterized by a lightly pert and exuberant quality
  • pertly - adv. in an impudent or impertinent manner
  • perturbed - adj. thrown into a state of agitated confusion; (`rattled' is an informal term)
  • pertussis - noun a disease of the respiratory mucous membrane
  • peru - noun a republic in western South America; achieved independence from Spain in 1821; was the heart of the Inca empire from the 12th to 16th centuries
  • peruvian - adj. of or relating to or characteristic of Peru or its people;  noun a native or inhabitant of Peru
  • perverse - adj. marked by a disposition to oppose and contradict; marked by immorality; deviating from what is considered right or proper or good;  resistant to guidance or discipline
  • perversion - noun the action of perverting something (turning it to a wrong use);  an aberrant sexual practice that is preferred to normal intercourse;  a curve that reverses the direction of something
  • perversity - noun deliberately deviating from what is good; deliberate and stubborn unruliness and resistance to guidance or discipline
  • perverted - adj. marked by immorality; deviating from what is considered right or proper or good;  having an intended meaning altered or misrepresented;  (used of sexual behavior) showing or appealing to bizarre or deviant tastes
  • pervious - adj. admitting of passage or entrance
  • pes - noun the part of the leg of a human being below the ankle joint
  • pessary - noun a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
  • pessimism - noun a general disposition to look on the dark side and to expect the worst in all things;  the feeling that things will turn out badly
  • pessimistic - adj. expecting the worst in this worst of all possible worlds
  • pest - noun any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.;  a persistently annoying person;  any epidemic disease with a high death rate;  a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
  • pestis - noun a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
  • petechia - noun a minute red or purple spot on the surface of the skin as the result of tiny hemorrhages of blood vessels in the skin (as in typhoid fever)
  • petersburg - noun the final campaign of the American Civil War (1864-65); Union forces under Grant besieged and finally defeated Confederate forces under Lee;  a town in southeastern Virginia (south of Richmond); scene of heavy fighting during the American Civil War
  • petrissage - noun massage of the skin which is gently lifted and squeezed
  • petrolatum - noun a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication
  • petroleum - noun a dark oil consisting mainly of hydrocarbons
  • petrous - adj. (of bone especially the temporal bone) resembling stone in hardness
  • petticoat - noun undergarment worn under a skirt
  • ph - noun (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic)
  • phagocytic - adj. capable of functioning as a phagocyte
  • phagocytosis - noun process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection
  • phalangeal - adj. of or relating to the bones of the fingers or toes
  • phalanx - noun any of the bones of the fingers or toes;  a body of troops in close array;  any closely ranked crowd of people
  • phantom - adj. something apparently sensed but having no physical reality;  noun something existing in perception only;  a ghostly appearing figure
  • pharmaceutic - adj. of or relating to pharmacy or pharmacists;  noundrug or medicine that is prepared or dispensed in pharmacies and used in medical treatment
  • pharmaceutical - adj. of or relating to pharmacy or pharmacists;  of or relating to drugs used in medical treatment;  noun drug or medicine that is prepared or dispensed in pharmacies and used in medical treatment
  • pharmacist - noun a health professional trained in the art of preparing and dispensing drugs
  • pharmacology - noun the science or study of drugs: their preparation and properties and uses and effects
  • pharmacopeia - noun (pharmacology) a book containing a compilation of pharmaceutical products with their formulas and methods of preparation
  • pharmacopoeia - noun a collection or stock of drugs
  • pharmacy - noun the art and science of preparing and dispensing drugs and medicines,;  a retail shop where medicine and other articles are sold
  • pharyngeal - adj. of or relating to the throat;  noun a consonant articulated in the back of the mouth or throat
  • pharyngitis - noun inflammation of the fauces and pharynx
  • pharynx - noun the passage to the stomach and lungs; in the front part of the neck below the chin and above the collarbone
  • phase - noun (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun);  (physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary;  a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle;  any distinct time period in a sequence of events;  verbadjust so as to be in a synchronized condition;  arrange in phases or stages
  • phenacetin - noun a white crystalline compound used as an analgesic and also as an antipyretic
  • phenol - noun any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups;  a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally
  • phenolphthalein - noun a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8
  • phenomenal - adj. of or relating to a phenomenon;  exceedingly or unbelievably great
  • phenomenon - noun any state or process known through the senses rather than by intuition or reasoning;  a remarkable development
  • phi - noun the 21st letter of the Greek alphabet
  • phial - noun a small bottle that contains a drug (especially a sealed sterile container for injection by needle)
  • philadelphia - noun the largest city in Pennsylvania; located in the southeastern part of the state on the Delaware river; site of Independence Hall where the Declaration of Independence and the Constitution were signed; site of the University of Pennsylvania
  • philip - noun Englishman and husband of Elizabeth II (born 1921)
  • philippine - adj. of or relating to or characteristic of the Philippines or its people or customs;  noun official language of the Philippines; based on Tagalog; draws its lexicon from other Philippine languages
  • phimosis - noun an abnormal tightness of the foreskin preventing retraction over the glans
  • phlebitis - noun inflammation of a vein (usually in the legs)
  • phlebotomus - noun small bloodsucking sand flies that resemble moths;  a mild viral disease transmitted by the bite of the sand fly Phlebotomus papatasii
  • phlebotomy - noun surgical incision into a vein; used to treat hemochromatosis
  • phlegm - noun expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness;  inactivity; showing an unusual lack of energy;  apathy demonstrated by an absence of emotional reactions
  • phlegmatic - adj. showing little emotion
  • phonate - verb utter speech sounds
  • phonation - noun the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
  • phony - adj. fraudulent; having a misleading appearance;  noun a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives
  • phosphate - noun carbonated drink with fruit syrup and a little phosphoric acid;  a salt of phosphoric acid
  • phosphorescence - noun a fluorescence that persists after the bombarding radiation has ceased
  • phosphoric - adj. containing or characteristic of phosphorus
  • phosphorus - noun a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms;  a planet (usually Venus) seen just before sunrise in the eastern sky
  • photograph - noun a picture of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material;  verb record on photographic film;  undergo being photographed in a certain way
  • photographer - noun someone who takes photographs professionally
  • photographic - adj. representing people or nature with the exactness and fidelity of a photograph;  relating to photography or obtained by using photography
  • photography - noun the occupation of taking and printing photographs or making movies;  the act of taking and printing photographs;  the process of producing images of objects on photosensitive surfaces
  • photomicrograph - noun a photograph taken with the help of a microscope
  • photophobia - noun a morbid fear of light;  pain in the eye resulting from exposure to bright light (often associated with albinism)
  • phototherapy - noun the use of strong light to treat acne or hyperbilirubinemia of the newborn
  • phrase - noun dance movements that are linked in a single choreographic sequence;  an expression consisting of one or more words forming a grammatical constituent of a sentence;  a short musical passage;  an expression whose meanings cannot be inferred from the meanings of the words that make it up;  verb divide, combine, or mark into phrases;  put into words or an expression
  • phrenic - adj. of or relating to the diaphragm
  • phthisis - noun involving the lungs with progressive wasting of the body
  • physical - adj. having substance or material existence; perceptible to the senses;  concerned with material things;  characterized by energetic bodily activity;  according with material things or natural laws (other than those peculiar to living matter);  involving the body as distinguished from the mind or spirit;  relating to the sciences dealing with matter and energy; especially physics;  impelled by physical force especially against resistance
  • physically - adv. in accord with physical laws
  • physician - noun a licensed medical practitioner
  • physiognomy - noun the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
  • physiologic - adj. of or consistent with an organism's normal functioning
  • physiological - adj. of or relating to the biological study of physiology;  of or consistent with an organism's normal functioning
  • physiologically - adv. of or relating to physiological processes; with respect to physiology
  • physiology - noun processes and functions of an organism;  the branch of the biological sciences dealing with the functioning of organisms
  • physique - noun constitution of the human body;  alternative names for the body of a human being
  • physostigma - noun African woody vines: calabar beans
  • phytolacca - noun type genus of Phytolaccaceae: pokeweed
  • pia - noun perennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starch
  • piaster - noun a fractional monetary unit in Egypt and Lebanon and Sudan and Syria;  100 kurus equal 1 lira in Turkey
  • pic - noun a picture of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material;  a form of entertainment that enacts a story by a sequence of images giving the illusion of continuous movement
  • pica - noun magpies;  eating earth or clay or chalk; occurs in some primitive tribes or sometimes in cases of nutritional deficiency;  a linear unit (1/6 inch) used in printing
  • pichi - noun Peruvian shrub with small pink to lavender tubular flowers; leaves yield a tonic and diuretic
  • pick - noun a basketball maneuver; obstructing an opponent with one's body;  a heavy iron tool with a wooden handle and a curved head that is pointed on both ends;  a thin sharp implement used for removing unwanted material;  a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument;  the act of choosing or selecting;  the yarn woven across the warp yarn in weaving;  the person or thing chosen or selected;  the best people or things in a group;  the quantity of a crop that is harvested;  verb remove in small bits;  select carefully from a group;  look for and gather;  attack with or as if with a pickaxe of ice or rocky ground, for example;  provoke; pilfer or rob;  remove unwanted substances from, such as feathers or pits;  harass with constant criticism;  eat intermittently; take small bites of;  hit lightly with a picking motion;  pull lightly but sharply with a plucking motion;  pay for something
  • pick-me-up - noun a tonic or restorative (especially a drink of liquor);  anything with restorative powers
  • picking - noun the act of picking (crops or fruit or hops etc.);  the quantity of a crop that is harvested
  • pickled - adj. (used of foods) preserved in a pickling liquid
  • picrasma - noun small genus of deciduous trees of tropical America and Asia
  • picture - noun a visual representation (of an object or scene or person or abstraction) produced on a surface;  a typical example of some state or quality;  illustrations used to decorate or explain a text; a situation treated as an observable object;  graphic art consisting of an artistic composition made by applying paints to a surface;  a clear and telling mental image;  the visible part of a television transmission;  a form of entertainment that enacts a story by a sequence of images giving the illusion of continuous movement;  a graphic or vivid verbal description;  verb show in, or as in, a picture; imagine; conceive of; see in one's mind
  • picture frame - noun a framework in which a picture is mounted
  • pictured - adj. represented graphically by sketch or design or lines; seen in the mind as a mental image
  • pid - noun inflammation of the female pelvic organs (especially the Fallopian tubes) caused by infection by any of several microorganisms (chiefly gonococci and chlamydia); symptoms are abdominal pain and fever and foul-smelling vaginal discharge
  • pie - noun dish baked in pastry-lined pan often with a pastry top;  a prehistoric unrecorded language that was the ancestor of all Indo-European languages
  • piece - noun a separate part of a whole;  an item that is an instance of some type;  a distance;  an artistic or literary composition;  an instance of some kind;  a serving that has been cut from a larger portion;  a portable gun;  game equipment consisting of an object used in playing certain board games;  a work of art of some artistic value;  a musical work that has been created;  a portion of a natural object;  a share of something;  a period of indeterminate length (usually short) marked by some action or condition;  verb repair by adding pieces;  join during spinning;  eat intermittently; take small bites of;  to join or unite the pieces of;  create by putting components or members together
  • piedmont - noun the region of northwestern Italy; includes the Po valley;  the plateau between the coastal plain and the Appalachian Mountains: parts of Virginia and North and South Carolina and Georgia and Alabama
  • pierce - noun 14th President of the United States (1804-1869);  verbmake a hole into;  penetrate or cut through with a sharp instrument; cut or make a way through;  move or affect (a person's emotions or bodily feelings) deeply or sharply;  sound sharply or shrilly
  • pierced - adj. having a hole cut through
  • piercing - adj. loud and sharp;  having or emitting a high-pitched and sharp tone or tones;  suitable for cutting or piercing;  as physically painful as if caused by a sharp instrument;  having or demonstrating ability to recognize or draw fine distinctions
  • pig - noun a crude block of metal (lead or iron) poured from a smelting furnace;  domestic swine;  mold consisting of a bed of sand in which pig iron is cast;  uncomplimentary terms for a policeman;  a person regarded as greedy and pig-like;  a coarse obnoxious person; verb live like a pig, in squalor;  give birth;  eat greedily
  • pigeon - noun wild and domesticated birds having a heavy body and short legs
  • pigeon breast - noun abnormal protrusion of the breastbone caused by rickets
  • pigment - noun dry coloring matter (especially a powder to be mixed with a liquid to produce paint etc);  verb color or dye with a pigment; acquire pigment; become colored or imbued
  • pigmentation - noun coloration of living tissues by pigment;  the deposition of pigment in animals or plants or human beings
  • pilary - adj. covered with hairs especially fine soft ones
  • pile - noun the yarn (as in a rug or velvet or corduroy) that stands up from the weave;  a column of wood or steel or concrete that is driven into the ground to provide support for a structure;  a collection of objects laid on top of each other;  a large sum of money (especially as pay or profit);  a nuclear reactor that uses controlled nuclear fission to generate energy;  battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Volta;  fine soft dense hair (as the fine short hair of cattle or deer or the wool of sheep or the undercoat of certain dogs);  (often followed by `of') a large number or amount or extent;  verb place or lay as if in a pile; arrange in stacks;  press tightly together or cram
  • piles - noun a large number or amount;  pain caused by venous swelling at or inside the anal sphincter
  • pill - noun a dose of medicine in the form of a small pellet; something that resembles a tablet of medicine in shape or size;  a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception;  something unpleasant or offensive that must be tolerated or endured;  a unpleasant or tiresome person
  • pillar - noun a fundamental principle or practice;  a prominent supporter;  (architeture) a tall cylindrical vertical upright and used to support a structure;  a vertical cylindrical structure standing alone and not supporting anything (such as a monument);  anything tall and relatively thin that approximates the shape of a column or tower
  • pillow - noun a cushion to support the head of a sleeping person; verb rest on or as if on a pillow
  • pilocarpine - noun cholinergic alkaloid used in eyedrops to treat glaucoma
  • pimenta - noun allspice tree
  • pimento - noun fully ripened sweet red pepper; usually cooked; plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers
  • pimpinella - noun anise
  • pimple - noun a small inflamed elevation of the skin; a pustule or papule; common symptom in acne
  • pin - noun a small slender (often pointed) piece of wood or metal used to support or fasten or attach things;  a piece of jewelry that is pinned onto the wearer's garment;  flagpole used to mark the position of the hole on a golf green;  cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown;  informal terms of the leg;  a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target;  a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing;  axis consisting of a short shaft that supports something that turns;  a number you choose and use to gain access to various accounts; small markers inserted into a surface to mark scores or define locations etc.;  when a wrestler's shoulders are forced to the mat; verb immobilize a piece;  attach or fasten with pins;  pierce with a pin; to hold fast or prevent from moving
  • pinch - noun a squeeze with the fingers;  an injury resulting from getting some body part squeezed;  a painful or straitened circumstance;  the act of apprehending (especially apprehending a criminal);  a small sharp bite or snip;  a sudden unforeseen crisis (usually involving danger) that requires immediate action;  a slight but appreciable addition;  verb irritate as if by a nip, pinch, or tear; squeeze tightly between the fingers;  cut the top off;  make ridges into by pinching together;  make off with belongings of others
  • pinched - adj. as if squeezed uncomfortably tight;  very thin especially from disease or hunger or cold;  sounding as if the nose were pinched;  not having enough money to pay for necessities
  • pine - noun a coniferous tree;  straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus;  verb have a desire for something or someone who is not present
  • pineal - adj. having the form of a pine cone;  relating to the pineal body
  • pineapple - noun large sweet fleshy tropical fruit with a terminal tuft of stiff leaves; widely cultivated;  a tropical American plant bearing a large fleshy edible fruit with a terminal tuft of stiff leaves; widely cultivated in the tropics
  • ping - noun a sharp high-pitched resonant sound (as of a sonar echo or a bullet striking metal);  a river in western Thailand; a major tributary of the Chao Phraya;  verb send a message from one computer to another to check whether it is reachable and active; contact, usually in order to remind of something;  hit with a pinging noise;  make a short high-pitched sound;  sound like a car engine that is firing too early
  • pinguecula - noun a slightly elevated elastic tissue deposit in the conjunctiva that may extend to the cornea but does not cover it
  • pinhead - noun the head of a pin;  an ignorant or foolish person
  • pinhole - noun a small puncture that might have been made by a pin
  • pinion - noun a gear with a small number of teeth designed to mesh with a larger wheel or rack;  wing of a bird;  any of the larger wing or tail feathers of a bird;  verb cut the wings off (of birds);  bind the arms of
  • pink - adj. of a light shade of red;  noun a light shade of red;  any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers;  a person with mildly leftist political views;  verb cut in a zigzag pattern with pinking shears, in sewing;  sound like a car engine that is firing too early;  make light, repeated taps on a surface
  • pinkish - adj. of a light shade of red
  • pinkish-white - adj. of white tinged with pink
  • pinkroot - noun a fungal disease of onions
  • pinna - noun division of a usually pinnately divided leaf;  the externally visible cartilaginous structure of the external ear
  • pinpoint - adj. meticulously precise;  noun the sharp point of a pin;  a very brief moment;  a very small spot;  verb locate exactly
  • pins and needles - noun a sharp tingling sensation from lack of circulation
  • pint - noun a United States liquid unit equal to 16 fluid ounces; two pints equal one quart;  a United States dry unit equal to 0.5 quart or 33.6 cubic inches;  a British imperial capacity measure (liquid or dry) equal to 4 gills or 568.26 cubic centimeters
  • pinus - noun type genus of the Pinaceae: large genus of true pines
  • pious - adj. having or showing or expressing reverence for a deity; devoutly religious
  • pip - noun a small hard seed found in some fruits;  a minor nonspecific ailment;  a disease of poultry;  a radar echo displayed so as to show the position of a reflecting surface;  a mark on a playing card (shape depending on the suit);  verb defeat thoroughly;  hit with a missile from a weapon;  kill by firing a missile
  • pipe - noun a long tube made of metal or plastic that is used to carry water or oil or gas etc.;  a tube with a small bowl at one end; used for smoking tobacco;  a small fipple flute that is played with the left hand while the right hand is free to beat a tabor;  a hollow cylindrical shape;  a wind instrument; the player blows air into a bag and squeezes it out through the instrument;  the flues and stops on a pipe organ;  verb trim with piping;  play on a pipe;  transport by pipeline; utter a shrill cry
  • piper - noun someone who plays the bagpipe;  type genus of the Piperaceae: large genus of chiefly climbing tropical shrubs
  • piperin - noun derived from pepper (especially black pepper); source of the hotness of black and white pepper
  • pipet - noun measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube
  • pipsissewa - noun any of several plants of the genus Chimaphila
  • piscidia - noun genus of shrubs or small trees having indehiscent pods with black seeds; roots and bark yield fish poisons
  • pisiform - noun a small wrist bone that articulates only with the triquetral
  • pistacia - noun a dicotyledonous genus of trees of the family Anacardiaceae having drupaceous fruit
  • pistol - noun a firearm that is held and fired with one hand
  • piston - noun mechanical device that has a plunging or thrusting motion;  United States neoclassical composer (1894-1976)
  • pit - noun a surface excavation for extracting stone or slate;  a trap in the form of a concealed hole;  a sizeable hole (usually in the ground); a concavity in a surface (especially an anatomical depression);  a workplace consisting of a coal mine plus all the buildings and equipment connected with it;  lowered area in front of a stage where an orchestra accompanies the performers;  (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment;  the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed;  verb remove the pits from;  set into opposition or rivalry; mark with a scar
  • pitch - noun the action or manner of throwing something;  (baseball) the act of throwing a baseball by a pitcher to a batter;  an all-fours game in which the first card led is a trump;  a high approach shot in golf;  the property of sound that varies with variation in the frequency of vibration;  degree of deviation from a horizontal plane;  a vendor's position (especially on the sidewalk);  any of various dark heavy viscid substances obtained as a residue;  abrupt up-and-down motion (as caused by a ship or other conveyance);  promotion by means of an argument and demonstration;  verb set to a certain pitch;  lead (a card) and establish the trump suit;  hit (a golf ball) in a high arc with a backspin;  erect and fasten;  fall or plunge forward;  set the level or character of;  throw or hurl from the mound to the batter, as in baseball;  throw or toss with a light motion;  move abruptly;  heel over;  be at an angle;  sell or offer for sale from place to place
  • pitched - adj. set at a slant;  (of sound) set to a certain pitch or key; usually used as a combining form
  • pitcher - noun the position on a baseball team of the player who throws the ball for a batter to try to hit;  an open vessel with a handle and a spout for pouring;  (baseball) the person who does the pitching;  the quantity contained in a pitcher
  • pitching - noun (baseball) playing the position of pitcher on a baseball team;  abrupt up-and-down motion (as caused by a ship or other conveyance)
  • pith - noun soft spongelike central cylinder of the stems of most flowering plants;  the choicest or most essential or most vital part of some idea or experience;  verb remove the pith from (a plant)
  • pitting - noun the formation of small pits in a surface as a consequence of corrosion
  • pituitary - adj. of or relating to the pituitary gland;  having abnormal size with overgrown extremities resulting from abnormal pituitary secretion;  noun the master gland of the endocrine system; located at the base of the brain
  • pityriasis - noun any of several skin disorders characterized by shedding dry flakes of skin
  • pivot - noun the act of turning on (or as if on) a pivot;  axis consisting of a short shaft that supports something that turns;  the person in a rank around whom the others wheel and maneuver;  verb turn on a pivot
  • pix - noun any receptacle in which wafers for the Eucharist are kept; a chest in which coins from the mint are held to await assay
  • place - noun an abstract mental location;  the passage that is being read;  an item on a list or in a sequence;  any area set aside for a particular purpose;  a general vicinity;  a particular situation;  proper or designated social situation;  proper or appropriate position or location;  a job in an organization;  the post or function properly or customarily occupied or served by another;  a blank area;  where you live at a particular time;  a public square with room for pedestrians; the particular portion of space occupied by something;  a space reserved for sitting (as in a theater or on a train or airplane);  a point located with respect to surface features of some region;  verb take a place in a competition; often followed by an ordinal;  estimate;  to arrange for;  sing a note with the correct pitch;  finish second or better in a horse or dog race;  place somebody in a particular situation or location;  assign to (a job or a home);  identify the location or place of; recognize as being; establish the identity of someone or something; assign a rank or rating to;  assign to a station;  intend (something) to move towards a certain goal;  put into a certain place or abstract location;  locate;  make an investment;  assign a location to
  • placebo - noun (Roman Catholic Church) vespers of the office for the dead;  an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug
  • placed - adj. put in position in relation to other things;  situated in a particular spot or position
  • placement - noun contact established between applicants and prospective employees;  the act of putting something in a certain place;  the spatial property of the way in which something is placed
  • placenta - noun the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus;  that part of the ovary of a flowering plant where the ovules form
  • placental - adj. pertaining to or having or occurring by means of a placenta;  noun mammals having a placenta; all mammals except monotremes and marsupials
  • plague - noun an annoyance;  any large scale calamity (especially when thought to be sent by God);  any epidemic disease with a high death rate;  a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal;  a swarm of insects that attack plants;  verb annoy continually or chronically;  cause to suffer a blight
  • plague pneumonia - noun a rapidly progressive and frequently fatal form of the plague that can spread through the air from person to person; characterized by lung involvement with chill, bloody expectoration and high fever
  • plain - adj. lacking embellishment or ornamentation;  free from any effort to soften to disguise;  lacking patterns especially in color;  not elaborate or elaborated; simple;  not mixed with extraneous elements;  lacking in physical beauty or proportion;  clearly revealed to the mind or the senses or judgment;  adv. unmistakably (`plain' is often used informally for `plainly');  noun extensive tract of level open land;  a basic knitting stitch;  verb express complaints, discontent, displeasure, or unhappiness
  • plainly - adv. in a simple manner; without extravagance or embellishment;  unmistakably (`plain' is often used informally for `plainly')
  • plan - noun scale drawing of a structure;  a series of steps to be carried out or goals to be accomplished;  an arrangement scheme; verb make plans for something;  have the will and intention to carry out some action;  make or work out a plan for; devise;  make a design of; plan out in systematic, often graphic form
  • plane - adj. having a surface without slope, tilt in which no part is higher or lower than another;  noun a carpenter's hand tool with an adjustable blade for smoothing or shaping wood;  a power tool for smoothing or shaping wood;  (mathematics) an unbounded two-dimensional shape;  a level of existence or development;  an aircraft that has a fixed wing and is powered by propellers or jets;  verb cut or remove with or as if with a plane;  make even or smooth, with or as with a carpenter's plane;  travel on the surface of water
  • plank - noun an endorsed policy in the platform of a political party;  a stout length of sawn timber; made in a wide variety of sizes and used for many purposes;  verb cook and serve on a plank;  cover with planks;  set (something or oneself) down with or as if with a noise
  • planned - adj. designed or carried out according to a plan;  planned in advance
  • planning - noun the act or process of drawing up plans or layouts for some project or enterprise;  an act of formulating a program for a definite course of action;  the cognitive process of thinking about what you will do in the event of something happening
  • planoconcave - adj. flat on one side and concave on the other
  • planoconvex - adj. flat on one side and convex on the other
  • plant - noun a living organism lacking the power of locomotion; buildings for carrying on industrial labor;  something planted secretly for discovery by another;  an actor situated in the audience whose acting is rehearsed but seems spontaneous to the audience;  verbput firmly in the mind;  place something or someone in a certain position in order to secretly observe or deceive;  put or set (seeds, seedlings, or plants) into the ground;  place into a river;  fix or set securely or deeply;  set up or lay the groundwork for
  • plantar - adj. relating to or occurring on the undersurface of the foot
  • plantation - noun a newly established colony (especially in the colonization of North America);  an estate where cash crops are grown on a large scale (especially in tropical areas);  garden consisting of a small cultivated wood without undergrowth
  • planted - adj. set in the soil for growth;  (used especially of ideas or principles) deeply rooted; firmly fixed or held
  • planter - noun a decorative pot for house plants;  the owner or manager of a plantation;  a worker who puts or sets seeds or seedlings into the ground
  • plasma - noun colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended;  (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons;  a green slightly translucent variety of chalcedony used as a gemstone
  • plasmodium - noun parasitic protozoan of the genus Plasmodium that causes malaria in humans;  multinucleate sheet of cytoplasm characteristic of some stages of such organisms as slime molds
  • plaster - noun adhesive tape used in dressing wounds;  a surface of hardened plaster (as on a wall or ceiling);  a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings;  a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.;  any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs;  verb coat with plaster;  apply a heavy coat to;  apply a plaster cast to;  affix conspicuously;  cover conspicuously or thickly, as by pasting something on;  dress by covering with a therapeutic substance
  • plaster of paris - noun any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
  • plastic - adj. capable of being influenced or formed;  forming or capable of forming or molding or fashioning;  capable of being molded or modeled (especially of earth or clay or other soft material);  noun generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives
  • plasticity - noun the property of being physically malleable; the property of something that can be worked or hammered or shaped without breaking
  • plate - noun dish on which food is served or from which food is eaten;  a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners);  a sheet of metal or wood or glass or plastic;  a shallow receptacle for collection in church;  structural member consisting of a horizontal beam that provides bearing and anchorage;  a full-page illustration (usually on slick paper);  a flat sheet of metal or glass on which a photographic image can be recorded;  the positively charged electrode in a vacuum tube;  any flat platelike body structure or part;  a main course served on a plate;  the thin under portion of the forequarter;  a rigid layer of the Earth's crust that is believed to drift slowly;  the quantity contained in a plate;  a dental appliance that artificially replaces missing teeth;  (baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score; verb coat with a layer of metal
  • platform - noun a raised horizontal surface;  any military structure or vehicle bearing weapons;  the combination of a particular computer and a particular operating system;  a document stating the aims and principles of a political party;  a woman's shoe with a very high thick sole
  • platinum - noun a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
  • platysma - noun either of two broad muscles located on either side of the neck and innervated by the facial nerve; extends from lower jaw to clavicle and is involved in moving the mouth and jaw
  • plausible - adj. apparently reasonable and valid, and truthful;  given to or characterized by presenting specious arguments
  • plausibly - adv. easy to believe on the basis of available evidence
  • play - noun the act using a sword (or other weapon) vigorously and skillfully;  activity by children that is guided more by imagination than by fixed rules;  gay or light-hearted recreational activity for diversion or amusement;  a preset plan of action in team sports;  utilization or exercise;  a dramatic work intended for performance by actors on a stage;  a theatrical performance of a drama;  a state in which action is feasible;  the act of playing for stakes in the hope of winning (including the payment of a price for a chance to win a prize); (game) the activity of doing something in an agreed succession;  a deliberate coordinated movement requiring dexterity and skill;  an attempt to get something;  movement or space for movement;  verbal wit or mockery (often at another's expense but not to be taken seriously);  a weak and tremulous light;  the removal of constraints; (in games or plays or other performances) the time during which play proceeds;  verb engage in an activity as if it were a game rather than take it seriously;  exhaust by allowing to pull on the line; participate in games or sport;  employ in a game or in a specific position;  use or move;  shoot or hit in a particular manner;  bet or wager (money);  put (a card or piece) into play during a game, or act strategically as if in a card game;  make bets;  use to one's advantage;  discharge or direct or be discharged or directed as if in a continuous stream;  perform on a certain location;  be performed; cause to emit recorded sounds;  emit recorded sound;  pretend to be somebody in the framework of a game or playful activity;  replay (as a melody);  play on an instrument;  perform music on (a musical instrument);  move or seem to move quickly, lightly, or irregularly; cause to move or operate freely within a bounded space;  act or have an effect in a specified way or with a specific effect or outcome; engage in recreational activities rather than work; occupy oneself in a diversion;  be at play; be engaged in playful activity; amuse oneself in a way characteristic of children;  behave in a certain way;  be received or accepted or interpreted in a specific way;  pretend to have certain qualities or state of mind;  consider not very seriously; contend against an opponent in a sport, game, or battle;  stake on the outcome of an issue;  manipulate manually or in one's mind or imagination;  cause to happen or to occur as a consequence;  play a role or part;  perform on a stage or theater;  behave carelessly or indifferently
  • played - adj. (of games) engaged in
  • playing - noun the action of taking part in a game or sport or other recreation;  the act of playing a musical instrument;  the performance of a part or role in a drama
  • pleasant - adj. pleasant in manner or behavior;  affording pleasure; being in harmony with your taste or likings
  • pleasantly - adv. in an enjoyable manner;  in a cheerful manner
  • please - adv. used in polite request;  verb give pleasure to or be pleasing to;  give satisfaction;  be the will of or have the will (to)
  • pleasing - adj. able to please or win approval;  giving pleasure and satisfaction;  giving pleasure or satisfaction;  aesthetically pleasing; noun the act of one who pleases
  • pleasure - noun sexual gratification;  an activity that affords enjoyment;  a formal expression;  a fundamental feeling that is hard to define but that people desire to experience;  something or someone that provides pleasure; a source of happiness
  • plentiful - adj. existing in great number or quantity;  affording an abundant supply;  producing in abundance
  • plentifulness - noun a full supply
  • plenty - adv. as much as necessary;  noun a full supply;  (often followed by `of') a large number or amount or extent
  • pleomorphic - adj. relating to or characterized by pleomorphism
  • plethora - noun extreme excess
  • plethoric - adj. excessively abundant
  • pleura - noun the thin serous membrane around the lungs and inner walls of the chest
  • pleural - adj. of or relating to the pleura or the walls of the thorax
  • pleurisy - noun inflammation of the pleura of the lungs (especially the parietal layer)
  • pleurodynia - noun pain in the chest caused by inflammation of the muscles between the ribs
  • pleuropneumonia - noun pleurisy and pneumonia
  • pleximeter - noun a small thin metal plate held against the body and struck with a plexor in percussive examinations
  • plexor - noun (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes
  • plexus - noun a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels
  • pliable - adj. capable of being bent or flexed or twisted without breaking;  able to adjust readily to different conditions;  capable of being shaped or bent or drawn out;  susceptible to being led or directed
  • pliant - adj. capable of being bent or flexed or twisted without breaking;  able to adjust readily to different conditions;  capable of being shaped or bent or drawn out;  capable of being influenced or formed
  • pliers - noun a gripping hand tool with two hinged arms and (usually) serrated jaws
  • plowed - adj. (of farmland) broken and turned over with a plow
  • plug - noun blockage consisting of an object designed to fill a hole tightly;  an electrical device with two or three pins that is inserted in a socket to make an electrical connection;  an old or over-worked horse;  an upright hydrant for drawing water to use in fighting a fire; electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark;  blatant or sensational promotion;  a wad of something chewable as tobacco;  verb persist in working hard;  make a plug for; praise the qualities or in order to sell or promote;  fill or close tightly with or as if with a plug;  deliver a quick blow to
  • plugged - adj. (of a coin) altered by the insertion of a plug of base metal;  completely obstructed or closed off
  • plumbago - noun any plumbaginaceous plant of the genus Plumbago;  used as a lubricant and as a moderator in nuclear reactors
  • plumbic - adj. relating to or consisting of lead
  • plumbing - noun the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building); utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage;  measuring the depths of the oceans
  • plumbism - noun toxic condition produced by the absorption of excessive lead into the system
  • plunge - noun a steep and rapid fall;  a brief swim in water;  verbbegin with vigor;  cause to be immersed;  dash violently or with great speed or impetuosity;  fall abruptly;  engross (oneself) fully;  immerse briefly into a liquid so as to wet, coat, or saturate;  thrust or throw into;  drop steeply
  • plunger - noun hand tool consisting of a stick with a rubber suction cup at one end; used to clean clogged drains;  mechanical device that has a plunging or thrusting motion;  someone who dives (into water);  someone who risks losses for the possibility of considerable gains
  • plural - adj. grammatical number category referring to two or more items or units;  composed of more than one member, set, or kind; noun the form of a word that is used to denote more than one
  • plus - adj. involving advantage or good;  on the positive side or higher end of a scale;  noun the arithmetic operation of summing; calculating the sum of two or more numbers;  a useful or valuable quality
  • pluvialis - noun golden plovers
  • pneumatic - adj. of or relating to or using air (or a similar gas)
  • pneumococcus - noun bacterium causing pneumonia in mice and humans
  • pneumoconiosis - noun chronic respiratory disease caused by inhaling metallic or mineral particles
  • pneumogastric - adj. of or relating to or involving the lungs and stomach;  of or relating to the vagus nerve;  noun a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera
  • pneumonectomy - noun surgical removal of a lung (usually to treat lung cancer)
  • pneumonia - noun respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants
  • pneumonic - adj. relating to or affecting the lungs;  pertaining to or characterized by or affected by pneumonia
  • pneumonitis - noun inflammation of the lungs; caused by a virus or an allergic reaction
  • pneumothorax - noun abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)
  • po - noun a European river; flows into the Adriatic Sea;  an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States;  a noncommissioned officer in the navy with a rank comparable to sergeant in the army;  a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
  • poached - adj. cooked in hot water
  • pock - noun a pustule in an eruptive disease;  verb mark with a scar
  • pocket - noun a small pouch inside a garment for carrying small articles;  an opening at the corner or on the side of a billiard table into which billiard balls are struck;  a small isolated group of people;  a supply of money;  (bowling) the space between the headpin and the pins behind it on the right or left;  (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican);  a local region of low pressure or descending air that causes a plane to lose height suddenly;  a hollow concave shape made by removing something;  an enclosed space;  verb put in one's pocket;  take unlawfully
  • pocket knife - noun a knife with a blade that folds into the handle; suitable for carrying in the pocket
  • podophyllum - noun perennial rhizomatous herbs
  • poi - noun Hawaiian dish of taro root pounded to a paste and often allowed to ferment
  • point - noun sharp end;  a wall socket;  the gun muzzle's direction; an outstanding characteristic;  a distinguishing or individuating characteristic;  the property of a shape that tapers to a sharp tip;  a geometric element that has position but no extension;  the object of an activity;  a brief version of the essential meaning of something;  a V-shaped mark at one end of an arrow pointer;  the precise location of something; a spatially limited location;  a promontory extending out into a large body of water;  the unit of counting in scoring a game or contest;  a linear unit used to measure the size of type; approximately 1/72 inch;  a style in speech or writing that arrests attention and has a penetrating or convincing quality or effect;  a V shape;  a very small circular shape;  an instant of time;  a contact in the distributor; as the rotor turns its projecting arm contacts them and current flows to the spark plugs;  an isolated fact that is considered separately from the whole;  a distinct part that can be specified separately in a group of things that could be enumerated on a list;  a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations;  any of 32 horizontal directions indicated on the card of a compass;  a specific identifiable position in a continuum or series or especially in a process;  verb repair the joints of bricks;  be positionable in a specified manner;  mark (a psalm text) to indicate the points at which the music changes;  mark with diacritics;  mark (Hebrew words) with diacritics;  give a point to;  be a signal for or a symptom of;  indicate a place, direction, person, or thing; either spatially or figuratively; intend (something) to move towards a certain goal;  direct into a position for use;  sail close to the wind;  direct the course; determine the direction of travelling;  be oriented
  • pointed - adj. direct and obvious in meaning or reference; often unpleasant;  having a point
  • pointer - noun a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points game;  an indicator as on a dial;  (computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions; a mark to indicate a direction or relation
  • poison - noun anything that harms or destroys;  any substance that causes injury or illness or death of a living organism;  verb administer poison to;  add poison to;  kill with poison;  kill by its poison;  spoil as if by poison
  • poison oak - noun dermatitis resulting from contact with a poison oak plant;  climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact
  • poisoning - noun the act of giving poison to a person or animal with the intent to kill;  the physiological state produced by a poison or other toxic substance
  • poisonous - adj. marked by deep ill will; deliberately harmful;  not safe to eat;  having the qualities or effects of a poison
  • poisonously - adv. in a very malevolent manner
  • poke - noun tall coarse perennial American herb having small white flowers followed by blackish-red berries on long drooping racemes; young fleshy stems are edible; berries and root are poisonous; (boxing) a blow with the fist;  a sharp hand gesture (resembling a blow);  a bag made of paper or plastic for holding customer's purchases;  someone who takes more time than necessary; someone who lags behind;  verb make a hole by poking;  stir by poking;  poke or thrust abruptly;  hit hard with the hand, fist, or some heavy instrument;  search or inquire in a meddlesome way
  • poker - noun any of various card games in which players bet that they hold the highest-ranking hand;  fire iron consisting of a metal rod with a handle; used to stir a fire
  • pol - noun a person active in party politics
  • polar - adj. having a pair of equal and opposite charges;  of or existing at or near a geographical pole or within the Arctic or Antarctic Circles;  located at or near or coming from the earth's poles;  being of crucial importance;  extremely cold;  characterized by opposite extremes; completely opposed
  • polariscope - noun an optical device used to measure the rotation of the plane of vibration of polarized light
  • pole - noun a long (usually round) rod of wood or metal or plastic; one of the two ends of a magnet where the magnetism seems to be concentrated;  a long fiberglass sports implement used for pole vaulting;  one of two divergent or mutually exclusive opinions;  one of two antipodal points where the Earth's axis of rotation intersects the Earth's surface;  one of two points of intersection of the Earth's axis and the celestial sphere;  a native or inhabitant of Poland;  a contact on an electrical device (such as a battery) at which electric current enters or leaves;  a square rod of land;  a linear measure of 16.5 feet; verb deoxidize molten metals by stirring them with a wooden pole; support on poles;  propel with a pole
  • polenta - noun a thick mush made of cornmeal boiled in stock or water
  • police - noun the force of policemen and officers;  verb maintain the security of by carrying out a control
  • policeman - noun a member of a police force
  • policy - noun a plan of action adopted by an individual or social group;  written contract or certificate of insurance;  a line of argument rationalizing the course of action of a government
  • poliomyelitis - noun an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord
  • poliosis - noun loss of color from the hair
  • polish - adj. of or relating to Poland or its people or culture;  nounthe property of being smooth and shiny;  the Slavic language of Poland;  a highly developed state of perfection; having a flawless or impeccable quality;  a preparation used in polishing;  verb bring to a highly developed, finished, or refined state;  improve or perfect by pruning or polishing;  make (a surface) shine
  • polished - adj. perfected or made shiny and smooth;  showing a high degree of refinement and the assurance that comes from wide social experience;  (of lumber or stone) to trim and smooth;  (of grains especially rice) having the husk or outer layers removed
  • political - adj. involving or characteristic of politics or parties or politicians;  of or relating to your views about social relationships involving authority or power;  of or relating to the profession of governing
  • poll - noun the counting of votes (as in an election);  a tame parrot; the part of the head between the ears;  an inquiry into public opinion conducted by interviewing a random sample of people;  the top of the head;  verb convert into a pollard;  get the opinions (of people) by asking specific questions;  get the votes of;  vote in an election at a polling station
  • pollen - noun the fine spores that contain male gametes and that are borne by an anther in a flowering plant
  • polluted - adj. rendered unwholesome by contaminants and pollution
  • pollution - noun undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities;  the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors;  the state of being polluted
  • polychrome - adj. having or exhibiting many colors;  noun a piece of work composed of or decorated in many colors;  verb color with many colors; make polychrome
  • polychromic - adj. having or exhibiting many colors
  • polycythemia - noun a disorder characterized by an abnormal increase in the number of red blood cells in the blood
  • polydipsia - noun excessive thirst (as in cases of diabetes or kidney dysfunction)
  • polygala - noun type genus of the Polygalaceae: milkwort; senega; snakeroot
  • polygonal - adj. having many sides or relating to a surface marked by polygons
  • polygonum - noun diverse genus of herbs or woody subshrubs of north temperate regions
  • polyhedral - adj. of or relating to or resembling a polyhedron
  • polymeric - adj. of or relating to or consisting of a polymer
  • polymorphism - noun (biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences);  (chemistry) the existence of different kinds of crystal of the same chemical compound
  • polymorphous - adj. relating to the crystallization of a compound in two or more different forms;  having or occurring in several distinct forms;  relating to the occurrence of more than one kind of individual (independent of sexual differences) in an interbreeding population
  • polynesia - noun the islands in the eastern part of Oceania
  • polyneuritis - noun inflammation of many or all of the peripheral nerves (as in leprosy)
  • polyp - noun one of two forms that coelenterates take e.g. a hydra or coral: usually sedentary and has a hollow cylindrical body usually with a ring of tentacles around the mouth;  a small vascular growth on the surface of a mucous membrane
  • polypus - noun a small vascular growth on the surface of a mucous membrane
  • polyuria - noun renal disorder characterized by the production of large volumes of pale dilute urine; often associated with diabetes
  • polyvalent - adj. having more than one valence, or having a valence of 3 or higher;  containing several antibodies each capable of counteracting a specific antigen
  • pomade - noun hairdressing consisting of a perfumed oil or ointment;  verb apply pomade to (hair)
  • pomegranate - noun large globular fruit having many seeds with juicy red pulp in a tough brownish-red rind;  shrub or small tree native to southwestern Asia having large red many-seeded fruit
  • poncho - noun a blanket-like cloak with a hole in the center for the head
  • ponderous - adj. having great mass and weight and unwieldiness; labored and dull;  slow and laborious because of weight
  • pons - noun a band of nerve fibers linking the medulla oblongata and the cerebellum with the midbrain;  United States coloratura soprano (born in France) (1904-1976)
  • pool - noun any of various games played on a pool table having 6 pockets;  an excavation that is (usually) filled with water;  an organization of people or resources that can be shared;  something resembling a pool of liquid;  a small body of standing water (rainwater) or other liquid;  the combined stakes of the betters;  any communal combination of funds;  an association of companies for some definite purpose;  a small lake;  verb join or form a pool of people;  combine into a common fund
  • poor - adj. unsatisfactory;  having little money or few possessions; lacking in specific resources, qualities or substances;  characterized by or indicating poverty;  deserving or inciting pity;  not sufficient to meet a need;  noun people without possessions or wealth (considered as a group)
  • poorly - adj. somewhat ill or prone to illness;  adv. (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well
  • popliteal - adj. of or relating to the area behind the knee joint
  • poppy - noun annual or biennial or perennial herbs having showy flowers
  • popular - adj. (of music or art) new and of general appeal (especially among young people);  carried on by or for the people (or citizens) at large;  regarded with great favor, approval, or affection especially by the general public;  representing or appealing to or adapted for the benefit of the people at large
  • popularity - noun the quality of being widely admired or accepted or sought after
  • popularly - adv. among the people
  • population - noun the act of populating (causing to live in a place); (statistics) the entire aggregation of items from which samples can be drawn;  a group of organisms of the same species populating a given area;  the people who inhabit a territory or state;  the number of inhabitants (either the total number or the number of a particular race or class) in a given place (country or city etc.)
  • porcelain - noun ceramic ware made of a more or less translucent ceramic
  • porch - noun a structure attached to the exterior of a building often forming a covered entrance
  • pork - noun meat from a domestic hog or pig;  a legislative appropriation designed to ingratiate legislators with their constituents
  • porous - adj. full of pores or vessels or holes;  able to absorb fluids; allowing passage in and out
  • porridge - noun soft food made by boiling oatmeal or other meal or legumes in water or milk until thick
  • port - adj. located on the left side of a ship or aircraft;  noun an opening (in a wall or ship or armored vehicle) for firing through; sweet dark-red dessert wine originally from Portugal;  a place (seaport or airport) where people and merchandise can enter or leave a country;  (computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals);  the left side of a ship or aircraft to someone facing the bow or nose;  verb drink port;  carry or hold with both hands diagonally across the body, especially of weapons;  carry, bear, convey, or bring;  turn or go to the port or left side, of a ship;  land at or reach a port;  bring to port;  put or turn on the left side, of a ship; transfer data from one computer to another via a cable that links connecting ports
  • port wine - noun sweet dark-red dessert wine originally from Portugal
  • portable - adj. of a motor designed to be attached to the outside of a boat's hull;  easily or conveniently transported;  noun a small light typewriter; usually with a case in which it can be carried
  • portal - noun a grand and imposing entrance (often extended metaphorically);  a short vein that carries blood into the liver;  a site that the owner positions as an entrance to other sites on the internet
  • portend - verb indicate by signs
  • portent - noun a sign of something about to happen
  • porter - noun a very dark sweet ale brewed from roasted unmalted barley;  a railroad employee who assists passengers (especially on sleeping cars);  a person employed to carry luggage and supplies; United States writer of short stories whose pen name was O. Henry (1862-1910);  United States composer and lyricist of musical comedies (1891-1946);  United States writer of novels and short stories (1890-1980);  someone who guards an entrance;  verb carry luggage or supplies
  • porterhouse - noun large steak from the thick end of the short loin containing a T-shaped bone and large piece of tenderloin
  • portion - noun the allotment of some amount by dividing something; something less than the whole of a human artifact;  an individual quantity of food or drink taken as part of a meal;  money or property brought by a woman to her husband at marriage;  assets belonging to or due to or contributed by an individual person or group; something determined in relation to something that includes it;  your overall circumstances or condition in life (including everything that happens to you);  verb give out or allot
  • portland - noun largest city in Maine in the southwestern corner of the state;  freshwater port and largest city in Oregon; located in northwestern Oregon on the Willamette River which divides the city into east and west sections; renowned for its beautiful natural setting among the mountains
  • porto - noun port city in northwest Portugal; noted for port wine
  • portray - verb portray in words;  make a portrait of;  represent in a painting, drawing, sculpture, or verbally;  assume or act the character of
  • portraying - noun a representation by picture or portraiture
  • portugal - noun a republic in southwestern Europe on the Iberian Peninsula; Portuguese explorers and colonists in the 15th and 16th centuries created a vast overseas empire (including Brazil)
  • portuguese - adj. of or relating to or characteristic of Portugal or the people of Portugal;  noun the Romance language spoken in Portugal and Brazil;  a native or inhabitant of Portugal
  • pose - noun a posture assumed by models for photographic or artistic purposes;  a deliberate pretense or exaggerated display; affected manners intended to impress others;  verb pretend to be someone you are not; sometimes with fraudulent intentions;  behave affectedly or unnaturally in order to impress others;  be a mystery or bewildering to;  put into a certain place or abstract location;  assume a posture as for artistic purposes;  introduce
  • posed - adj. arranged for pictorial purposes
  • posit - noun (logic) a proposition that is accepted as true in order to provide a basis for logical reasoning;  verb take as a given; assume as a postulate or axiom;  put before;  put (something somewhere) firmly
  • position - noun the act of positing; an assumption taken as a postulate or axiom;  a job in an organization;  (in team sports) the role assigned to an individual player;  the spatial property of a place where or way in which something is situated;  the arrangement of the body and its limbs;  a rationalized mental attitude;  a way of regarding situations or topics etc.;  the particular portion of space occupied by something;  the appropriate or customary location;  the post or function properly or customarily occupied or served by another;  the act of putting something in a certain place;  an item on a list or in a sequence;  an opinion that is held in opposition to another in an argument or dispute;  a point occupied by troops for tactical reasons; a condition or position in which you find yourself;  the relative position or standing of things or especially persons in a society;  verb cause to be in an appropriate place, state, or relation;  put into a certain place or abstract location
  • positive - adj. formally laid down or imposed;  characterized by or displaying affirmation or acceptance or certainty etc.;  greater than zero;  reckoned, situated or tending in the direction which naturally or arbitrarily is taken to indicate increase or progress or onward motion; indicating existence or presence of a suspected condition or pathogen;  having a positive electric charge;  involving advantage or good;  persuaded of; very sure;  marked by excessive confidence; impossible to deny or disprove;  of or relating to positivism;  noun a film showing a photographic image whose tones correspond to those of the original subject
  • positively - adv. extremely;  so as to be positive; in a positive manner
  • possess - verb have as an attribute, knowledge, or skill;  enter into and control, as of emotions or ideas;  have ownership or possession of
  • possessed - adj. influenced or controlled by a powerful force such as a strong emotion;  in a murderous frenzy as if possessed by a demon
  • possession - noun anything owned or possessed;  the act of having and controlling property;  (sport) the act of controlling the ball (or puck);  a territory that is controlled by a ruling state;  being controlled by passion or the supernatural;  the trait of resolutely controlling your own behavior;  a mania restricted to one thing or idea
  • possessor - noun a person who owns something
  • possibility - noun a possible alternative;  a future prospect or potential;  capability of existing or happening or being true;  a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
  • possible - adj. capable of happening or existing;  existing in possibility;  capable of being imagined;  noun something that can be done;  an applicant who might be suitable
  • possibly - adv. by chance;  to a degree possible of achievement or by possible means;  in a manner or to a degree possible of conceiving;  with a possibility of becoming actual
  • post - noun the delivery and collection of letters and packages;  an upright consisting of a piece of timber or metal fixed firmly in an upright position;  a pole or stake set up to mark something (as the start or end of a race track);  the position where someone (as a guard or sentry) stands or is assigned to stand;  United States manufacturer of breakfast cereals and Postum (1854-1914);  United States female author who wrote a book and a syndicated newspaper column on etiquette (1872-1960);  United States aviator who in 1933 made the first solo flight around the world (1899-1935);  a job in an organization;  military installation at which a body of troops is stationed;  the system whereby messages are transmitted via the post office;  any particular collection of letters or packages that is delivered;  verb publicize with, or as if with, a poster;  display, as of records in sports games;  mark or expose as infamous;  put up;  affix in a public place or for public notice;  ride Western style and bob up and down in the saddle in rhythm with a horse's trotting gait;  transfer (entries) from one account book to another;  assign to a post; put into a post;  enter on a public list;  cause to be directed or transmitted to another place;  assign to a station;  mark with a stake
  • post office - noun a children's game in which kisses are exchanged for pretended letters;  a local branch of the United States Post Office; an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
  • posted - adj. publicly announced
  • posterior - adj. at or near the hind end in quadrupeds or toward the spine in primates;  noun a tooth situated at the back of the mouth; the fleshy part of the human body that you sit on
  • postmaster - noun the person in charge of a post office
  • postmortem - adj. occurring or done after death;  after death or after an event;  noun discussion of an event after it has occurred;  an examination and dissection of a dead body to determine cause of death or the changes produced by disease
  • postnatal - adj. occurring immediately after birth
  • postoperative - adj. happening or done after a surgical operation
  • postpartum - adj. occurring immediately after birth
  • postpone - verb hold back to a later time
  • postponed - adj. put off to later
  • postponement - noun act of putting off to a future time;  time during which some action is awaited
  • postural - adj. of or relating to or involving posture
  • posture - noun characteristic way of bearing one's body;  the arrangement of the body and its limbs;  capability in terms of personnel and materiel that affect the capacity to fight a war;  a rationalized mental attitude;  verb assume a posture as for artistic purposes;  behave affectedly or unnaturally in order to impress others
  • pot - noun metal or earthenware cooking vessel that is usually round and deep; often has a handle and lid;  street names for marijuana;  a container in which plants are cultivated;  slang for a paunch;  the cumulative amount involved in a game (such as poker);  the quantity contained in a pot;  a resistor with three terminals, the third being an adjustable center terminal; used to adjust voltages in radios and TV sets;  a plumbing fixture for defecation and urination;  (often followed by `of') a large number or amount or extent;  verb plant in a pot
  • potable - adj. suitable for drinking;  noun any liquid suitable for drinking
  • potash - noun a potassium compound often used in agriculture and industry
  • potassium - noun a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
  • potato - noun an edible tuber native to South America; a staple food of Ireland;  annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous
  • potence - noun the state of being potent; a male's capacity to have sexual intercourse
  • potency - noun capacity to produce strong physiological or chemical effects;  the state of being potent; a male's capacity to have sexual intercourse;  the power or right to give orders or make decisions;  the inherent capacity for coming into being
  • potent - adj. having a strong physiological or chemical effect;  (of a male) capable of copulation;  having or wielding force or authority; having great influence
  • potential - adj. existing in possibility;  expected to become or be; in prospect;  noun the inherent capacity for coming into being;  the difference in electrical charge between two points in a circuit expressed in volts
  • potentially - adv. with a possibility of becoming actual
  • potently - adv. in a manner having a powerful influence
  • potomac - noun term sometimes used to refer to Washington, D.C.; a river in the east central United States; rises in West Virginia in the Appalachian Mountains and flows eastward, forming the boundary between Maryland and Virginia, to the Chesapeake Bay
  • potted - adj. (British informal) summarized or abridged;  preserved in a pot or can or jar;  of plants; planted or grown in a pot
  • potter - noun a craftsman who shapes pottery on a potter's wheel and bakes them it a kiln;  verb work lightly;  move around aimlessly; do random, unplanned work or activities or spend time idly
  • pottery - noun the craft of making earthenware;  ceramic ware made from clay and baked in a kiln;  a workshop where clayware is made
  • pouch - noun a small or medium size container for holding or carrying things;  (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican);  an enclosed space;  verb send by special mail that goes through diplomatic channels;  put into a small bag;  swell or protrude outwards
  • pouched - adj. having a pouch
  • poultice - noun a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.;  verb dress by covering with a therapeutic substance
  • poultry - noun flesh of chickens or turkeys or ducks or geese raised for food;  a domesticated gallinaceous bird thought to be descended from the red jungle fowl
  • pound - noun a public enclosure for stray or unlicensed dogs; United States writer who lived in Europe; strongly influenced the development of modern literature (1885-1972);  a nontechnical unit of force equal to the mass of 1 pound with an acceleration of free fall equal to 32 feet/sec/sec;  16 ounces;  the act of pounding (delivering repeated heavy blows);  the basic unit of money in Great Britain; equal to 100 pence;  the basic unit of money in Cyprus; equal to 100 cents;  the basic unit of money in Egypt; equal to 100 piasters; formerly the basic unit of money in Ireland; equal to 100 pence;  the basic unit of money in Lebanon; equal to 100 piasters;  the basic unit of money in the Sudan; equal to 100 piasters;  the basic unit of money in Syria; equal to 100 piasters;  verb break down and crush by beating, as with a pestle;  shut up or confine in any enclosure or within any bounds or limits;  partition off into compartments;  place or shut up in a pound;  hit hard with the hand, fist, or some heavy instrument;  strike or drive against with a heavy impact;  move rhythmically;  move heavily or clumsily
  • pour - verb move in large numbers;  flow in a spurt;  cause to run; supply in large amounts or quantities;  rain heavily;  pour out
  • pouring - adj. flowing profusely
  • pout - noun a disdainful grimace;  catfish common in eastern United States;  marine eellike mostly bottom-dwelling fishes of northern seas;  verb make a sad face and thrust out one's lower lip;  be in a huff and display one's displeasure
  • poverty - noun the state of having little or no money and few or no material possessions
  • poverty-stricken - adj. poor enough to need help from others
  • pow - noun a person who surrenders to (or is taken by) the enemy in time of war
  • powder - noun any of various cosmetic or medical preparations dispensed in the form of a pulverized powder;  a solid substance in the form of tiny loose particles; a solid that has been pulverized;  a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks;  verb apply powder to;  make into a powder by breaking up or cause to become dust
  • powdered - adj. consisting of fine particles
  • powdery - adj. as if dulled in color with a sprinkling of powder; consisting of fine particles
  • powell - noun English physicist who discovered the pion (the first known meson) which is a subatomic particle involved in holding the nucleus together (1903-1969);  United States general who was the first African American to serve as chief of staff; later served as Secretary of State under President George W. Bush (born 1937)
  • power - noun possession of controlling influence;  one possessing or exercising power or influence or authority;  (physics) the rate of doing work; measured in watts (= joules/second);  physical strength; possession of the qualities (especially mental qualities) required to do something or get something done;  a mathematical notation indicating the number of times a quantity is multiplied by itself;  a state powerful enough to influence events throughout the world;  a very wealthy or powerful businessman;  (of a government or government official) holding an office means being in power;  verbsupply the force or power for the functioning of
  • powerful - adj. having great power or force or potency or effect; displaying superhuman strength or power;  having great influence; (of a person) possessing physical strength and weight; rugged and powerful;  strong enough to knock down or overwhelm;  adv.(Southern regional intensive) very
  • powerfully - adv. in a powerful manner;  in a manner having a powerful influence
  • powerless - adj. lacking power
  • pox - noun a contagious disease characterized by purulent skin eruptions that may leave pock marks;  a common venereal disease caused by the treponema pallidum spirochete; symptoms change through progressive stages; can be congenital (transmitted through the placenta)
  • pr - noun a promotion intended to create goodwill for a person or institution;  a self-governing commonwealth associated with the United States occupying the island of Puerto Rico;  a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
  • practicable - adj. capable of being done with means at hand and circumstances as they are;  usable for a specific purpose
  • practical - adj. having or put to a practical purpose or use; concerned with actual use or practice;  guided by practical experience and observation rather than theory;  being actually such in almost every respect
  • practically - adv. in a practical manner;  almost; nearly;  (degree adverb used before a noun phrase) for all practical purposes but not completely
  • practice - noun a customary way of operation or behavior; translating an idea into action;  the exercise of a profession; knowledge of how something is usually done;  systematic training by multiple repetitions;  verb avail oneself to;  carry out or practice; as of jobs and professions;  learn by repetition;  engage in a rehearsal (of)
  • practiced - adj. skillful after much practice;  having or showing knowledge and skill and aptitude
  • practise - verb learn by repetition;  engage in a rehearsal (of);  carry out or practice; as of jobs and professions
  • practised - adj. skillful after much practice
  • practitioner - noun someone who practices a learned profession
  • prague - noun the capital and largest city of the Czech Republic in the western part of the country; a cultural and commercial center since the 14th century
  • prat - noun the fleshy part of the human body that you sit on
  • pre-existing - adj. existing previously or before something
  • precancerous - adj. of or relating to a growth that is not malignant but is likely to become so if not treated
  • precaution - noun a precautionary measure warding off impending danger or damage or injury etc.;  the trait of practicing caution in advance;  judiciousness in avoiding harm or danger
  • precautionary - adj. taken in advance to protect against possible danger or failure
  • precede - verb furnish with a preface or introduction;  move ahead (of others) in time or space;  be the predecessor of;  come before;  be earlier in time; go back further
  • precedent - adj. preceding in time, order, or significance;  noun an example that is used to justify similar occurrences at a later time;  a subject mentioned earlier (preceding in time);  (civil law) a law established by following earlier judicial decisions;  a system of jurisprudence based on judicial precedents rather than statutory laws
  • preceding - adj. existing or coming before;  preceding in time or order;  of a person who has held and relinquished a position or office
  • precept - noun a doctrine that is taught;  rule of personal conduct
  • precious - adj. of high worth or cost;  obviously contrived to charm; characterized by feeling or showing fond affection for;  adv.extremely
  • precipitant - adj. done with very great haste and without due deliberation;  noun an agent that causes a precipitate to form
  • precipitate - adj. done with very great haste and without due deliberation;  noun a precipitated solid substance in suspension or after settling or filtering;  verb separate as a fine suspension of solid particles;  hurl or throw violently;  bring about abruptly;  fall vertically, sharply, or headlong;  fall from clouds
  • precipitating - adj. bringing on suddenly or abruptly
  • precipitation - noun an unexpected acceleration or hastening;  the act of casting down or falling headlong from a height;  the falling to earth of any form of water (rain or snow or hail or sleet or mist);  the process of forming a chemical precipitate;  the quantity of water falling to earth at a specific place within a specified period of time; overly eager speed (and possible carelessness)
  • precise - adj. sharply exact or accurate or delimited;  (of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth ; strictly correct
  • precisely - adv. indicating exactness or preciseness;  in a precise manner;  just as it should be
  • precision - noun the quality of being reproducible in amount or performance
  • preclude - verb make impossible, especially beforehand;  keep from happening or arising; make impossible
  • precocious - adj. appearing or developing early;  characterized by or characteristic of exceptionally early development or maturity (especially in mental aptitude)
  • precocity - noun intelligence achieved far ahead of normal developmental schedules
  • preconceived - adj. (of an idea or opinion) formed beforehand; especially without evidence or through prejudice
  • precordial - adj. in front of the heart; involving the precordium
  • precordium - noun the external surface of the body overlying the heart and stomach
  • precursor - noun a person who goes before or announces the coming of another;  a substance from which another substance is formed (especially by a metabolic reaction);  an indication of the approach of something or someone
  • predict - verb make a prediction about; tell in advance;  indicate by signs
  • predicted - adj. known beforehand
  • predigested - adj. artificially partially digested as by enzymatic action
  • predilection - noun a predisposition in favor of something;  a strong liking
  • predispose - verb make susceptible
  • predisposed - adj. made susceptible
  • predisposition - noun a disposition in advance to react in a particular way;  an inclination beforehand to interpret statements in a particular way;  susceptibility to a pathogen
  • predominance - noun the state of being predominant over others; the quality of being more noticeable than anything else
  • predominant - adj. having superior power and influence;  most frequent or common
  • predominantly - adv. much greater in number or influence
  • predominate - adj. having superior power and influence;  verb be larger in number, quantity, power, status or importance;  appear very large or occupy a commanding position
  • preeminent - adj. greatest in importance or degree or significance or achievement
  • preemptive - adj. designed or having the power to deter or prevent an anticipated situation or occurrence
  • preexist - verb exist beforehand or prior to a certain point in time
  • preexisting - adj. existing previously or before something
  • preface - noun a short introductory essay preceding the text of a book;  verb furnish with a preface or introduction
  • prefer - verb like better; value more highly;  promote over another; give preference to one creditor over another;  select as an alternative; choose instead; prefer as an alternative
  • preferable - adj. more desirable than another
  • preferably - adv. more readily or willingly
  • preference - noun grant of favor or advantage to one over another (especially to a country or countries in matters of international trade, such as levying duties);  the right or chance to choose;  a strong liking;  a predisposition in favor of something
  • preferred - adj. more desirable than another;  preferred above all others and treated with partiality
  • prefix - noun an affix that is added in front of the word;  verb attach a prefix to
  • prefrontal - adj. anterior to a frontal structure
  • pregnancy - noun the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus
  • pregnant - adj. carrying developing offspring within the body or being about to produce new life;  filled with or attended with;  rich in significance or implication
  • prehensile - adj. adapted for grasping especially by wrapping around an object;  having a keen intellect;  immoderately desirous of acquiring e.g. wealth
  • prejudice - noun a partiality that prevents objective consideration of an issue or situation;  verb influence (somebody's) opinion in advance;  disadvantage by prejudice
  • prejudicial - adj. tending to favor preconceived ideas;  (sometimes followed by `to') causing harm or injury
  • preliminary - adj. designed to orient or acquaint with a situation before proceeding;  noun something that serves as a preceding event or introduces what follows;  a minor match preceding the main event
  • prelude - noun music that precedes a fugue or introduces an act in an opera;  something that serves as a preceding event or introduces what follows;  verb play as a prelude;  serve as a prelude or opening to
  • premature - adj. uncommonly early or before the expected time; born after a gestation period of less than the normal time;  too soon or too hasty
  • prematurely - adv. too soon; in a premature manner;  (of childbirth) before the end of the normal period of gestation
  • premeditated - adj. characterized by deliberate purpose and some degree of planning
  • premise - noun a statement that is assumed to be true and from which a conclusion can be drawn;  verb take something as preexisting and given;  set forth beforehand, often as an explanation; furnish with a preface or introduction
  • premises - noun land and the buildings on it
  • premium - adj. having or reflecting superior quality or value;  nounpayment for insurance;  the amount that something in scarce supply is valued above its nominal value;  payment or reward (especially from a government) for acts such as catching criminals or killing predatory animals or enlisting in the military;  a fee charged for exchanging currencies
  • premonition - noun an early warning about a future event;  a feeling of evil to come
  • premonitory - adj. warning of future misfortune
  • prenatal - adj. occurring or existing before birth
  • preoperative - adj. happening or done before and in preparation for a surgical operation
  • preparation - noun the activity of putting or setting in order in advance of some act or purpose;  (music) a note that produces a dissonant chord is first heard in a consonant chord;  the act of preparing something (as food) by the application of heat; preparatory school work done outside school (especially at home); activity leading to skilled behavior;  the cognitive process of thinking about what you will do in the event of something happening;  the state of having been made ready or prepared for use or action (especially military action);  a substance prepared according to a formula
  • preparatory - adj. preceding and preparing for something
  • prepare - verb to prepare verbally, either for written or spoken delivery;  lead up to and soften by sounding the dissonant note in it as a consonant note in the preceding chord;  prepare (someone) for a future role or function;  make ready or suitable or equip in advance for a particular purpose or for some use, event, etc;  undergo training or instruction in preparation for a particular role, function, or profession;  create by training and teaching;  arrange by systematic planning and united effort;  prepare for eating by applying heat
  • prepared - adj. equipped or prepared with necessary intellectual resources;  made ready or fit or suitable beforehand;  having made preparations
  • preponderance - noun exceeding in heaviness; having greater weight;  a superiority in numbers or amount;  superiority in power or influence
  • preponderant - adj. having superior power and influence
  • preponderate - verb weigh more heavily
  • preponderating - adj. having superior power and influence
  • prepuce - noun a fold of skin covering the tip of the penis;  a fold of skin covering the tip of the clitoris
  • presbyope - noun a person with presbyopia; someone who is farsighted resulting from the progressive loss with aging of the elasticity of the crystalline lens
  • presbyopia - noun farsightedness resulting from a reduced ability to focus caused by loss of elasticity of the crystalline lens with age
  • presbyopic - adj. able to see distant objects clearly
  • presbyterian - noun a follower of Calvinism as taught in the Presbyterian Church
  • prescott - noun a town in central Arizona
  • prescribe - verb issue commands or orders for
  • prescribed - adj. set down as a rule or guide;  formally laid down or imposed;  conforming to set usage, procedure, or discipline;  fixed or established especially by order or command
  • prescription - adj. available only with a doctor's written prescription; noun written instructions from a physician or dentist to a druggist concerning the form and dosage of a drug to be issued to a given patient;  written instructions for an optician on the lenses for a given person;  directions prescribed beforehand; the action of prescribing authoritative rules or directions;  a drug that is available only with written instructions from a doctor or dentist to a pharmacist
  • presence - noun the act of being present;  the impression that something is present;  the immediate proximity of someone or something;  an invisible spiritual being felt to be nearby;  the state of being present; current existence;  dignified manner or conduct
  • present - adj. temporal sense; intermediate between past and future; now existing or happening or in consideration;  spatial sense; being or existing in a specified place;  noun a verb tense that expresses actions or states at the time of speaking;  something presented as a gift;  the period of time that is happening now; any continuous stretch of time including the moment of speech;  verbbring forward and present to the mind;  formally present a debutante, a representative of a country, etc.;  hand over formally;  introduce; recognize with a gesture prescribed by a military regulation; assume a prescribed position;  cause to come to know personally;  deliver (a speech, oration, or idea);  present somebody with something, usually to accuse or criticize;  represent in a painting, drawing, sculpture, or verbally;  perform (a play), especially on a stage;  show or demonstrate something to an interested audience;  give as a present; make a gift of;  give, especially as an honor or reward
  • presentation - noun a show or display; the act of presenting something to sight or view;  the activity of formally presenting something (as a prize or reward);  (obstetrics) position of the fetus in the uterus relative to the birth canal;  the act of making something publicly available; presenting news or other information by broadcasting or printing it;  the act of presenting a proposal;  formally making a person known to another or to the public;  a visual representation of something
  • presented - adj. given formally or officially
  • presentiment - noun a feeling of evil to come
  • presently - adv. at this time or period; now;  in the near future
  • preservation - noun the activity of protecting something from loss or danger;  a process that saves organic substances from decay;  the condition of being (well or ill) preserved;  an occurrence of improvement by virtue of preventing loss or injury or other change
  • preservative - adj. tending or having the power to preserve;  noun a chemical compound that is added to protect against decay or decomposition
  • preserve - noun a reservation where animals are protected;  a domain that seems to be specially reserved for someone;  fruit preserved by cooking with sugar;  verb prevent (food) from rotting; keep undisturbed for personal or private use for hunting, shooting, or fishing;  to keep up and reserve for personal or special use;  keep in safety and protect from harm, decay, loss, or destruction;  keep or maintain in unaltered condition; cause to remain or last;  maintain in safety from injury, harm, or danger
  • preserved - adj. kept intact or in a particular condition;  prevented from decaying or spoiling and prepared for future use
  • preserves - noun fruit preserved by cooking with sugar
  • preserving - adj. saving from harm or loss
  • preside - verb act as president
  • president - noun the chief executive of a republic;  an executive officer of a firm or corporation;  the head administrative officer of a college or university;  the officer who presides at the meetings of an organization;  the office of the United States head of state;  the person who holds the office of head of state of the United States government
  • press - noun the act of pressing; the exertion of pressure;  a weightlift in which the barbell is lifted to shoulder height and then smoothly lifted overhead;  any machine that exerts pressure to form or shape or cut materials or extract liquids or compress solids;  a machine used for printing;  clamp to prevent wooden rackets from warping when not in use;  the gathering and publishing of news in the form of newspapers or magazines;  newspaper writers and photographers;  a tall piece of furniture that provides storage space for clothes; has a door and rails or hooks for hanging clothes;  a dense crowd of people;  the state of demanding notice or attention; verb place between two surfaces and apply weight or pressure; exert pressure or force to or upon;  make strenuous pushing movements during birth to expel the baby;  press from a plastic; create by pressing;  crowd closely;  be urgent;  ask for or request earnestly;  force or impel in an indicated direction;  lift weights; squeeze or press together;  press and smooth with a heated iron; exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for;  to be oppressive or burdensome
  • pressed - adj. compacted by ironing
  • pressing - adj. compelling immediate action;  noun a metal or plastic part that is made by a mechanical press;  the act of pressing; the exertion of pressure
  • pressure - noun a force that compels;  the somatic sensation that results from applying force to an area of skin;  the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit);  an oppressive condition of physical or mental or social or economic distress;  the act of pressing; the exertion of pressure;  the state of demanding notice or attention;  verb to cause to do through pressure or necessity, by physical, moral or intellectual means :"She forced him to take a job in the city";  exert pressure on someone through threats
  • presumable - adj. capable of being inferred on slight grounds
  • presumably - adv. by reasonable assumption
  • presume - verb take liberties or act with too much confidence; constitute reasonable evidence for;  take to be the case or to be true; accept without verification or proof;  take upon oneself; act presumptuously, without permission
  • presumption - noun a kind of discourtesy in the form of an act of presuming;  audacious (even arrogant) behavior that you have no right to;  (law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed;  an assumption that is taken for granted
  • presumptive - adj. affording reasonable grounds for belief or acceptance;  having a reasonable basis for belief or acceptance
  • preternatural - adj. surpassing the ordinary or normal;  existing outside of or not in accordance with nature
  • prevail - verb use persuasion successfully;  prove superior;  continue to exist;  be valid, applicable, or true;  be larger in number, quantity, power, status or importance
  • prevailing - adj. encountered generally especially at the present time;  most frequent or common
  • prevalence - noun the quality of prevailing generally; being widespread;  (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population;  a superiority in numbers or amount
  • prevalent - adj. encountered generally especially at the present time
  • prevent - verb prevent from doing something or being in a certain state;  keep from happening or arising; make impossible
  • prevention - noun the act of preventing
  • preventive - adj. preventing or contributing to the prevention of disease;  tending to prevent or hinder;  tending to ward off;  nounremedy that prevents or slows the course of an illness or disease; an agent or device intended to prevent conception;  any obstruction that impedes or is burdensome
  • previous - adj. just preceding something else in time or order;  too soon or too hasty;  (used especially of persons) of the immediate past
  • previously - adv. at an earlier time or formerly
  • prey - noun animal hunted or caught for food;  a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence;  verb profit from in an exploitatory manner;  prey on or hunt for
  • priapism - noun condition in which the penis is continually erect; usually painful and seldom with sexual arousal
  • price - noun the high value or worth of something;  value measured by what must be given or done or undergone to obtain something;  a monetary reward for helping to catch a criminal;  United States operatic soprano (born 1927);  the amount of money needed to purchase something;  cost of bribing someone;  the property of having material worth (often indicated by the amount of money something would bring if sold);  verb ascertain or learn the price of; determine the price of
  • prick - noun the act of puncturing with a small point;  obscene terms for penis;  insulting terms of address for people who are stupid or irritating or ridiculous;  a depression scratched or carved into a surface;  verb to cause a sharp emotional pain;  cause a stinging pain;  stab or urge on as if with a pointed stick;  make a small hole into, as with a needle or a thorn;  deliver a sting to;  raise;  cause a prickling sensation
  • pricking - noun the act of puncturing with a small point
  • prickling - adj. causing or experiencing a painful shivering feeling as from many tiny pricks;  noun a somatic sensation as from many tiny prickles
  • prickly - adj. having or covered with protective barbs or quills or spines or thorns or setae etc.;  very irritable
  • pride - noun unreasonable and inordinate self-esteem (personified as one of the deadly sins);  the trait of being spurred on by a dislike of falling below your standards;  a feeling of self-respect and personal worth;  satisfaction with your (or another's) achievements;  a group of lions;  verb be proud of
  • primarily - adv. of primary import;  for the most part
  • primary - adj. not derived from or reducible to something else; basic;  of first rank or importance or value; direct and immediate rather than secondhand;  of primary importance;  most important element;  of or being the essential or basic part;  noun a preliminary election where delegates or nominees are chosen;  one of the main flight feathers projecting along the outer edge of a bird's wing;  coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit
  • prime - adj. used of the first or originating agent;  being at the best stage of development;  of or relating to or being an integer that cannot be factored into other integers;  first in rank or degree;  of superior grade;  noun a number that has no factor but itself and 1; the time of maturity when power and vigor are greatest;  the second canonical hour; about 6 a.m.;  the period of greatest prosperity or productivity;  verb insert a primer into (a gun, mine, or charge) preparatory to detonation or firing;  fill with priming liquid;  cover with a primer; apply a primer to
  • primitive - adj. used of preliterate or tribal or nonindustrial societies; of or created by one without formal training; simple or naive in style; little evolved from or characteristic of an earlier ancestral type; belonging to an early stage of technical development; characterized by simplicity and (often) crudeness;  noun a word serving as the basis for inflected or derived forms;  a mathematical expression from which another expression is derived;  a person who belongs to an early stage of civilization
  • prince - noun a male member of a royal family other than the sovereign (especially the son of a sovereign)
  • principal - adj. most important element;  noun the major party to a financial transaction at a stock exchange; buys and sells for his own account;  the educator who has executive authority for a school; capital as contrasted with the income derived from it;  the original amount of a debt on which interest is calculated;  an actor who plays a principal role
  • principally - adv. for the most part
  • principle - noun a basic truth or law or assumption;  a rule or law concerning a natural phenomenon or the function of a complex system;  a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct;  a rule or standard especially of good behavior;  rule of personal conduct;  (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
  • print - noun a picture or design printed from an engraving;  a fabric with a dyed pattern pressed onto it (usually by engraved rollers);  a copy of a movie on film (especially a particular version of it);  the result of the printing process;  a printed picture produced from a photographic negative;  a visible indication made on a surface;  verbput into print;  write as if with print; not cursive;  reproduce by printing; make into a print; "print the negative"
  • printed - adj. written in print characters or produced by means of e.g. a printing press
  • prior - adj. earlier in time;  noun the head of a religious order; in an abbey the prior is next below the abbot
  • prism - noun optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image;  a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
  • prismatic - adj. exhibiting spectral colors formed by refraction of light through a prism;  of or relating to or resembling or constituting a prism
  • prismoid - noun a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms
  • prison - noun a correctional institution where persons are confined while on trial or for punishment;  a prisonlike situation; a place of seeming confinement
  • prisoner - noun a person who is confined; especially a prisoner of war
  • privacy - noun the quality of being secluded from the presence or view of others;  the condition of being concealed or hidden
  • private - adj. concerning things deeply private and personal; confined to particular persons or groups or providing privacy;  not expressed;  concerning one person exclusively;  noun an enlisted man of the lowest rank
  • privy - adj. (followed by `to') informed about something secret or not generally known;  hidden from general view or use;  noun a small outbuilding with a bench having holes through which a user can defecate;  a room or building equipped with one or more toilets
  • pro - adj. in favor of (an action or proposal etc.);  adv. favoring a proposition, opinion, etc.;  noun an argument in favor of a proposal; an athlete who plays for pay
  • probability - noun the quality of being probable; a probable event or the most probable event;  a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
  • probable - adj. apparently destined;  likely but not certain to be or become true or real;  noun an applicant likely to be chosen
  • probably - adv. with considerable certainty; without much doubt; easy to believe on the basis of available evidence
  • probate - noun the act of proving that an instrument purporting to be a will was signed and executed in accord with legal requirements;  a judicial certificate saying that a will is genuine and conferring on the executors the power to administer the estate;  verb establish the legal validity of (wills and other documents);  put a convicted person on probation by suspending his sentence
  • probe - noun an investigation conducted using a flexible surgical instrument to explore an injury or a body cavity;  an exploratory action or expedition;  a flexible slender surgical instrument used to explore wounds or body cavities;  an inquiry into unfamiliar or questionable activities;  verb question or examine thoroughly and closely;  examine physically with or as if with a probe
  • probing - adj. diligent and thorough in inquiry or investigation
  • problem - noun a question raised for consideration or solution;  a state of difficulty that needs to be resolved;  a source of difficulty
  • problematic - adj. making great mental demands; hard to comprehend or solve or believe;  open to doubt or debate
  • proboscis - noun a long flexible snout as of an elephant;  the human nose (especially when it is large)
  • procedure - noun a mode of conducting legal and parliamentary proceedings;  a particular course of action intended to achieve a result;  a process or series of acts especially of a practical or mechanical nature involved in a particular form of work;  a set sequence of steps, part of larger computer program
  • proceed - verb follow a certain course;  move ahead; travel onward in time or space;  continue talking;  follow a procedure or take a course;  continue a certain state, condition, or activity
  • proceeding - noun (law) the institution of a sequence of steps by which legal judgments are invoked
  • proceedings - noun (law) the institution of a sequence of steps by which legal judgments are invoked;  a written account of what transpired at a meeting
  • proceeds - noun the income or profit arising from such transactions as the sale of land or other property
  • process - noun a sustained phenomenon or one marked by gradual changes through a series of states;  a natural prolongation or projection from a part of an organism either animal or plant; (psychology) the performance of some composite cognitive activity; an operation that affects mental contents;  a mental process that you are not directly aware of;  a particular course of action intended to achieve a result;  a writ issued by authority of law; usually compels the defendant's attendance in a civil suit; failure to appear results in a default judgment against the defendant;  verb subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition;  perform mathematical and logical operations on (data) according to programmed instructions in order to obtain the required information;  deal with in a routine way;  deliver a warrant or summons to someone;  shape, form, or improve a material;  march in a procession;  institute legal proceedings against; file a suit against
  • procreation - noun the sexual activity of conceiving and bearing offspring
  • proctitis - noun inflammation of the rectum; marked by bloody stools and a frequent urge to defecate; frequently associated with Crohn's disease or ulcerative colitis
  • proctoscope - noun an endoscope for examining the rectum
  • procure - verb get by special effort;  arrange for sexual partners for others
  • prodromal - adj. symptomatic of the onset of an attack or a disease
  • prodrome - noun an early symptom that a disease is developing or that an attack is about to occur
  • produce - noun fresh fruits and vegetable grown for the market; verb create or manufacture a man-made product;  bring forth or yield;  cause to happen, occur or exist;  bring out for display;  bring onto the market or release;  come to have or undergo a change of (physical features and attributes);  cultivate by growing, often involving improvements by means of agricultural techniques
  • produced - adj. that is caused by
  • product - noun an artifact that has been created by someone or some process;  a quantity obtained by multiplication;  a consequence of someone's efforts or of a particular set of circumstances;  a chemical substance formed as a result of a chemical reaction; commodities offered for sale;  the set of elements common to two or more sets
  • production - noun (law) the act of exhibiting in a court of law;  the act or process of producing something;  the creation of value or wealth by producing goods and services;  (economics) manufacturing or mining or growing something (usually in large quantities) for sale;  a presentation for the stage or screen or radio or television;  a display that is exaggerated or unduly complicated;  an artifact that has been created by someone or some process;  the quantity of something (as a commodity) that is created (usually within a given period of time)
  • productive - adj. producing or capable of producing (especially abundantly);  yielding positive results;  marked by great fruitfulness; having the ability to produce or originate
  • prof - noun someone who is a member of the faculty at a college or university
  • profession - noun an occupation requiring special education (especially in the liberal arts or sciences);  affirmation of acceptance of some religion or faith;  an open avowal (true or false) of some belief or opinion;  the body of people in a learned occupation
  • professional - adj. engaged in a profession or engaging in as a profession or means of livelihood;  characteristic of or befitting a profession or one engaged in a profession;  engaged in by members of a profession;  of or relating to a profession;  of or relating to or suitable as a profession;  noun a person engaged in one of the learned professions;  an athlete who plays for pay;  an authority qualified to teach apprentices
  • professor - noun someone who is a member of the faculty at a college or university
  • profit - noun the advantageous quality of being beneficial;  the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses);  verb make a profit; gain money or materially;  derive a benefit from
  • profitable - adj. promoting benefit or gain;  yielding material gain or profit;  providing profit;  productive of profit
  • profligacy - noun dissolute indulgence in sensual pleasure;  the trait of spending extravagantly
  • profound - adj. situated at or extending to great depth; too deep to have been sounded or plumbed;  coming from deep within one;  of the greatest intensity; complete;  showing intellectual penetration or emotional depths; from the depths of your being;  (of sleep) deep and complete;  far-reaching and thoroughgoing in effect especially on the nature of something
  • profoundly - adv. to a great depth psychologically
  • profuse - adj. produced or growing in extreme abundance
  • profusely - adv. in an abundant manner
  • profusion - noun the property of being extremely abundant
  • progenitor - noun an ancestor in the direct line
  • progeny - noun the immediate descendants of a person
  • prognathic - adj. having a projecting lower jaw
  • prognathous - adj. having a projecting lower jaw
  • prognosis - noun a prediction of the course of a disease;  a prediction about how something (as the weather) will develop
  • prognostic - adj. of or relating to prediction; having value for making predictions;  noun a sign of something about to happen
  • prognosticate - verb indicate by signs;  make a prediction about; tell in advance
  • prognostication - noun knowledge of the future (usually said to be obtained from a divine source);  a statement made about the future; a sign of something about to happen
  • program - noun a performance (or series of performances) at a public presentation;  a system of projects or services intended to meet a public need;  (computer science) a sequence of instructions that a computer can interpret and execute;  an announcement of the events that will occur as part of a theatrical or sporting event;  a series of steps to be carried out or goals to be accomplished;  a document stating the aims and principles of a political party;  a radio or television show;  an integrated course of academic studies;  verbarrange a program of or for;  write a computer program
  • progress - noun the act of moving forward toward a goal;  a movement forward;  gradual improvement or growth or development; verb develop in a positive way;  form or accumulate steadily;  move forward, also in the metaphorical sense
  • progression - noun a series with a definite pattern of advance;  the act of moving forward toward a goal;  a movement forward
  • progressive - adj. advancing in severity;  favoring or promoting reform (often by government action);  favoring or promoting progress;  (of taxes) adjusted so that the rate increases as the amount of income increases;  gradually advancing in extent;  noun a tense of verbs used in describing action that is on-going;  a person who favors a political philosophy of progress and reform and the protection of civil liberties
  • progressively - adv. advancing in amount or intensity
  • prohibit - verb command against
  • prohibited - adj. forbidden by law;  excluded from use or mention
  • project - noun a planned undertaking;  any piece of work that is undertaken or attempted;  verb present for consideration;  regard as objective;  communicate vividly;  transfer (ideas or principles) from one domain into another;  throw, send, or cast forward;  put or send forth;  draw a projection of;  project on a screen;  cause to be heard; imagine; conceive of; see in one's mind;  make or work out a plan for; devise;  extend out or project in space
  • projected - adj. planned for the future;  extending out above or beyond a surface or boundary
  • projectile - adj. impelling or impelled forward;  noun a weapon that is forcibly thrown or projected at a targets but is not self-propelled;  any vehicle self-propelled by a rocket engine
  • projecting - adj. extending out above or beyond a surface or boundary
  • projection - noun any structure that branches out from a central support;  the representation of a figure or solid on a plane as it would look from a particular direction;  a prediction made by extrapolating from past observations;  the projection of an image from a film onto a screen;  the acoustic phenomenon that gives sound a penetrating quality;  (psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else;  any solid convex shape that juts out from something;  the act of expelling or projecting or ejecting;  the act of projecting out from something;  a planned undertaking
  • prolapse - noun the slipping or falling out of place of an organ (as the uterus);  verb slip or fall out of place, as of body parts
  • prolapsus - noun the slipping or falling out of place of an organ (as the uterus)
  • proliferate - verb cause to grow or increase rapidly;  grow rapidly
  • proliferation - noun growth by the rapid multiplication of parts;  a rapid increase in number (especially a rapid increase in the number of deadly weapons)
  • prolific - adj. bearing in abundance especially offspring; intellectually productive
  • prolong - verb lengthen in time; cause to be or last longer;  lengthen or extend in duration or space
  • prolongation - noun the act of prolonging something;  the consequence of being lengthened in duration;  amount or degree or range to which something extends
  • prolonged - adj. (of illness) developing slowly or of long duration; drawn out or made longer spatially;  relatively long in duration; tediously protracted
  • prom - noun a formal ball held for a school class toward the end of the academic year
  • prominence - noun relative importance;  the state of being prominent: widely known or eminent;  something that bulges out or is protuberant or projects from its surroundings
  • prominent - adj. conspicuous in position or importance;  having a quality that thrusts itself into attention
  • prominently - adv. in a prominent way
  • promiscuously - adv. in an indiscriminate manner;  in a licentious and promiscuous manner
  • promise - noun grounds for feeling hopeful about the future;  a verbal commitment by one person to another agreeing to do (or not to do) something in the future;  verb make a promise or commitment; promise to undertake or give;  give grounds for expectations;  make a prediction about; tell in advance
  • promised - adj. assured by (usually) spoken agreement
  • promising - adj. showing possibility of achievement or excellence; full or promise
  • promontory - noun a natural elevation (especially a rocky one that juts out into the sea)
  • promote - verb change a pawn for a king by advancing it to the eighth row, or change a checker piece for a more valuable piece by moving it the row closest to your opponent;  be changed for a superior chess or checker piece;  give a promotion to or assign to a higher position;  contribute to the progress or growth of;  make publicity for; try to sell (a product)
  • promotion - noun act of raising in rank or position;  a message issued in behalf of some product or cause or idea or person or institution;  encouragement of the progress or growth or acceptance of something;  the advancement of some enterprise
  • prompt - adj. quick in apprehending or reacting;  characterized by speed and efficiency;  performed with little or no delay;  according to schedule or without delay;  noun (computer science) a symbol that appears on the computer screen to indicate that the computer is ready to receive a command;  a cue given to a performer (usually the beginning of the next line to be spoken);  verb serve as the inciting cause of;  assist (somebody acting or reciting) by suggesting the next words of something forgotten or imperfectly learned;  give an incentive for action
  • promptitude - noun the characteristic of doing things without delay
  • promptly - adv. in a punctual manner;  at once (usually modifies an undesirable occurrence);  with little or no delay
  • promptness - noun the characteristic of doing things without delay; the quality or habit of adhering to an appointed time
  • pronation - noun rotation of the hands and forearms so that the palms face downward
  • pronator - noun a muscle that produces or assists in pronation
  • prone - adj. lying face downward;  having a tendency (to); often used in combination
  • proneness - noun being disposed to do something
  • pronounced - adj. produced by the organs of speech;  strongly marked; easily noticeable
  • proof - adj. (used in combination or as a suffix) able to withstand; noun a trial photographic print from a negative;  any factual evidence that helps to establish the truth of something;  (printing) an impression made to check for errors;  a formal series of statements showing that if one thing is true something else necessarily follows from it;  a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume);  the act of validating; finding or testing the truth of something;  verb make resistant (to harm);  activate by mixing with water and sometimes sugar or milk;  knead to reach proper lightness;  make or take a proof of, such as a photographic negative, an etching, or typeset;  read for errors
  • prop - noun a support placed beneath or against something to keep it from shaking or falling;  a propeller that rotates to push against air; any movable articles or objects used on the set of a play or movie; verb support by placing against something solid or rigid
  • propagation - noun the spreading of something (a belief or practice) into new regions;  the movement of a wave through a medium;  the act of producing offspring or multiplying by such production
  • propel - verb cause to move forward with force;  give an incentive for action
  • propelling - adj. tending to or capable of propelling
  • proper - adj. appropriate for a condition or purpose or occasion or a person's character, needs;  marked by suitability or rightness or appropriateness;  having all the qualities typical of the thing specified
  • properly - adv. in the right manner;  with reason or justice
  • property - noun any movable articles or objects used on the set of a play or movie;  a basic or essential attribute shared by all members of a class;  a construct whereby objects or individuals can be distinguished;  something owned; any tangible or intangible possession that is owned by someone;  any area set aside for a particular purpose
  • prophylactic - adj. preventing or contributing to the prevention of disease;  tending to ward off;  capable of preventing conception or impregnation;  noun contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse; remedy that prevents or slows the course of an illness or disease
  • prophylaxis - noun the prevention of disease
  • propitious - adj. presenting favorable circumstances; likely to result in or show signs or success
  • proportion - noun harmonious arrangement or relation of parts or elements within a whole (as in a design);  magnitude or extent;  the quotient obtained when the magnitude of a part is divided by the magnitude of the whole;  balance among the parts of something; verb adjust in size relative to other things;  give pleasant proportions to
  • proportional - adj. properly related in size or degree or other measurable characteristics; usually followed by `to';  having a constant ratio;  (of taxes) increasing as the amount taxed increases; noun one of the quantities in a mathematical proportion
  • proportionally - adv. to a proportionate degree
  • proportionate - adj. being in due proportion;  agreeing in amount, magnitude, or degree;  exhibiting equivalence or correspondence among constituents of an entity or between different entities
  • proportionately - adv. in proportion;  to a proportionate degree;  in proportion
  • propose - verb make a proposal, declare a plan for something;  ask (someone) to marry you;  present for consideration;  propose or intend;  put forward; nominate for appointment to an office
  • proposed - adj. planned for the future
  • proposition - noun a task to be dealt with;  (logic) a statement that affirms or denies something and is either true or false;  an offer for a private bargain (especially a request for sexual favors);  the act of making a proposal;  a proposal offered for acceptance or rejection; verb suggest sex to
  • proprietary - adj. protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights; noun an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits
  • propriety - noun correct or appropriate behavior
  • propulsion - noun the act of propelling;  a propelling force
  • propyl - noun the monovalent organic group C3H7- obtained from propane
  • proscribed - adj. excluded from use or mention
  • prosecution - noun the institution and conduct of legal proceedings against a defendant for criminal behavior;  the lawyers acting for the state to put the case against the defendant;  the continuance of something begun with a view to its completion
  • prospect - noun the possibility of future success;  a prediction of the course of a disease;  the visual percept of a region;  belief about (or mental picture of) the future;  someone who is considered for something (for an office or prize or honor etc.);  verb explore for useful or valuable things or substances, such as minerals;  search for something desirable
  • prospective - adj. anticipated for the near future;  concerned with or related to the future
  • prostate - adj. relating to the prostate gland;  noun a firm partly muscular chestnut sized gland in males at the neck of the urethra; produces a viscid secretion that is the fluid part of semen
  • prostatectomy - noun surgical removal of part or all of the prostate gland
  • prostatic - adj. relating to the prostate gland
  • prostatitis - noun inflammation of the prostate gland characterized by perineal pain and irregular urination and (if severe) chills and fever
  • prosthetic - adj. relating to or serving as a prosthesis;  of or relating to prosthetics
  • prostitute - noun a woman who engages in sexual intercourse for money;  verb sell one's body; exchange sex for money
  • prostrate - adj. stretched out and lying at full length along the ground;  lying face downward;  verb render helpless or defenseless; throw down flat, as on the ground;  get into a prostrate position, as in submission
  • prostration - noun the act of assuming a prostrate position;  abject submission; the emotional equivalent of prostrating your body;  a condition marked by dizziness and nausea and weakness caused by depletion of body fluids and electrolytes
  • protean - adj. taking on different forms
  • protect - verb shield from danger, injury, destruction, or damage; use tariffs to favor domestic industry
  • protected - adj. guarded from injury or destruction;  kept safe or defended from danger or injury or loss
  • protecting - adj. shielding (or designed to shield) against harm or discomfort
  • protection - noun payment extorted by gangsters on threat of violence;  the activity of protecting someone or something;  the imposition of duties or quotas on imports in order to protect domestic industry against foreign competition;  the condition of being protected;  kindly endorsement and guidance;  a covering that is intend to protect from damage or injury;  defense against financial failure; financial independence
  • protective - adj. (usually followed by `of') solicitously caring or mindful;  intended or adapted to afford protection of some kind; showing a care
  • protector - noun a person who cares for persons or property
  • protein - noun any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
  • proteolysis - noun the hydrolysis of proteins into peptides and amino acids by cleavage of their peptide bonds
  • proteolytic - adj. of or relating to proteolysis
  • protest - noun the act of protesting; a public (often organized) manifestation of dissent;  a formal and solemn declaration of objection;  the act of making a strong public expression of disagreement and disapproval;  verb utter words of protest;  affirm or avow formally or solemnly;  express opposition through action or words
  • proteus - noun type genus of the Proteidae;  (Greek mythology) a prophetic god who served Poseidon; was capable of changing his shape at will
  • proto - adj. indicating the first or earliest or original
  • protoplasm - noun the substance of a living cell (including cytoplasm and nucleus)
  • prototype - noun a standard or typical example
  • protozoa - noun in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers
  • protozoal - adj. of or relating to the Protozoa
  • protozoan - adj. of or relating to the Protozoa;  noun any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
  • protozoon - noun any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
  • protract - verb lengthen in time; cause to be or last longer
  • protracted - adj. relatively long in duration; tediously protracted
  • protrude - verb swell or protrude outwards;  bulge outward;  extend out or project in space
  • protruding - adj. extending out above or beyond a surface or boundary
  • protrusion - noun the act of projecting out from something; something that bulges out or is protuberant or projects from its surroundings
  • protuberance - noun the condition of being protuberant; the condition of bulging out;  something that bulges out or is protuberant or projects from its surroundings
  • protuberant - adj. curving outward
  • prove - verb establish the validity of something, as by an example, explanation or experiment;  prove formally; demonstrate by a mathematical, formal proof;  obtain probate of;  take a trial impression of;  be shown or be found to be;  provide evidence for;  cause to puff up with a leaven;  increase in volume;  put to the test, as for its quality, or give experimental use to
  • proved - adj. established beyond doubt
  • proven - adj. established beyond doubt
  • proverbially - adv. in the manner of something that has become a byword
  • provide - verb take measures in preparation for;  determine (what is to happen in certain contingencies), especially by including a proviso condition or stipulation;  provide what is desired or needed, especially support, food or sustenance;  supply means of subsistence; earn a living;  provide or furnish with;  mount or put up; make a possibility or provide opportunity for; permit to be attainable or cause to remain
  • providence - noun the guardianship and control exercised by a deity;  the prudence and care exercised by someone in the management of resources;  the capital and largest city of Rhode Island; located in northeastern Rhode Island on Narragansett Bay; site of Brown University;  a manifestation of God's foresightful care for his creatures
  • province - noun the proper sphere or extent of your activities;  the territory occupied by one of the constituent administrative districts of a nation
  • provision - noun the activity of supplying or providing something;  a stipulated condition;  a store or supply of something (especially of food or clothing or arms);  the cognitive process of thinking about what you will do in the event of something happening;  verb supply with provisions
  • provisional - adj. under terms not final or fully worked out or agreed upon
  • provisions - noun a stock or supply of foods
  • provocation - noun needed encouragement;  unfriendly behavior that causes anger or resentment;  something that incites or provokes; a means of arousing or stirring to action
  • provocative - adj. serving or tending to provoke, excite, or stimulate; stimulating discussion or exciting controversy;  exciting sexual desire
  • provoke - verb provide the needed stimulus for;  evoke or provoke to appear or occur;  call forth (emotions, feelings, and responses); annoy continually or chronically
  • provoked - adj. incited, especially deliberately, to anger
  • prox - adj. in or of the next month after the present
  • proxima - noun the nearest star to the sun; distance: 4.3 light years
  • proximal - adj. situated nearest to point of attachment or origin
  • proximate - adj. very close in space or time;  closest in degree or order (space or time) especially in a chain of causes and effects
  • proximity - noun the property of being close together;  a Gestalt principle of organization holding that (other things being equal) objects or events that are near to one another (in space or time) are perceived as belonging together as a unit;  the region close around a person or thing
  • prudence - noun discretion in practical affairs;  knowing how to avoid embarrassment or distress
  • prudent - adj. careful and sensible; marked by sound judgment
  • prudential - adj. arising from or characterized by prudence especially in business matters
  • prune - noun dried plum;  verb weed out unwanted or unnecessary things;  cultivate, tend, and cut back the growth of
  • prunus - noun a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions
  • prurigo - noun chronic inflammatory disease of the skin characterized by blister capped papules and intense itching
  • pruritus - noun an intense itching sensation that can have various causes (as by allergies or infection or lymphoma or jaundice etc.)
  • prussia - noun a former kingdom in north-central Europe including present-day northern Germany and northern Poland
  • prussian - adj. of or relating to or characteristic of Prussia or its inhabitants;  noun a German inhabitant of Prussia
  • psammoma - noun a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
  • pseudo - adj. (often used in combination) not genuine but having the appearance of;  noun a person who makes deceitful pretenses
  • pseudocyesis - noun physiological state in which a woman exhibits symptoms of pregnancy but is not pregnant
  • psilosis - noun falling out of hair
  • psoas - noun either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh
  • psoriasis - noun a chronic skin disease characterized by dry red patches covered with scales; occurs especially on the scalp and ears and genitalia and the skin over bony prominences
  • psychic - adj. outside the sphere of physical science;  affecting or influenced by the human mind;  noun a person apparently sensitive to things beyond the natural range of perception
  • psychical - adj. outside the sphere of physical science;  affecting or influenced by the human mind
  • psychogenic - adj. mental or emotional rather than physiological in origin;  of or relating to the psychological cause of a disorder
  • psychoneurosis - noun a mental or personality disturbance not attributable to any known neurological or organic dysfunction
  • psychopathic - adj. suffering from an undiagnosed mental disorder
  • psychosis - noun any severe mental disorder in which contact with reality is lost or highly distorted
  • psychotic - adj. characteristic of or suffering from psychosis;  noun a person afflicted with psychosis
  • pt - noun a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
  • pterocarpus - noun genus of tropical trees or climbers having usually broadly winged pods
  • pterygium - noun either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula
  • ptomain - noun any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria
  • ptosis - noun drooping of the upper eyelid caused by muscle paralysis and weakness
  • ptyalin - noun an amylase secreted in saliva
  • ptyalism - noun excessive flow of saliva
  • pu - noun a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
  • puberty - noun the time of life when sex glands become functional
  • pubes - noun the lower part of the abdomen just above the external genital organs
  • pubic - adj. relating or near the pubis
  • pubis - noun one of the three sections of the hipbone; together these two bones form the front of the pelvis
  • public - adj. affecting the people or community as a whole;  not private; open to or concerning the people as a whole;  noun a body of people sharing some common interest;  people in general considered as a whole
  • publication - noun the business of issuing printed matter for sale or distribution;  the communication of something to the public; making information generally known;  a copy of a printed work offered for distribution;  the act of issuing printed materials
  • published - adj. prepared and printed for distribution and sale; formally made public
  • publishing - noun the business of issuing printed matter for sale or distribution
  • puce - noun a color varying from dark purplish brown to dark red
  • pudding - noun any of various soft sweet desserts thickened usually with flour and baked or boiled or steamed;  (British) the dessert course of a meal (`pud' is used informally);  any of various soft thick unsweetened baked dishes
  • puddle - noun a mixture of wet clay and sand that can be used to line a pond and that is impervious to water when dry;  something resembling a pool of liquid;  a small body of standing water (rainwater) or other liquid;  verb make a puddle by splashing water; mess around, as in a liquid or paste;  work a wet mixture, such as concrete or mud;  dip into mud before planting;  subject to puddling or form by puddling;  wade or dabble in a puddle;  eliminate urine;  mix up or confuse;  make into a puddle
  • puerile - adj. of or characteristic of a child;  displaying or suggesting a lack of maturity
  • puerperal - adj. relating to or connected with or occurring at the time of childbirth or shortly following, or to the woman who has just given birth
  • puerperium - noun time period following childbirth when the mother's uterus shrinks and the other functional and anatomic changes of pregnancy are resolved
  • puff - adj. gathered for protruding fullness;  noun a slow inhalation (as of tobacco smoke);  exaggerated praise (as for promotional purposes);  a light inflated pastry or puff shell;  a short light gust of air;  forceful exhalation through the nose or mouth;  thick cushion used as a seat;  a soft spherical object made from fluffy fibers; for applying powder to the skin;  bedding made of two layers of cloth filled with stuffing and stitched together;  verb blow hard and loudly; to swell or cause to enlarge, "Her faced puffed up from the drugs"; speak in a blustering or scornful manner;  praise extravagantly; smoke and exhale strongly;  suck in or take (air);  make proud or conceited;  breathe noisily, as when one is exhausted
  • puffed - adj. abnormally distended especially by fluids or gas; gathered for protruding fullness
  • puffiness - noun lack of elegance as a consequence of being pompous and puffed up with vanity;  abnormal protuberance or localized enlargement
  • puffing - noun an act of forcible exhalation;  blowing tobacco smoke out into the air
  • puffy - adj. blowing in puffs or short intermittent blasts;  abnormally distended especially by fluids or gas;  being puffed out; used of hair style or clothing
  • puking - noun the reflex act of ejecting the contents of the stomach through the mouth
  • pul - noun 100 puls equal 1 afghani in Afghanistan
  • pull - noun the act of pulling; applying force to move something toward or with you;  a sustained effort;  a device used for pulling something;  special advantage or influence;  the force used in pulling; a slow inhalation (as of tobacco smoke);  a sharp strain on muscles or ligaments;  verb strain abnormally;  take away;  hit in the direction that the player is facing when carrying through the swing;  cause to move by pulling;  apply force so as to cause motion towards the source of the motion;  rein in to keep from winning a race;  operate when rowing a boat;  steer into a certain direction;  move into a certain direction;  cause to move in a certain direction by exerting a force upon, either physically or in an abstract sense;  take sides with; align oneself with; show strong sympathy for;  remove, usually with some force or effort; also used in an abstract sense;  strip of feathers;  direct toward itself or oneself by means of some psychological power or physical attributes;  tear or be torn violently; bring, take, or pull out of a container or from under a cover;  perform an act, usually with a negative connotation
  • pulled - adj. drawn toward the source of the force
  • puller - noun someone who pulls or tugs or drags in an effort to move something;  someone who applies force so as to cause motion toward herself or himself
  • pulley - noun a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
  • pulling - noun the act of pulling; applying force to move something toward or with you
  • pulmonary - adj. relating to or affecting the lungs
  • pulmonic - adj. relating to or affecting the lungs
  • pulp - noun the soft inner part of a tooth;  an inexpensive magazine printed on poor quality paper;  any soft or soggy mass;  a soft moist part of a fruit;  a mixture of cellulose fibers;  verb reduce to pulp; remove the pulp from, as from a fruit
  • pulpit - noun a platform raised above the surrounding level to give prominence to the person on it
  • pulpy - adj. like a pulp or overripe; not having stiffness
  • pulsate - verb expand and contract rhythmically; beat rhythmically; move with or as if with a regular alternating motion;  produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
  • pulsatilla - noun includes a group of plants that in some classifications are included in the genus Anemone: pasqueflowers
  • pulsating - adj. expanding and contracting rhythmically as to the beating of the heart
  • pulsation - noun (electronics) a sharp transient wave in the normal electrical state (or a series of such transients);  a periodically recurring phenomenon that alternately increases and decreases some quantity;  the rhythmic contraction and expansion of the arteries with each beat of the heart
  • pulse - noun the rhythmic contraction and expansion of the arteries with each beat of the heart;  edible seeds of various pod-bearing plants (peas or beans or lentils etc.);  the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health;  (electronics) a sharp transient wave in the normal electrical state (or a series of such transients);  verb produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses;  drive by or as if by pulsation; expand and contract rhythmically; beat rhythmically
  • pulse rate - noun the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health
  • pulseless - adj. appearing dead; not breathing or having no perceptible pulse
  • pulverized - adj. consisting of fine particles
  • pumice - noun a light glass formed on the surface of some lavas; used as an abrasive;  verb rub with pumice, in order to clean or to smoothen
  • pumice stone - noun a light glass formed on the surface of some lavas; used as an abrasive
  • pump - noun a mechanical device that moves fluid or gas by pressure or suction;  a low-cut shoe without fastenings;  the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body;  verbquestion persistently;  deliver forth;  operate like a pump; move up and down, like a handle or a pedal;  raise (gases or fluids) with a pump;  move up and down;  draw or pour with a pump;  flow intermittently;  supply in great quantities
  • pumped - adj. tense with excitement and enthusiasm as from a rush of adrenaline
  • pumpkin - noun usually large pulpy deep-yellow round fruit of the squash family maturing in late summer or early autumn;  a coarse vine widely cultivated for its large pulpy round orange fruit with firm orange skin and numerous seeds; subspecies of Cucurbita pepo include the summer squashes and a few autumn squashes
  • punch - noun (boxing) a blow with the fist;  a tool for making holes or indentations;  an iced mixed drink usually containing alcohol and prepared for multiple servings; normally served in a punch bowl; verb deliver a quick blow to;  make a hole into or between, as for ease of separation;  drive forcibly as if by a punch
  • punctum - noun (anatomy) a point or small area
  • puncture - noun the act of puncturing or perforating;  a small hole made by a sharp object;  loss of air pressure in a tire when a hole is made by some sharp object;  verb be pierced or punctured;  cause to lose air pressure or collapse by piercing;  pierce with a pointed object; make a hole into;  make by piercing;  reduce or lessen the size or importance of
  • punctured - adj. having a hole cut through
  • pungent - adj. strong and sharp; "the pungent taste of radishes"; capable of wounding
  • punica - noun coextensive with the family Punicaceae
  • punishment - noun the act of punishing
  • puny - adj. (used especially of persons) of inferior size;  inferior in strength or significance
  • pupa - noun an insect in the inactive stage of development (when it is not feeding) intermediate between larva and adult
  • pupal - adj. of the insects in the chrysalis (cocoon) or post larval stage
  • pupil - noun contractile aperture in the iris of the eye;  a young person attending school (up through senior high school);  a learner who is enrolled in an educational institution
  • pupillary - adj. of or relating to the pupil of the eye
  • purchase - noun the acquisition of something for payment;  a means of exerting influence or gaining advantage;  something acquired by purchase;  the mechanical advantage gained by being in a position to use a lever;  verb obtain by purchase; acquire by means of a financial transaction
  • purchaser - noun a person who buys
  • pure - adj. in a state of sexual virginity;  concerned with theory and data rather than practice; opposed to applied;  free from discordant qualities;  (used of persons or behaviors) having no faults; sinless; free of extraneous elements of any kind;  (of color) being chromatically pure; not diluted with white or grey or black;  without qualification; used informally as (often pejorative) intensifiers
  • puree - noun food prepared by cooking and straining or processed in a blender;  verb rub through a strainer or process in an electric blender
  • purely - adv. restricted to something
  • purgation - noun the act of clearing yourself (or another) from some stigma or charge;  a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites;  purging the body by the use of a cathartic to stimulate evacuation of the bowels
  • purgative - adj. strongly laxative;  noun a purging medicine; stimulates evacuation of the bowels
  • purge - noun an act of removing by cleansing; ridding of sediment or other undesired elements;  the act of clearing yourself (or another) from some stigma or charge;  verb excrete or evacuate (someone's bowels or body);  rid of impurities;  clear of a charge;  oust politically; eject the contents of the stomach through the mouth;  rinse, clean, or empty with a liquid;  make pure or free from sin or guilt
  • purging - adj. serving to purge or rid of sin;  noun an act of removing by cleansing; ridding of sediment or other undesired elements;  the act of clearing yourself (or another) from some stigma or charge
  • purification - noun the act of purging of sin or guilt; moral or spiritual cleansing;  a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites;  the act of cleaning by getting rid of impurities;  the process of removing impurities (as from oil or metals or sugar etc.)
  • purified - adj. made pure
  • purify - verb remove impurities from, increase the concentration of, and separate through the process of distillation;  make pure or free from sin or guilt;  become clean or pure or free of guilt and sin
  • purifying - adj. freeing from noxious matter;  acting like an antiseptic;  serving to purge or rid of sin
  • purity - noun the state of being unsullied by sin or moral wrong; lacking a knowledge of evil;  being undiluted or unmixed with extraneous material;  a woman's virtue or chastity
  • purple - adj. of a color intermediate between red and blue; belonging to or befitting a supreme ruler;  excessively elaborate or showily expressed;  noun a purple color or pigment;  of imperial status;  verb color purple;  become purple
  • purple-red - adj. of red tinged with purple
  • purplish - adj. of a color intermediate between red and blue
  • purplish-red - adj. of red tinged with purple
  • purpose - noun an anticipated outcome that is intended or that guides your planned actions;  the quality of being determined to do or achieve something;  what something is used for;  verb reach a decision;  propose or intend
  • purposeful - adj. having meaning through having an aim;  serving as or indicating the existence of a purpose or goal
  • purposely - adv. with intention; in an intentional manner
  • purposive - adj. having or showing or acting with a purpose or design;  having a purpose
  • purpura - noun any of several blood diseases causing subcutaneous bleeding
  • purse string - noun a drawstring used to close the mouth of a purse
  • pursuance - noun the continuance of something begun with a view to its completion;  a search for an alternative that meets cognitive criteria
  • pursue - verb follow in or as if in pursuit;  carry further or advance; go in search of or hunt for;  carry out or participate in an activity; be involved in
  • pursued - adj. followed with enmity as if to harm;  noun a person who is being chased
  • pursuing - adj. following in order to overtake or capture or as accompaniment to such pursuit
  • pursuit - noun the act of pursuing in an effort to overtake or capture; a search for an alternative that meets cognitive criteria;  a diversion that occupies one's time and thoughts (usually pleasantly);  an auxiliary activity
  • purulency - noun symptom of being purulent (containing or forming pus)
  • purulent - adj. "a purulent wound"
  • pus - noun a fluid product of inflammation;  the tenth month of the Hindu calendar
  • push - noun the act of applying force in order to move something away;  an effort to advance;  the force used in pushing;  an electrical switch operated by pressing;  enterprising or ambitious drive;  verbpress, drive, or impel (someone) to action or completion of an action;  move with force, "He pushed the table into a corner";  press against forcefully without moving;  move strenuously and with effort; approach a certain age or speed;  sell or promote the sale of (illegal goods such as drugs);  make publicity for; try to sell (a product); make strenuous pushing movements during birth to expel the baby; strive and make an effort to reach a goal;  exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for
  • pushing - adj. marked by aggressive ambition and energy and initiative;  noun the act of applying force in order to move something away
  • pussy - adj. "a purulent wound";  noun informal terms referring to a domestic cat;  obscene terms for female genitals
  • pustule - noun a small inflamed elevation of skin containing pus; a blister filled with pus
  • put - noun the option to sell a given stock (or stock index or commodity future) at a given price before a given date;  verb attribute or give;  cause to be in a certain state; cause to be in a certain relation;  put into a certain place or abstract location;  adapt;  cause (someone) to undergo something;  estimate;  arrange thoughts, ideas, temporal events;  formulate in a particular style or language; make an investment
  • putrefaction - noun a state of decay usually accompanied by an offensive odor;  moral perversion; impairment of virtue and moral principles;  (biology) the process of decay caused by bacterial or fungal action
  • putrefactive - adj. causing or promoting bacterial putrefaction
  • putrefy - verb become putrid; decay with an offensive smell
  • putrescent - adj. becoming putrid
  • putrescible - adj. liable to decay or spoil or become putrid
  • putrid - adj. morally corrupt or evil;  in an advanced state of decomposition and having a foul odor;  of or relating to or attended by putrefaction
  • putting - noun hitting a golf ball that is on the green using a putter
  • puzzle - noun a toy that tests your ingenuity;  a particularly baffling problem that is said to have a correct solution;  verb be uncertain about; think about without fully understanding or being able to decide;  be a mystery or bewildering to
  • pyelitis - noun inflammation of the renal pelvis
  • pyelonephritis - noun inflammation of the kidney and its pelvis caused by bacterial infection
  • pyemia - noun septicemia caused by pus-forming bacteria being released from an abscess
  • pyemic - adj. of or relating to pyemia
  • pyle - noun United States writer and illustrator of children's books (1853-1911)
  • pyloric - adj. relating to or near the pylorus
  • pylorus - noun a small circular opening between the stomach and the duodenum
  • pyocyanase - noun a yellow-green mixture of antibiotics obtained from the bacillus of green pus
  • pyogenic - adj. producing pus
  • pyorrhea - noun chronic periodontitis; purulent inflammation of the teeth sockets;  discharge of pus
  • pyorrhoea - noun chronic periodontitis; purulent inflammation of the teeth sockets;  discharge of pus
  • pyramid - noun a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt;  (stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases;  a polyhedron having a polygonal base and triangular sides with a common vertex;  verbincrease rapidly and progressively step by step on a broad base; arrange or build up as if on the base of a pyramid;  use or deal in (as of stock or commercial transaction) in a pyramid deal;  enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
  • pyramidal - adj. resembling a pyramid
  • pyre - noun wood heaped for burning a dead body as a funeral rite
  • pyrethrum - noun used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum;  white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum;  made of dried flower heads of pyrethrum plants;  spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum
  • pyrexia - noun a rise in the temperature of the body; frequently a symptom of infection
  • pyrogallic - adj. of or relating to pyrogallol
  • pyrogallol - noun a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer
  • pyrogenous - adj. produced under conditions involving intense heat;  produced by or producing fever
  • pyroligneous - adj. of a substance produced by the effect of heat on wood, especially by destructive distillation
  • pyrolusite - noun a mineral consisting of manganese dioxide; an important source of manganese
  • pyrophosphate - noun a salt or ester of pyrophosphoric acid
  • pyrosis - noun a painful burning sensation in the chest caused by gastroesophageal reflux (backflow from the stomach irritating the esophagus); symptomatic of an ulcer or a diaphragmatic hernia or other disorder
  • pyroxylin - noun highly flammable nitrocellulose used in making collodion and plastics and lacquers
  • pyuria - noun presence of white blood cells in the urine; symptom of urinary tract infection
  • q - noun the 17th letter of the Roman alphabet
  • quadrangular - adj. of or relating to or shaped like a quadrangle
  • quadrant - noun a measuring instrument for measuring altitude of heavenly bodies;  the area enclosed by two perpendicular radii of a circle;  any of the four areas into which a plane is divided by two orthogonal coordinate axes;  a quarter of the circumference of a circle;  a quarter of the circumference of a circle
  • quadrate - adj. having four sides and four angles;  noun a square-shaped object;  a cubelike object
  • quadriceps - noun a muscle of the thigh that extends the leg
  • quadrilateral - adj. having four sides;  noun a four-sided polygon
  • quaker - noun one who quakes and trembles with (or as with) fear; a member of the Religious Society of Friends founded by George Fox (the Friends have never called themselves Quakers)
  • qualification - noun the act of modifying or changing the strength of some idea;  an attribute that must be met or complied with and that fits a person for something;  a statement that limits or restricts some claim
  • qualified - adj. legally qualified;  meeting the proper standards and requirements and training for an office or position or task;  limited or restricted; not absolute;  contingent on something else;  having elements or qualities mixed in proper or suitable proportions; especially made less severe;  restricted in meaning; (as e.g. `man' in `a tall man');  holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill
  • qualify - verb make more specific;  make fit or prepared;  describe or portray the character or the qualities or peculiarities of;  pronounce fit or able;  prove capable or fit; meet requirements;  add a modifier to a constituent;  specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement
  • qualifying - noun success in satisfying a test or requirement;  the grammatical relation that exists when a word qualifies the meaning of the phrase
  • qualitative - adj. involving distinctions based on qualities;  relating to or involving comparisons based on qualities
  • qualitatively - adv. in a qualitative manner
  • quality - adj. of high social status;  of superior grade;  noun an essential and distinguishing attribute of something or someone;  a degree or grade of excellence or worth;  a characteristic property that defines the apparent individual nature of something;  high social status;  (music) the distinctive property of a complex sound (a voice or noise or musical sound)
  • quantitative - adj. expressible as a quantity or relating to or susceptible of measurement;  (of verse) having a metric system based on relative duration of syllables;  relating to the measurement of quantity
  • quantitatively - adv. in a quantitative manner
  • quantity - noun an adequate or large amount;  something that has a magnitude and can be represented in mathematical expressions by a constant or a variable;  how much there is of something that you can quantify
  • quantum - noun (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory);  a discrete amount of something that is analogous to the quantum in quantum theory
  • quarantine - noun isolation to prevent the spread of infectious disease;  enforced isolation of patients suffering from a contagious disease in order to prevent the spread of disease;  verb place into enforced isolation, as for medical reasons
  • quarantined - adj. under forced isolation especially for health reasons
  • quarry - noun animal hunted or caught for food;  a surface excavation for extracting stone or slate;  a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence;  verb extract (something such as stones) from or as if from a quarry
  • quart - noun a United States liquid unit equal to 32 fluid ounces; four quarts equal one gallon;  a United States dry unit equal to 2 pints or 67.2 cubic inches;  a British imperial capacity measure (liquid or dry) equal to 2 pints or 1.136 liters
  • quartan - adj. occurring every fourth day (especially the fever and weakness of malaria);  noun a malarial fever that recurs every fourth day
  • quarter - noun clemency or mercy shown to a defeated opponent; piece of leather that comprises the part of a shoe or boot covering the heel and joining the vamp;  a district of a city having some distinguishing character;  an unspecified person;  a United States coin worth one fourth of a dollar;  a quarter of a hundredweight (28 pounds);  a quarter of a hundredweight (25 pounds);  one of the four major division of the compass;  a fourth part of a year; three months; one of four periods into which the school year is divided;  a unit of time equal to 15 minutes or a quarter of an hour;  one of four periods of play into which some games are divided;  the rear part of a ship; one of four equal parts;  verb divide by four; divide into quarters; divide into quarters;  provide housing for (military personnel);  pull (a person) apart with four horses tied to his extremities, so as to execute him
  • quarters - noun housing available for people to live in
  • quartz - noun a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities;  colorless glass made of almost pure silica
  • quassia - noun handsome South American shrub or small tree having bright scarlet flowers and yielding a valuable fine-grained yellowish wood; yields the bitter drug quassia from its wood and bark;  a bitter compound used as an insecticide and tonic and vermifuge; extracted from the wood and bark of trees of the genera Quassia and Picrasma
  • quench - verb cool (hot metal) by plunging into cold water or other liquid;  reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance; satisfy (thirst);  electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device;  suppress or crush completely; put out, as of fires, flames, or lights
  • quenched - adj. allayed;  subdued or overcome
  • quercus - noun oaks
  • quest - noun the act of searching for something;  a search for an alternative that meets cognitive criteria;  verb seek alms, as for religious purposes;  search the trail of (game);  make a search (for); express the need or desire for; ask for;  bark with prolonged noises, of dogs
  • question - noun the subject matter at issue;  an informal reference to a marriage proposal;  an instance of questioning;  a sentence of inquiry that asks for a reply;  uncertainty about the truth or factuality of existence of something;  a formal proposal for action made to a deliberative assembly for discussion and vote;  verb pose a question; challenge the accuracy, probity, or propriety of;  pose a series of questions to;  conduct an interview in television, newspaper, and radio reporting;  place in doubt or express doubtful speculation
  • questionable - adj. able to be refuted;  subject to question
  • questioning - adj. perplexed (as if being expected to know something that you do not know);  showing curiosity;  marked by or given to doubt;  noun a request for information
  • quick - adj. easily aroused or excited;  accomplished rapidly and without delay;  apprehending and responding with speed and sensitivity;  moving quickly and lightly;  performed with little or no delay;  hurried and brief;  adv. with little or no delay;  noun any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail)
  • quickening - noun the process of showing signs of life;  the stage of pregnancy at which the mother first feels the movements of the fetus;  the act of accelerating; increasing the speed
  • quicker - adv. more quickly
  • quickest - adv. most quickly
  • quicklime - noun a white crystalline oxide used in the production of calcium hydroxide
  • quickly - adv. with rapid movements;  with little or no delay;  without taking pains
  • quickness - noun a rate that is rapid;  intelligence as revealed by an ability to give correct responses without delay;  skillful performance or ability without difficulty
  • quicksilver - adj. liable to sudden unpredictable change;  noun a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
  • quiescence - noun quiet and inactive restfulness;  a state of quiet (but possibly temporary) inaction
  • quiescent - adj. causing no symptoms;  being quiet or still or inactive;  not active or activated;  marked by a state of tranquil repose
  • quiet - adj. of the sun; characterized by a low level of surface phenomena like sun spots e.g.;  not showy or obtrusive;  free of noise or uproar; or making little if any sound;  characterized by an absence or near absence of agitation or activity;  (of a body of water) free from disturbance by heavy waves;  in a softened tone;  adv. with little or no activity or no agitation (`quiet' is a nonstandard variant for `quietly'); noun a disposition free from stress or emotion;  the absence of sound;  an untroubled state; free from disturbances;  a period of calm weather;  verb make calm or still;  become quiet or quieter
  • quietly - adv. with little or no sound;  with little or no activity or no agitation (`quiet' is a nonstandard variant for `quietly');  with low volume;  in a restful manner
  • quietude - noun a state of peace and quiet
  • quill - noun a stiff hollow protective spine on a porcupine or hedgehog;  the hollow spine of a feather;  pen made from a bird's feather;  any of the larger wing or tail feathers of a bird
  • quilt - noun bedding made of two layers of cloth filled with stuffing and stitched together;  verb create by stitching together;  stitch or sew together
  • quilting - noun a material used for making a quilt, or a quilted fabric; stitching through layers of fabric and a filling so as to create a design
  • quinine - noun a bitter alkaloid extracted from chinchona bark; used in malaria therapy
  • quinsy - noun a painful pus filled inflammation of the tonsils and surrounding tissues; usually a complication of tonsillitis
  • quintal - noun a unit of weight equal to 100 kilograms;  a United States unit of weight equivalent to 100 pounds
  • quire - noun a quantity of paper; 24 or 25 sheets
  • quite - adv. to the greatest extent; completely;  to a degree (not used with a negative);  of an unusually noticeable or exceptional or remarkable kind (not used with a negative);  actually or truly or to an extreme
  • quotation - noun the practice of quoting from books or plays etc.;  a passage or expression that is quoted or cited;  a statement of the current market price of a security or commodity;  a short note recognizing a source of information or of a quoted passage
  • quotidian - adj. found in the ordinary course of events
  • quotient - noun the number obtained by division;  the ratio of two quantities to be divided
  • r - noun the 18th letter of the Roman alphabet;  the length of a line segment between the center and circumference of a circle or sphere;  (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole;  a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
  • ra - noun ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods;  (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere;  an intensely radioactive metallic element that occurs in minute amounts in uranium ores
  • rabbit - noun any of various burrowing animals of the family Leporidae having long ears and short tails; some domesticated and raised for pets or food;  flesh of any of various rabbits or hares (wild or domesticated) eaten as food;  the fur of a rabbit;  verb hunt rabbits
  • rabid - adj. of or infected by rabies;  marked by excessive enthusiasm for and intense devotion to a cause or idea
  • rabies - noun an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal); rabies is fatal if the virus reaches the brain
  • race - noun a contest of speed;  any competition;  people who are believed to belong to the same genetic stock;  a canal for a current of water;  (biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species;  the flow of air that is driven backwards by an aircraft propeller;  verb compete in a race;  cause to move fast or to rush or race;  to work as fast as possible towards a goal, sometimes in competition with others;  step on it
  • racemose - adj. having stalked flowers along an elongated stem that continue to open in succession from below as the stem continues to grow
  • rachitic - adj. affected with, suffering from, or characteristic of rickets
  • rachitis - noun inflammation of the vertebral column;  childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus
  • racial - adj. of or characteristic of race or races or arising from differences among groups;  of or related to genetically distinguished groups of people
  • rack - noun a rapid gait of a horse in which each foot strikes the ground separately;  a form of torture in which pain is inflicted by stretching the body;  a support for displaying various articles; framework for holding objects;  an instrument of torture that stretches or disjoints or mutilates victims;  rib section of a forequarter of veal or pork or especially lamb or mutton;  the destruction or collapse of something;  verb torture on the rack;  seize together, as of parallel ropes of a tackle in order to prevent running through the block;  work on a rack;  stretch to the limits;  draw off from the lees;  fly in high wind;  put on a rack and pinion;  torment emotionally or mentally;  run before a gale;  go at a rack;  obtain by coercion or intimidation
  • racket - noun an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit;  a sports implement (usually consisting of a handle and an oval frame with a tightly interlaced network of strings) used to strike a ball (or shuttlecock) in various games;  a loud and disturbing noise;  the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience;  verb hit (a ball) with a racket;  make loud and annoying noises;  celebrate noisily, often indulging in drinking; engage in uproarious festivities
  • rad - noun a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material;  the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
  • radial - adj. arranged like rays or radii; radiating from a common center;  issuing in rays from a common center; relating to rays of light;  relating to or moving along or having the direction of a radius; relating to or near the radius;  noun pneumatic tire that has radial-ply casing
  • radially - adv. in a radial manner
  • radiant - adj. radiating or as if radiating light
  • radiate - verb send out real or metaphoric rays;  issue or emerge in rays or waves;  cause to be seen by emitting light as if in rays; extend or spread outward from a center or focus or inward towards a center;  send out rays or waves;  spread into new habitats and produce variety or variegate;  experience a feeling of well-being or happiness, as from good health or an intense emotion;  have a complexion with a strong bright color, such as red or pink
  • radiating - adj. diverging from a common point
  • radiation - noun the act of spreading outward from a central source; a radial arrangement of nerve fibers connecting different parts of the brain;  the spread of a group of organisms into new habitats;  energy that is radiated or transmitted in the form of rays or waves or particles;  the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay;  (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance; syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours
  • radiator - noun a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan;  heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings; any object that radiates energy
  • radical - adj. especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem;  arising from or going to the root;  of or relating to or constituting a linguistic root;  (used of opinions and actions) far beyond the norm;  markedly new or introducing radical change;  nouna sign placed in front of an expression to denote that a root is to be extracted;  a character conveying the lexical meaning of a logogram; a person who has radical ideas or opinions;  (linguistics) the form of a word after all affixes are removed;  (chemistry) two or more atoms bound together as a single unit and forming part of a molecule;  an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
  • radically - adv. in a radical manner
  • radicle - noun (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)
  • radioactive - adj. exhibiting or caused by radioactivity
  • radiography - noun photography that uses other kinds of radiation than visible light;  the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light
  • radiotherapy - noun (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
  • radium - noun an intensely radioactive metallic element that occurs in minute amounts in uranium ores
  • radius - noun the length of a line segment between the center and circumference of a circle or sphere;  the outer and slightly shorter of the two bones of the human forearm;  a circular region whose area is indicated by the length of its radius;  a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere);  support consisting of a radial member of a wheel joining the hub to the rim
  • rafts - noun a large number or amount
  • rage - noun violent state of the elements;  a state of extreme anger; something that is desired intensely;  an interest followed with exaggerated zeal;  a feeling of intense anger;  verb feel intense anger;  be violent; as of fires and storms;  behave violently, as if in state of a great anger
  • ragged - adj. having an irregular outline;  worn out from stress or strain;  being or dressed in clothes that are worn or torn
  • ragweed - noun any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma; widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
  • rail - noun any of numerous widely distributed small wading birds of the family Rallidae having short wings and very long toes for running on soft mud;  a horizontal bar (usually of wood);  short for railway;  a barrier consisting of a horizontal bar and supports;  a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll;  verb complain bitterly;  fish with a handline over the rails of a boat;  lay with rails;  convey (goods etc.) by rails;  separate with a railing;  provide with rails;  enclose with rails; criticize severely;  spread negative information about;  travel by rail or train
  • railroad - noun a line of track providing a runway for wheels;  line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight; verb transport by railroad;  supply with railroad lines;  compel by coercion, threats, or crude means
  • railway - noun line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight;  a line of track providing a runway for wheels
  • rain - noun anything happening rapidly or in quick successive;  water falling in drops from vapor condensed in the atmosphere;  drops of fresh water that fall as precipitation from clouds;  verb precipitate as rain
  • rainfall - noun water falling in drops from vapor condensed in the atmosphere
  • rainy - adj. (of weather) wet by periods of rain
  • raise - noun increasing the size of a bet (as in poker);  the amount a salary is increased;  the act of raising something;  an upward slope or grade (as in a road);  verb raise the level or amount of something; invigorate or heighten;  bring (a surface or a design) into relief and cause to project;  multiply (a number) by itself a specified number of times: 8 is 2 raised to the power 3;  establish radio communications with;  activate or stir up;  cause to be heard or known; express or utter;  pronounce (vowels) by bringing the tongue closer to the roof of the mouth;  put forward for consideration or discussion;  bet more than the previous player;  bid (one's partner's suit) at a higher level; summon into action or bring into existence, often as if by magic; construct, build, or erect;  create a disturbance, especially by making a great noise;  raise from a lower to a higher position;  cause to puff up with a leaven;  collect funds for a specific purpose;  cause to become alive again;  increase;  put an end to;  raise in rank or condition;  cause to assemble or enlist in the military;  cultivate by growing, often involving improvements by means of agricultural techniques;  call forth (emotions, feelings, and responses);  move upwards;  give a promotion to or assign to a higher position;  bring up
  • raised - adj. increased especially to abnormal levels;  above the surround or above the normal position;  embellished with a raised pattern created by pressure or embroidery
  • raisin - noun dried grape
  • raising - adj. increasing in quantity or value;  noun the properties acquired as a consequence of the way you were treated as a child; helping someone grow up to be an accepted member of the community;  the event of something being raised upward
  • raj - noun British dominion over India (1757-1947)
  • rale - noun a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
  • rally - noun the feat of mustering strength for a renewed effort; (sports) an unbroken sequence of several successive strokes;  an automobile race run over public roads;  a large gathering of people intended to arouse enthusiasm;  a marked recovery of strength or spirits during an illness;  verb return to a former condition;  harass with persistent criticism or carping;  call to arms; of military personnel;  gather or bring together;  gather
  • ramify - verb grow and send out branches or branch-like structures; divide into two or more branches so as to form a fork;  have or develop complicating consequences
  • ramus - noun the posterior part of the mandible that is more or less vertical
  • rancid - adj. (used of decomposing oils or fats) having a rank smell or taste usually due to a chemical change or decomposition; smelling of fermentation or staleness
  • rancidity - noun the state of being rancid; having a rancid scent or flavor (as of old cooking oil)
  • range - noun a place for shooting (firing or driving) projectiles of various kinds;  a variety of different things or activities;  the limits within which something can be effective;  a large tract of grassy open land on which livestock can graze;  a series of hills or mountains;  the limits of the values a function can take;  a kitchen appliance used for cooking food;  an area in which something acts or operates or has power or control: "the range of a supersonic jet";  the limit of capability;  verb let eat;  lay out orderly or logically in a line or as if in a line;  range or extend over; occupy a certain area;  change or be different within limits;  have a range; be capable of projecting over a certain distance, as of a gun;  assign a rank or rating to;  feed as in a meadow or pasture;  move about aimlessly or without any destination, often in search of food or employment
  • ranging - adj. wandering freely
  • rank - adj. growing profusely;  very fertile; producing profuse growth; very offensive in smell or taste;  complete and without restriction or qualification; sometimes used informally as intensifiers; conspicuously and outrageously bad or reprehensible;  noun a row or line of people (especially soldiers or police) standing abreast of one another;  relative status;  the ordinary members of an organization (such as the enlisted soldiers of an army);  the body of members of an organization or group;  position in a social hierarchy;  verb take or have a position relative to others;  take precedence or surpass others in rank;  assign a rank or rating to
  • ranked - adj. arranged in a sequence of grades or ranks
  • ranking - adj. having a higher rank;  noun position on a scale in relation to others in a sport
  • rant - noun pompous or pretentious talk or writing;  a loud bombastic declamation expressed with strong emotion;  verb talk in a noisy, excited, or declamatory manner
  • ranula - noun a cyst on the underside of the tongue
  • rape - noun the crime of forcing a woman to submit to sexual intercourse against her will;  the act of despoiling a country in warfare;  Eurasian plant cultivated for its seed and as a forage crop; verb destroy and strip of its possession;  force (someone) to have sex against their will
  • rapeseed - noun seed of rape plants; source of an edible oil
  • raphe - noun a ridge that forms a seam between two parts
  • rapid - adj. done or occurring in a brief period of time;  characterized by speed; moving with or capable of moving with high speed;  noun a part of a river where the current is very fast
  • rapidity - noun a rate that is rapid
  • rapidly - adv. with rapid movements
  • rare - adj. not widely distributed;  not widely known; especially valued for its uncommonness;  (of meat) cooked a short time; still red inside; recurring only at long intervals;  marked by an uncommon quality; especially superlative or extreme of its kind;  having low density
  • rarefaction - noun a decrease in the density of something
  • rarefied - adj. reserved for an elite group;  of high moral or intellectual value; elevated in nature or style;  having low density
  • rarely - adv. not often
  • rarity - noun a rarified quality;  noteworthy scarcity;  something unusual -- perhaps worthy of collecting
  • rash - adj. imprudently incurring risk;  marked by defiant disregard for danger or consequences;  noun a series of unexpected and unpleasant occurrences;  any red eruption of the skin
  • raspberry - noun red or black edible aggregate berries usually smaller than the related blackberries;  woody brambles bearing usually red but sometimes black or yellow fruits that separate from the receptacle when ripe and are rounder and smaller than blackberries;  a cry or noise made to express displeasure or contempt
  • raspberry-red - adj. of the red of fresh raspberries
  • rasping - adj. unpleasantly harsh or grating in sound;  noun uttering in an irritated tone
  • rat - noun any of various long-tailed rodents similar to but larger than a mouse;  a pad (usually made of hair) worn as part of a woman's coiffure;  one who reveals confidential information in return for money;  a person who is deemed to be despicable or contemptible; someone who works (or provides workers) during a strike;  verbcatch rats, especially with dogs;  give (hair) the appearance of being fuller by using a rat;  employ scabs or strike breakers in;  desert one's party or group of friends, for example, for one's personal advantage; give away information about somebody;  take the place of work of someone on strike
  • ratchet - noun mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction;  verb move by degrees in one direction only
  • rate - noun amount of a charge or payment relative to some basis;  a quantity or amount or measure considered as a proportion of another quantity or amount or measure;  a magnitude or frequency relative to a time unit;  the relative speed of progress or change;  verbassign a rank or rating to;  estimate the value of;  be worthy of or have a certain rating
  • rates - noun a local tax on property (usually used in the plural)
  • rather - adv. to some (great or small) extent;  on the contrary;  to a degree (not used with a negative);  more readily or willingly
  • ratio - noun the relative magnitudes of two quantities (usually expressed as a quotient)
  • ration - noun the food allowance for one day (especially for service personnel);  a fixed portion that is allotted (especially in times of scarcity);  verb distribute in rations, as in the army;  restrict the consumption of a relatively scarce commodity, as during war
  • rational - adj. having its source in or being guided by the intellect (distinguished from experience or emotion);  consistent with or based on or using reason;  capable of being expressed as a quotient of integers;  of or associated with or requiring the use of the mind;  nounan integer or a fraction
  • rationale - noun (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
  • rattle - noun loosely connected horny sections at the end of a rattlesnake's tail;  a baby's toy that makes percussive noises when shaken;  a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders);  verb shake and cause to make a rattling noise;  make short successive sounds
  • rattlesnake - noun pit viper with horny segments at the end of the tail that rattle when shaken
  • rattling - adj. quick and energetic;  extraordinarily good; used especially as intensifiers;  adv. used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal;  noun a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
  • ravenous - adj. devouring or craving food in great quantities; extremely hungry
  • raw - adj. not treated with heat to prepare it for eating;  lacking training or experience;  brutally unfair or harsh;  used of wood and furniture;  having the surface exposed and painful;  untempered and unrefined;  not processed or refined;  not processed or subjected to analysis;  (used informally) completely unclothed;  unpleasantly cold and damp;  devoid of elaboration or diminution or concealment; bare and pure;  hurting;  (used especially of commodities) being unprocessed or manufactured using only simple or minimal processes;  noun informal terms for nakedness
  • raw meat - noun uncooked meat
  • ray - noun cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins;  any of the stiff bony rods in the fin of a fish;  a branch of an umbel or an umbelliform inflorescence; (mathematics) a straight line extending from a point;  the syllable naming the second (supertonic) note of any major scale in solmization;  a column of light (as from a beacon);  a group of nearly parallel lines of electromagnetic radiation;  verb emit as rays;  expose to radiation;  extend or spread outward from a center or focus or inward towards a center
  • razor - noun edge tool used in shaving;  verb shave with a razor
  • re - noun the syllable naming the second (supertonic) note of any major scale in solmization;  ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods;  a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
  • re-introduction - noun a proposal of something previously rejected
  • reabsorption - noun the organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilation
  • reach - noun the act of physically reaching or thrusting out;  an area in which something acts or operates or has power or control: "the range of a supersonic jet";  the limit of capability;  the limits within which something can be effective;  verb be in or establish communication with;  move forward or upward in order to touch; also in a metaphorical sense;  reach a point in time, or a certain state or level;  reach a destination, either real or abstract;  reach a goal, e.g., "make the first team";  to extend as far as;  to exert much effort or energy;  place into the hands or custody of;  to gain with effort
  • reaching - noun accomplishment of an objective;  the act of physically reaching or thrusting out
  • react - verb undergo a chemical reaction; react with another substance under certain conditions;  show a response or a reaction to something;  act against or in opposition to
  • reaction - noun doing something in opposition to another way of doing it that you don't like;  a bodily process occurring due to the effect of some foregoing stimulus or agent;  an idea evoked by some experience;  extreme conservatism in political or social matters;  a response that reveals a person's feelings or attitude;  (mechanics) the equal and opposite force that is produced when any force is applied to a body;  (chemistry) a process in which one or more substances are changed into others
  • reactionary - adj. extremely conservative;  noun an extreme conservative; an opponent of progress or liberalism
  • reactive - adj. participating readily in reactions;  tending to react to a stimulus
  • reactivity - noun ready susceptibility to chemical change; responsive to stimulation
  • read - noun something that is read;  verb to hear and understand; interpret something that is written or printed;  look at, interpret, and say out loud something that is written or printed;  interpret the significance of, as of palms, tea leaves, intestines, the sky; also of human behavior;  obtain data from magnetic tapes;  indicate a certain reading; of gauges and instruments;  audition for a stage role by reading parts of a role;  have or contain a certain wording or form; make sense of a language;  be a student of a certain subject; interpret something in a certain way; convey a particular meaning or impression
  • readable - adj. easily deciphered
  • reader - noun one of a series of texts for students learning to read;  a person who enjoys reading;  a person who can read; a literate person;  a public lecturer at certain universities;  someone who reads the lessons in a church service; someone ordained in a minor order of the Roman Catholic Church;  someone who reads proof in order to find errors and mark corrections;  someone who reads manuscripts and judges their suitability for publication;  someone who contracts to receive and pay for a service or a certain number of issues of a publication
  • readily - adv. without much difficulty;  in a punctual manner
  • readiness - noun prompt willingness;  the state of having been made ready or prepared for use or action (especially military action);  a natural effortlessness;  (psychology) being temporarily ready to respond in a particular way
  • reading - noun the act of measuring with meters or similar instruments;  the cognitive process of understanding a written linguistic message;  a datum about some physical state that is presented to a user by a meter or similar instrument;  written material intended to be read;  a particular interpretation or performance;  a city on the River Thames in Berkshire in southern England;  a mental representation of the meaning or significance of something;  a public instance of reciting or repeating (from memory) something prepared in advance
  • ready - adj. (of especially money) immediately available;  brought into readiness;  completely prepared or in condition for immediate action or use or progress;  mentally disposed;  apprehending and responding with speed and sensitivity;  noun poised for action;  verbmake ready or suitable or equip in advance for a particular purpose or for some use, event, etc;  prepare for eating by applying heat
  • ready-made - adj. made for purchase and immediate use; commercially produced; not homemade;  repeated regularly without thought or originality;  noun a manufactured artifact (as a garment or piece of furniture) that is made in advance and available for purchase
  • reagent - noun a chemical agent for use in chemical reactions
  • real - adj. capable of being treated as fact;  being or occurring in fact or actuality; having verified existence; not illusory;  no less than what is stated; worthy of the name;  being value measured in terms of purchasing power;  not to be taken lightly;  (of property) fixed or immovable;  having substance or capable of being treated as fact; not imaginary;  coinciding with reality;  being or reflecting the essential or genuine character of something;  adv. used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal;  noun an old small silver Spanish coin;  any rational or irrational number
  • reality - noun the quality possessed by something that is real;  the state of being actual or real;  the state of the world as it really is rather than as you might want it to be;  all of your experiences that determine how things appear to you
  • realization - noun something that is made real or concrete;  making real or giving the appearance of reality;  the completion or enrichment of a piece of music left sparsely notated by a composer; a sale in order to obtain money (as a sale of stock or a sale of the estate of a bankrupt person) or the money so obtained;  coming to understand something clearly and distinctly;  a musical composition that has been completed or enriched by someone other than the composer
  • realize - verb make real or concrete; give reality or substance to; expand or complete (a part in a piece of baroque music) by supplying the harmonies indicated in the figured bass;  convert into cash; of goods and property;  perceive (an idea or situation) mentally;  be fully aware or cognizant of;  earn on some commercial or business transaction; earn as salary or wages
  • realized - adj. successfully completed or brought to an end
  • really - adv. used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal;  in accordance with truth or fact or reality;  in fact (used as intensifiers or sentence modifiers);  in actual fact
  • reap - verb gather, as of natural products;  get or derive
  • reappear - verb appear again
  • reappearance - noun the act of someone appearing again;  the event of something appearing again
  • rear - adj. located in or toward the back or rear;  noun the side that goes last or is not normally seen;  the back of a military formation or procession;  the side of an object that is opposite its front;  the fleshy part of the human body that you sit on;  the part of something that is furthest from the normal viewer;  verb stand up on the hind legs, of quadrupeds;  cause to rise up;  bring up;  construct, build, or erect; rise up
  • rearing - adj. rearing on left hind leg with forelegs elevated and head usually in profile;  noun helping someone grow up to be an accepted member of the community;  the properties acquired as a consequence of the way you were treated as a child
  • rearrange - verb put into a new order or arrangement
  • reason - noun the capacity for rational thought or inference or discrimination;  a fact that logically justifies some premise or conclusion;  an explanation of the cause of some phenomenon;  a rational motive for a belief or action;  a justification for something existing or happening;  the state of having good sense and sound judgment;  verb think logically;  decide by reasoning; draw or come to a conclusion;  present reasons and arguments
  • reasonable - adj. marked by sound judgment;  showing reason or sound judgment;  not excessive or extreme
  • reasonably - adv. to a moderately sufficient extent or degree;  with good sense or in a reasonable or intelligent manner
  • reasoned - adj. logically valid;  resulting from careful thought
  • reasoning - adj. endowed with the capacity to reason;  noun thinking that is coherent and logical
  • reassert - verb strengthen or make more firm
  • reassuring - adj. restoring confidence and relieving anxiety
  • reaumur - noun French physicist who invented the alcohol thermometer (1683-1757)
  • rebel - adj. used by Northerners of Confederate soldiers;  noun`Johnny' was applied as a nickname for Confederate soldiers by the Federal soldiers in the American Civil War; `greyback' derived from their grey Confederate uniforms;  a person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions);  someone who exhibits great independence in thought and action;  verb take part in a rebellion; renounce a former allegiance;  break with established customs
  • rebellion - noun organized opposition to authority; a conflict in which one faction tries to wrest control from another;  refusal to accept some authority or code or convention
  • rebellious - adj. participating in organized resistance to a constituted government;  resisting control or authority;  discontented as toward authority
  • recall - noun the act of removing an official by petition;  the process of remembering (especially the process of recovering information by mental effort);  a bugle call that signals troops to return;  a call to return;  a request by the manufacturer of a defective product to return the product (as for replacement or repair);  verb cause one's (or someone else's) thoughts or attention to return from a reverie or digression;  summon to return;  cause to be returned;  make unavailable; bar from sale or distribution;  recall knowledge from memory; have a recollection;  go back to something earlier;  call to mind
  • recede - verb become faint or more distant;  move back and away from;  retreat;  pull back or move away or backward
  • receding - adj. moving toward a position farther from the front;  (of a hairline e.g.) moving slowly back;  noun the act of becoming more distant;  a slow or gradual disappearance
  • receipt - noun an acknowledgment (usually tangible) that payment has been made;  the act of receiving;  verb mark or stamp as paid; report the receipt of
  • receive - verb convert into sounds or pictures;  receive a specified treatment (abstract);  regard favorably or with disapproval;  accept as true or valid;  partake of the Holy Eucharist sacrament;  express willingness to have in one's home or environs;  get something; come into possession of;  have or give a reception;  bid welcome to; greet upon arrival;  register (perceptual input);  go through (mental or physical states or experiences);  receive as a retribution or punishment;  experience as a reaction
  • received - adj. widely accepted as true or worthy;  conforming to the established language usage of educated native speakers
  • receiver - noun set that receives radio or tv signals;  a football player who catches (or is supposed to catch) a forward pass;  earphone that converts electrical signals into sounds;  a person who gets something;  (law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties
  • recent - adj. near to or not long before the present;  being new in a time not long past;  of the immediate past or just previous to the present time;  noun approximately the last 10,000 years
  • recently - adv. in the recent past;  very recently
  • receptacle - noun a container that is used to put or keep things in; an electrical (or electronic) fitting that is connected to a source of power and equipped to receive an insert;  enlarged tip of a stem that bears the floral parts
  • reception - noun the act of receiving;  (American football) the act of catching a pass in football;  quality or fidelity of a received broadcast; the manner in which something is greeted;  a formal party of people; as after a wedding
  • receptive - adj. able to absorb liquid (not repellent);  open to arguments, ideas, or change;  ready or willing to receive favorably;  of a nerve fiber or impulse originating outside and passing toward the central nervous system
  • receptor - noun a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response;  an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
  • recession - noun the act of ceding back;  the withdrawal of the clergy and choir from the chancel to the vestry at the end of a church service;  the state of the economy declines; a widespread decline in the GDP and employment and trade lasting from six months to a year;  the act of becoming more distant;  a small concavity
  • recipe - noun directions for making something
  • recipient - noun a person who gets something;  the semantic role of the animate entity that is passively involved in the happening denoted by the verb in the clause
  • reciprocal - adj. of or relating to the multiplicative inverse of a quantity or function;  concerning each of two or more persons or things; especially given or done in return;  noun something (a term or expression or concept) that has a reciprocal relation to something else;  hybridization involving a pair of crosses that reverse the sexes associated with each genotype;  (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7
  • reckon - verb take account of;  expect, believe, or suppose;  make a mathematical calculation or computation;  deem to be;  judge to be probable;  have faith or confidence in
  • reclining - adj. lying down; in a position of comfort or rest;  noun the act of assuming or maintaining a reclining position
  • recognition - noun designation by the chair granting a person the right to speak in a deliberative body;  the process of recognizing something or someone by remembering;  an acceptance (as of a claim) as true and valid;  approval;  the explicit and formal acknowledgement of a government or of the national independence of a country;  (biology) the ability of one molecule to attach to another molecule that has a complementary shape;  the state or quality of being recognized or acknowledged;  coming to understand something clearly and distinctly
  • recognizable - adj. capable of being recognized;  easily perceived; easy to become aware of
  • recognize - verb perceive to be the same;  be fully aware or cognizant of;  detect with the senses;  show approval or appreciation of;  exhibit recognition for (an antigen or a substrate);  accept (someone) to be what is claimed or accept his power and authority; express obligation, thanks, or gratitude for;  express greetings upon meeting someone;  grant credentials to
  • recognized - adj. provided with a secure reputation;  generally approved or compelling recognition
  • recombination - noun (genetics) a combining of genes or characters different from what they were in the parents;  (physics) a combining of charges or transfer of electrons in a gas that results in the neutralization of ions; important for ions arising from the passage of high-energy particles
  • recommend - verb make attractive or acceptable;  push for something;  express a good opinion of
  • recommendation - noun any quality or characteristic that gains a person a favorable reception or acceptance or admission;  something (as a course of action) that is recommended as advisable; something that recommends (or expresses commendation) of a person or thing as worthy or desirable
  • recommended - adj. mentioned as worthy of acceptance
  • reconstruct - verb cause somebody to adapt or reform socially or politically;  reassemble mentally;  do over, as of (part of) a house; build again;  return to its original or usable and functioning condition
  • reconstructive - adj. helping to restore to good condition
  • record - noun the sum of recognized accomplishments;  an extreme attainment; the best (or worst) performance ever attested (as in a sport);  a compilation of the known facts regarding something or someone;  anything (such as a document or a phonograph record or a photograph) providing permanent evidence of or information about past events;  a document that can serve as legal evidence of a transaction;  the number of wins versus losses and ties a team has had;  sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove;  a list of crimes for which an accused person has been previously convicted;  verb register electronically;  make a record of; set down in permanent form;  be aware of;  be or provide a memorial to a person or an event;  indicate a certain reading; of gauges and instruments
  • recorded - adj. recorded or listed in a directory;  set down or registered in a permanent form especially on film or tape for reproduction;  (of securities) having the owner's name entered in a register
  • recourse - noun act of turning to for assistance;  something or someone turned to for assistance or security
  • recover - verb regain a former condition after a financial loss;  cover anew;  get or find back; recover the use of;  regain or make up for; get over an illness or shock;  reuse (materials from waste products)
  • recovered - adj. found after being lost;  freed from illness or injury
  • recovering - adj. returning to health after illness or debility
  • recovery - noun the act of regaining or saving something lost (or in danger of becoming lost);  return to an original state;  gradual healing (through rest) after sickness or injury
  • recreation - noun activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation;  an activity that diverts or amuses or stimulates
  • recrudescence - noun a return of something after a period of abatement
  • rectal - adj. of or involving the rectum
  • rectangular - adj. having four right angles;  having a set of mutually perpendicular axes; meeting at right angles
  • rectified - adj. having been put right
  • rectify - verb convert into direct current;  set straight or right;  math: determine the length of;  make right or correct;  bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one;  reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
  • rectocele - noun protrusion or herniation of the rectum into the vagina; can occur if pelvic muscles are weakened by childbirth
  • rector - noun a person authorized to conduct religious worship
  • rectum - noun the terminal section of the alimentary canal; from the sigmoid flexure to the anus
  • rectus - noun any of various straight muscles
  • recumbent - adj. lying down; in a position of comfort or rest
  • recuperation - noun gradual healing (through rest) after sickness or injury
  • recuperative - adj. promoting recuperation
  • recur - verb happen or occur again;  return in thought or speech to something;  have recourse to
  • recurrence - noun happening again (especially at regular intervals)
  • recurrent - adj. recurring again and again
  • recurring - adj. coming back
  • red - adj. red with or characterized by blood;  of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies;  characterized by violence or bloodshed;  (especially of the face) reddened or suffused with or as if with blood from emotion or exertion;  noun red color or pigment; the chromatic color resembling the hue of blood;  a tributary of the Mississippi River that flows eastward from Texas along the southern boundary of Oklahoma and through Louisiana;  emotionally charged terms used to refer to extreme radicals or revolutionaries;  the amount by which the cost of a business exceeds its revenue
  • red-hot - adj. glowing red with heat;  characterized by intense emotion or interest or excitement;  very fast; capable of quick response and great speed;  newest or most recent;  having strong sexual appeal
  • reddened - adj. lighted with red light as if with flames;  (especially of the face) reddened or suffused with or as if with blood from emotion or exertion
  • reddish - adj. of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies
  • reddish-brown - adj. of brown tinged with red
  • reddish-gray - adj. of grey tinged with red
  • redness - noun red color or pigment; the chromatic color resembling the hue of blood;  a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
  • redoubled - adj. become much greater in intensity or size or amount
  • redress - noun act of correcting an error or a fault or an evil;  a sum of money paid in compensation for loss or injury;  verb make reparations or amends for
  • reduce - verb take off weight;  narrow or limit;  cook until very little liquid is left;  be the essential element;  make smaller;  make less complex;  cut down on; make a reduction in;  reposition (a broken bone after surgery) back to its normal site;  undergo meiosis;  lower in grade or rank or force somebody into an undignified situation; simplify the form of a mathematical equation of expression by substituting one term for another;  lessen and make more modest; bring to humbler or weaker state or condition;  lessen the strength or flavor of a solution or mixture;  be cooked until very little liquid is left; to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons;  reduce in size; reduce physically;  reduce in scope while retaining essential elements;  put down by force or intimidation
  • reduced - adj. well below normal (especially in price);  made less in size or amount or degree
  • reducible - adj. capable of being reduced
  • reducing - noun loss of excess weight (as by dieting); becoming slimmer;  any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
  • reduction - noun the act of reducing complexity;  any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent;  the act of decreasing or reducing something
  • redundance - noun the attribute of being superfluous and unneeded
  • redundant - adj. repetition of same sense in different words;  more than is needed, desired, or required
  • reduplication - noun the act of repeating over and again (or an instance thereof);  a word formed by or containing a repeated syllable or speech sound (usually at the beginning of the word);  the syllable added in a reduplicated word form;  repetition of the final words of a sentence or line at the beginning of the next
  • reed - noun a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it;  United States physician who proved that yellow fever is transmitted by mosquitoes (1851-1902);  United States journalist who reported on the October Revolution from Petrograd in 1917; founded the Communist Labor Party in America in 1919; is buried in the Kremlin in Moscow (1887-1920);  tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites;  a musical instrument that sounds by means of a vibrating reed
  • reef - noun a submerged ridge of rock or coral near the surface of the water;  a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese; verb reduce (a sail) by taking in a reef;  roll up (a portion of a sail) in order to reduce its area;  lower and bring partially inboard
  • reel - noun a lively dance of Scottish Highlanders; marked by circular moves and gliding steps;  winder consisting of a revolving spool with a handle; attached to a fishing rod;  a roll of photographic film holding a series of frames to be projected by a movie projector; music composed for dancing a reel;  an American country dance which starts with the couples facing each other in two lines;  a winder around which thread or tape or film or other flexible materials can be wound;  verb wind onto or off a reel;  walk as if unable to control one's movements;  revolve quickly and repeatedly around one's own axis
  • reestablish - verb bring back into original existence, use, function, or position
  • reexamination - noun a subsequent examination of a patient for the purpose of monitoring earlier treatment;  (law) questioning of a witness by the party that called the witness after that witness has been subject to cross-examination
  • ref - noun (sports) the chief official (as in boxing or American football) who is expected to ensure fair play
  • refer - verb think of, regard, or classify under a subsuming principle or with a general group or in relation to another;  send or direct for treatment, information, or a decision;  have to do with or be relevant to;  seek information from;  have as a meaning;  make reference to
  • referable - adj. (usually followed by `to') able to be assigned or credited to
  • referee - noun (sports) the chief official (as in boxing or American football) who is expected to ensure fair play;  an attorney appointed by a court to investigate and report on a case;  someone who reads manuscripts and judges their suitability for publication;  verb evaluate professionally a colleague's work;  be a referee or umpire in a sports competition
  • reference - noun the act of referring or consulting;  the most direct or specific meaning of a word or expression; the class of objects that an expression refers to;  the relation between a word or phrase and the object or idea it refers to;  a publication (or a passage from a publication) that is referred to;  a book to which you can refer for authoritative facts;  a formal recommendation by a former employer to a potential future employer describing the person's qualifications and dependability;  a short note recognizing a source of information or of a quoted passage;  a remark that calls attention to something or someone;  an indicator that orients you generally;  verb refer to
  • refill - noun a commercial product that refills a container with its appropriate contents;  a prescription drug that is provided again;  verbfill something that had previously been emptied
  • refilling - noun filling again by supplying what has been used up
  • refine - verb make more precise or increase the discriminatory powers of;  attenuate or reduce in vigor, strength, or validity by polishing or purifying;  reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities;  treat or prepare so as to put in a usable condition;  make more complex, intricate, or richer;  improve or perfect by pruning or polishing
  • refined - adj. (used of persons and their behavior) cultivated and genteel;  freed from impurities by processing;  free from what is tawdry or unbecoming;  suggesting taste, ease, and wealth;  made pure;  showing a high degree of refinement and the assurance that comes from wide social experience
  • refinement - noun the quality of excellence in thought and manners and taste;  the result of improving something;  a subtle difference in meaning or opinion or attitude;  the process of removing impurities (as from oil or metals or sugar etc.);  a highly developed state of perfection; having a flawless or impeccable quality
  • refining - noun the process of removing impurities (as from oil or metals or sugar etc.)
  • reflect - verb give evidence of the quality of;  give evidence of a certain behavior;  to throw or bend back or reflect (from a surface); manifest or bring back;  be bright by reflecting or casting light;  reflect deeply on a subject
  • reflected - adj. (especially of incident sound or light) bent or sent back
  • reflecting - adj. causing reflection or having a device that reflects
  • reflection - noun the image of something as reflected by a mirror (or other reflective material);  the ability to reflect beams or rays;  the phenomenon of a propagating wave (light or sound) being thrown back from a surface;  (mathematics) a transformation in which the direction of one axis is reversed;  a likeness in which left and right are reversed;  a calm lengthy intent consideration;  a remark expressing careful consideration;  expression without words
  • reflector - noun device that reflects radiation;  optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
  • reflex - adj. without volition or conscious control;  noun an automatic instinctive unlearned reaction to a stimulus
  • reflexion - noun the image of something as reflected by a mirror (or other reflective material);  a likeness in which left and right are reversed;  the ability to reflect beams or rays;  a calm lengthy intent consideration;  a remark expressing careful consideration; expression without words;  the phenomenon of a propagating wave (light or sound) being thrown back from a surface
  • reflexly - adv. in a reflex manner
  • reform - noun a change for the better as a result of correcting abuses;  self-improvement in behavior or morals by abandoning some vice;  a campaign aimed to correct abuses or malpractices; verb change for the better;  make changes for improvement in order to remove abuse and injustices;  improve by alteration or correction of errors or defects and put into a better condition;  break up the molecules of;  produce by cracking;  bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one
  • reformation - noun a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant churches;  improvement (or an intended improvement) in the existing form or condition of institutions or practices etc.; intended to make a striking change for the better in social or political or religious affairs;  rescuing from error and returning to a rightful course
  • reformed - adj. of or relating to the body of Protestant Christianity arising during the Reformation; used of some Protestant churches especially Calvinist as distinct from Lutheran;  caused to abandon an evil manner of living and follow a good one
  • refract - verb determine the refracting power of (a lens);  subject to refraction
  • refractile - adj. of or relating to or capable of refraction
  • refraction - noun the change in direction of a propagating wave (light or sound) when passing from one medium to another;  the amount by which a propagating wave is bent
  • refractive - adj. of or relating to or capable of refraction;  capable of changing the direction (of a light or sound wave)
  • refractory - adj. temporarily unresponsive or not fully responsive to nervous or sexual stimuli;  not responding to treatment;  stubbornly resistant to authority or control;  noun lining consisting of material with a high melting point; used to line the inside walls of a furnace
  • refracture - verb break (a bone) that was previously broken but mended in an abnormal way
  • refrain - noun the part of a song where a soloist is joined by a group of singers;  verb resist doing something;  choose not to consume
  • refresh - verb make fresh again;  make (to feel) fresh;  become or make oneself fresh again;  refresh one's memory
  • refreshed - adj. with restored energy
  • refreshing - adj. imparting vitality and energy;  pleasantly new or different
  • refreshment - noun activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation; snacks and drinks served as a light meal
  • refrigerant - adj. causing cooling or freezing;  noun a substance used to provide cooling (as in a refrigerator)
  • refrigerator - noun white goods in which food can be stored at low temperatures
  • refusal - noun a message refusing to accept something that is offered;  the act of refusing
  • refuse - noun food that is discarded (as from a kitchen);  verb show unwillingness towards;  refuse to accept;  refuse to let have;  refuse entrance or membership;  elude, especially in a baffling way;  resist immunologically the introduction of some foreign tissue or organ
  • refute - verb prove to be false or incorrect;  overthrow by argument, evidence, or proof
  • regain - verb get or find back; recover the use of;  come upon after searching; find the location of something that was missed or lost
  • regaining - noun getting something back again
  • regard - noun (usually plural) a polite expression of desire for someone's welfare;  a feeling of friendship and esteem;  a long fixed look;  paying particular notice (as to children or helpless people); (usually preceded by `in') a detail or point;  an attitude of admiration or esteem;  the condition of being honored (esteemed or respected or well regarded);  verb look at attentively;  deem to be;  connect closely and often incriminatingly
  • regardless - adj. (usually followed by `of') without due thought or consideration;  adv. in spite of everything; without regard to drawbacks
  • regeneration - noun the activity of spiritual or physical renewal; (biology) growth anew of lost tissue or destroyed parts or organs; forming again (especially with improvements or removal of defects); renewing and reconstituting;  feedback in phase with (augmenting) the input
  • regime - noun (medicine) a systematic plan for therapy (often including diet);  the organization that is the governing authority of a political unit
  • regimen - noun (medicine) a systematic plan for therapy (often including diet)
  • regiment - noun army unit smaller than a division;  verb assign to a regiment;  subject to rigid discipline, order, and systematization;  form (military personnel) into a regiment
  • regimental - adj. belonging to or concerning a regiment
  • region - noun the extended spatial location of something;  a large indefinite location on the surface of the Earth;  the approximate amount of something (usually used prepositionally as in `in the region of');  a part of an animal that has a special function or is supplied by a given artery or nerve;  a knowledge domain that you are interested in or are communicating about
  • regionally - adv. in a regional manner
  • register - noun a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device;  an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room;  (computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind;  (music) the timbre that is characteristic of a certain range and manner of production of the human voice or of different pipe organ stops or of different musical instruments;  an official written record of names or events or transactions;  a book in which names and transactions are listed;  a cashbox with an adding machine to register transactions; used in shops to add up the bill;  verb enter into someone's consciousness; send by registered mail;  manipulate the registers of an organ;  show in one's face;  enroll to vote;  record in writing; enter into a book of names or events or transactions;  indicate a certain reading; of gauges and instruments;  record in a public office or in a court of law; be aware of;  have one's name listed as a candidate for several parties
  • registered - adj. (of a boat or vessel) furnished with necessary official documents specifying ownership etc;  listed or recorded officially;  (of animals) officially recorded with or certified by a recognized breed association; especially in a stud book
  • registration - noun the act of enrolling;  (music) the sound property resulting from a combination of organ stops used to perform a particular piece of music; the technique of selecting and adjusting organ stops;  a document certifying an act of registering;  the body of people (such as students) who register or enroll at the same time; the act of adjusting something to match a standard
  • registry - noun an official written record of names or events or transactions
  • regular - adj. in accord with regular practice or procedure;  relating to a person who does something regularly;  officially full-time;  not deviating from what is normal;  in accordance with fixed order or procedure or principle;  (of solids) having clear dimensions that can be measured; volume can be determined with a suitable geometric formula;  (used of the military) belonging to or engaged in by legitimate army forces;  conforming to a standard or pattern; regularly scheduled for fixed times;  often used as intensifiers;  not constipated;  occurring at fixed intervals;  symmetrically arranged; noun a garment size for persons of average height and weight;  a regular patron;  a dependable follower (especially in party politics);  a soldier in the regular army
  • regularity - noun the quality of being characterized by a fixed principle or rate;  a property of polygons: the property of having equal sides and equal angles
  • regularly - adv. in a regular manner;  in a regular way without variation;  having a regular form
  • regulate - verb fix or adjust the time, amount, degree, or rate of; bring into conformity with rules or principles or usage; impose regulations;  check the emission of (sound);  shape or influence; give direction to
  • regulated - adj. controlled or governed according to rule or principle or law;  marked by system or regularity or discipline
  • regulating - noun the act of controlling or directing according to rule
  • regulation - adj. prescribed by or according to regulation;  noun the act of controlling or directing according to rule;  the act of bringing to uniformity; making regular;  an authoritative rule;  (embryology) the ability of an early embryo to continue normal development after its structure has been somehow damaged or altered;  the state of being controlled or governed;  a principle or condition that customarily governs behavior
  • regurgitate - verb repeat after memorization;  feed through the beak by regurgitating previously swallowed food;  pour or rush back;  eject the contents of the stomach through the mouth
  • regurgitation - noun recall after rote memorization;  backflow of blood through a defective heart valve;  the reflex act of ejecting the contents of the stomach through the mouth
  • rein - noun one of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse;  any means of control; verb stop or check by or as if by a pull at the reins;  stop or slow up one's horse or oneself by or as if by pulling the reins;  keep in check; control and direct with or as if by reins
  • reinforce - verb make stronger;  strengthen and support with rewards
  • reinforced - adj. given added strength or support;  (used of soaps or cleaning agents) having a substance (an abrasive or filler) added to increase effectiveness
  • reinforcement - noun information that makes more forcible or convincing;  a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission;  an act performed to strengthen approved behavior;  a device designed to provide additional strength;  (psychology) a stimulus that strengthens or weakens the behavior that produced it
  • reinstate - verb restore to the previous state or rank;  bring back into original existence, use, function, or position
  • reintroduce - verb introduce anew
  • reintroduction - noun an act of renewed introduction
  • reject - noun the person or thing that is rejected or set aside as inferior in quality;  verb refuse to accept or acknowledge;  reject with contempt;  refuse entrance or membership;  dismiss from consideration or a contest;  deem wrong or inappropriate;  refuse to accept;  resist immunologically the introduction of some foreign tissue or organ
  • rejected - adj. something or someone judged unacceptable; rebuffed (by a lover) without warning
  • rejection - noun the act of rejecting something;  the speech act of rejecting;  (medicine) an immunological response that refuses to accept substances or organisms that are recognized as foreign;  the state of being rejected
  • relapse - noun a failure to maintain a higher state;  verb go back to bad behavior;  deteriorate in health
  • relapsing - noun a failure to maintain a higher state
  • relate - verb give an account of;  have or establish a relationship to; be in a relationship with;  make a logical or causal connection;  have to do with or be relevant to
  • related - adj. connected by kinship, common origin, or marriage; being connected either logically or causally or by shared characteristics;  having close kinship and appropriateness;  similar or related in quality or character
  • relation - noun an abstraction belonging to or characteristic of two entities or parts together;  (usually plural) mutual dealings or connections among persons or groups;  an act of narration;  the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur;  (law) the principle that an act done at a later time is deemed by law to have occurred at an earlier time;  a person related by blood or marriage
  • relations - noun mutual dealings or connections or communications among persons or groups
  • relationship - noun a relation between people; (`relationship' is often used where `relation' would serve, as in `the relationship between inflation and unemployment', but the preferred usage of `relationship' is for human relations or states of relatedness);  a state of connectedness between people (especially an emotional connection);  a state involving mutual dealings between people or parties or countries;  (anthropology) relatedness or connection by blood or marriage or adoption
  • relative - adj. not absolute or complete;  properly related in size or degree or other measurable characteristics; usually followed by `to'; noun an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus); a person related by blood or marriage
  • relatively - adv. in a relative manner; by comparison to something else
  • relax - verb cause to feel relaxed;  become less tense, rest, or take one's ease;  make less tight;  become less severe or strict;  make less severe or strict;  become less tense, less formal, or less restrained, and assume a friendlier manner;  become loose or looser or less tight;  make less active or fast
  • relaxation - noun a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount;  an occurrence of control or strength weakening; (physics) the exponential return of a system to equilibrium after a disturbance;  (physiology) the gradual lengthening of inactive muscle or muscle fibers;  the act of making less strict;  freedom from activity (work or strain or responsibility);  a feeling of refreshing tranquility and an absence of tension or worry
  • relaxed - adj. made less tense or rigid;  without strain or anxiety
  • relaxing - adj. affording or marked by rest or repose
  • relays - noun a race between teams; each member runs or swims part of the distance
  • release - noun (music) the act or manner of terminating a musical phrase or tone;  a formal written statement of relinquishment;  activity that frees or expresses creative energy or emotion;  merchandise issued for sale or public showing (especially a record or film);  a device that when pressed will release part of a mechanism;  a process that liberates or discharges something;  the act of liberating someone or something;  the termination of someone's employment (leaving them free to depart);  the act of allowing a fluid to escape;  a legal document evidencing the discharge of a debt or obligation;  an announcement distributed to members of the press in order to supplement or replace an oral presentation;  euphemistic expressions for death;  verb part with a possession or right;  generate and separate from cells or bodily fluids;  eliminate (substances) from the body;  make (assets) available;  prepare and issue for public distribution or sale;  let (something) fall or spill a container;  release, as from one's grip;  grant freedom to; free from confinement;  make (information) available publication
  • released - adj. set free as from prison or duty
  • releasing - adj. emotionally purging (of e.g. art)
  • relevant - adj. having a bearing on or connection with the subject at issue
  • reliable - adj. worthy of reliance or trust;  conforming to fact and therefore worthy of belief;  worthy of being depended on
  • reliance - noun certainty based on past experience;  the state of relying on something
  • relic - noun an antiquity that has survived from the distant past; something of sentimental value
  • relief - noun the act of freeing a city or town that has been besieged; aid for the aged or indigent or handicapped;  assistance in time of difficulty;  sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background;  the feeling that comes when something burdensome is removed or reduced;  (law) redress awarded by a court;  the condition of being comfortable or relieved (especially after being relieved of distress);  the act of reducing something unpleasant (as pain or annoyance);  a change for the better;  someone who takes the place of another (as when things get dangerous or difficult);  a pause for relaxation
  • relieve - verb provide physical relief, as from pain;  alleviate or remove (pressure or stress) or make less oppressive;  take by stealing;  free from a burden, evil, or distress;  provide relief for;  grant exemption or release to;  relieve oneself of troubling information; lessen the intensity of or calm;  free someone temporarily from his or her obligations;  save from ruin, destruction, or harm;  grant relief or an exemption from a rule or requirement to
  • relieved - adj. (of pain or sorrow) made easier to bear
  • religious - adj. having or showing belief in and reverence for a deity; concerned with sacred matters or religion or the church;  extremely scrupulous and conscientious;  noun a member of a religious order who is bound by vows of poverty and chastity and obedience
  • relinquished - adj. given up often unwillingly;  that has been withdrawn or retreated from
  • reluctant - adj. not eager;  unwilling to become involved; unwillingness to do something contrary to your custom
  • rely - verb have confidence or faith in
  • rem - noun (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays;  a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
  • remain - verb be left; of persons, questions, problems, results, evidence, etc.; "There remains the question of who pulled the trigger";  stay the same; remain in a certain state;  continue in a place, position, or situation;  stay behind
  • remainder - noun the number that remains after subtraction; the number that when added to the subtrahend gives the minuend;  the part of the dividend that is left over when the dividend is not evenly divisible by the divisor;  something left after other parts have been taken away;  a piece of cloth that is left over after the rest has been used or sold;  verb sell cheaply as remainders
  • remaining - adj. not used up
  • remains - noun any object that is left unused or still extant;  the dead body of a human being
  • remark - noun explicit notice;  a statement that expresses a personal opinion or belief;  verb make mention of;  make or write a comment on
  • remarkable - adj. unusual or striking;  worthy of notice
  • remarkably - adv. to a remarkable degree or extent;  in a signal manner
  • remediable - adj. capable of being remedied or redressed
  • remedial - adj. tending or intended to rectify or improve;  tending to cure or restore to health
  • remedy - noun a medicine or therapy that cures disease or relieve pain;  act of correcting an error or a fault or an evil;  verb provide relief for;  set straight or right
  • remember - verb recall knowledge from memory; have a recollection;  keep in mind for attention or consideration;  recapture the past; indulge in memories;  exercise, or have the power of, memory;  mention favourably, as in prayer;  show appreciation to;  call to remembrance; keep alive the memory of someone or something, as in a ceremony;  mention as by way of greeting or to indicate friendship
  • remembering - noun the cognitive processes whereby past experience is remembered
  • remembrance - noun the ability to recall past occurrences;  a recognition of meritorious service
  • remission - noun (law) the act of remitting (especially the referral of a law case to another court);  an abatement in intensity or degree (as in the manifestations of a disease);  the act of absolving or remitting; formal redemption as pronounced by a priest in the sacrament of penance;  a payment of money sent to a person in another place
  • remittent - adj. (of a disease) characterized by periods of diminished severity
  • remnant - noun a piece of cloth that is left over after the rest has been used or sold;  a small part or portion that remains after the main part no longer exists
  • remote - adj. far apart in nature;  inaccessible and sparsely populated;  apart in space;  separate or apart in time;  very unlikely; noun a device that can be used to control a machine or apparatus from a distance
  • removable - adj. capable of being removed or taken away or dismissed;  able to be obliterated completely
  • removal - noun dismissal from office;  the act of removing
  • remove - noun degree of figurative distance or separation;  verbremove something concrete, as by lifting, pushing, or taking off, or remove something abstract;  get rid of something abstract;  shift the position or location of, as for business, legal, educational, or military purposes;  remove from a position or an office;  go away or leave; dispose of;  cause to leave;  kill intentionally and with premeditation
  • removed - adj. separated in relationship by a given degree of descent;  separate or apart in time;  taken out of or separated from
  • renal - adj. of or relating to the kidneys
  • render - noun a substance similar to stucco but exclusively applied to masonry walls;  verb cause to become;  pass down;  coat with plastic or cement;  give or supply;  give back;  make over as a return; melt (fat or lard) in order to separate out impurities;  restate (words) from one language into another language;  bestow;  show in, or as in, a picture;  give an interpretation or rendition of;  to surrender someone or something to another;  provide or furnish with
  • rendering - noun giving in acknowledgment of obligation; perspective drawing of an architect's design;  a coat of stucco applied to a masonry wall;  the act of interpreting something as expressed in an artistic performance;  an explanation of something that is not immediately obvious;  a written communication in a second language having the same meaning as the written communication in a first language;  a performance of a musical composition or a dramatic role etc.
  • renew - verb cause to appear in a new form;  reestablish on a new, usually improved, basis or make new or like new
  • renewed - adj. restored to a new condition
  • renewing - adj. tending to impart new life and vigor to
  • renin - noun a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure
  • rennet - noun a substance that curdles milk in making cheese and junket
  • rennin - noun an enzyme that occurs in gastric juice; causes milk to coagulate
  • rent - noun the act of rending or ripping or splitting something;  a regular payment by a tenant to a landlord for use of some property; an opening made forcibly as by pulling apart;  the return derived from cultivated land in excess of that derived from the poorest land cultivated under similar conditions;  verb let for money;  hold under a lease or rental agreement; of goods and services;  engage for service under a term of contract;  grant use or occupation of under a term of contract
  • reopen - verb open again or anew
  • rep - noun a fabric with prominent rounded crosswise ribs;  informal abbreviation of `representative'
  • repair - noun the act of putting something in working order again;  a formal way of referring to the condition of something;  a frequently visited place;  verb restore by replacing a part or putting together what is torn or broken;  move, travel, or proceed toward some place; give new life or energy to;  set straight or right;  make amends for; pay compensation for
  • repeat - noun an event that repeats;  verb to say again or imitate;  to say, state, or perform again;  do over;  happen or occur again;  repeat an earlier theme of a composition;  make or do or perform again
  • repeated - adj. recurring again and again
  • repeatedly - adv. several time
  • repeating - noun the act of doing or performing again
  • repel - verb force or drive back;  cause to move back by force or influence;  be repellent to; cause aversion in;  reject outright and bluntly;  fill with distaste
  • repellent - adj. incapable of absorbing or mixing with;  highly offensive; arousing aversion or disgust;  serving or tending to repel; noun the power to repel;  a chemical substance that repels animals; a compound with which fabrics are treated to repel water
  • repetition - noun the act of doing or performing again;  the repeated use of the same word or word pattern as a rhetorical device;  an event that repeats
  • replace - verb substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected);  put something back where it belongs;  put in the place of another; switch seemingly equivalent items;  take the place or move into the position of
  • replaceable - adj. capable of being replaced
  • replacement - noun the act of furnishing an equivalent person or thing in the place of another;  a person or thing that takes or can take the place of another;  an event in which one thing is substituted for another;  a person who follows next in order;  someone who takes the place of another person;  filling again by supplying what has been used up
  • replacing - noun the act of furnishing an equivalent person or thing in the place of another
  • repletion - noun eating until excessively full;  the state of being satisfactorily full and unable to take on more
  • report - noun a short account of the news;  the act of informing by verbal report;  a written document describing the findings of some individual or group;  a sharp explosive sound (especially the sound of a gun firing);  the general estimation that the public has for a person; an essay (especially one written as an assignment);  a written evaluation of a student's scholarship and deportment;  verb to give an account or representation of in words;  make known to the authorities;  complain about; make a charge against;  announce one's presence;  announce as the result of an investigation, or announce something to the proper authorities;  be responsible for reporting the details of, as in journalism
  • reported - adj. made known or told about; especially presented in a formal account
  • reporting - noun the news as presented by reporters for newspapers or radio or television
  • repose - noun a disposition free from stress or emotion;  freedom from activity (work or strain or responsibility);  the absence of mental stress or anxiety;  verb put or confide something in a person or thing; to put something (eg trust) in something;  lie when dead;  put in a horizontal position;  lean in a comfortable resting position;  be inherent or innate in
  • reposition - noun depositing in a warehouse;  verb place into another position;  change place or direction
  • reprehensible - adj. bringing or deserving severe rebuke or censure
  • represent - verb point out or draw attention to in protest or remonstrance;  describe or present, usually with respect to a particular quality;  serve as a means of expressing something;  create an image or likeness of;  be a delegate or spokesperson for; represent somebody's interest or be a proxy or substitute for, as of politicians and office holders representing their constituents, or of a tenant representing other tenants in a housing dispute;  be representative or typical for;  take the place of or be parallel or equivalent to;  to establish a mapping (of mathematical elements or sets);  bring forward and present to the mind;  express indirectly by an image, form, or model; be a symbol;  perform (a play), especially on a stage;  play a role or part;  be the defense counsel for someone in a trial;  form or compose;  be characteristic of
  • representation - noun an activity that stands as an equivalent of something or results in an equivalent;  the act of representing; standing in for someone or some group and speaking with authority in their behalf;  a creation that is a visual or tangible rendering of someone or something;  the right of being represented by delegates who have a voice in some legislative body;  a presentation to the mind in the form of an idea or image;  a statement of facts and reasons made in appealing or protesting;  a factual statement made by one party in order to induce another party to enter into a contract; a body of legislators that serve in behalf of some constituency;  the state of serving as an official and authorized delegate or agent;  a performance of play
  • representative - adj. being or characteristic of government by representation in which citizens exercise power through elected officers and representatives;  standing for something else;  serving to represent or typify;  noun a person who represents others;  an item of information that is representative of a type;  a member of the United States House of Representatives;  an advocate who represents someone else's policy or purpose
  • represented - adj. represented accurately or precisely
  • reproduce - verb have offspring or young;  make a copy or equivalent of;  recreate an idea, mood, atmosphere, etc. as by artistic means;  repeat after memorization
  • reproduction - noun the sexual activity of conceiving and bearing offspring;  the act of making copies;  recall that is hypothesized to work by storing the original stimulus input and reproducing it during recall;  the process of generating offspring;  copy that is not the original; something that has been copied
  • reproductive - adj. producing new life or offspring
  • reptile - noun any cold-blooded vertebrate of the class Reptilia including tortoises turtles snakes lizards alligators crocodiles and extinct forms
  • repugnance - noun intense aversion;  the relation between propositions that cannot both be true at the same time
  • repugnant - adj. offensive to the mind
  • repulsive - adj. possessing the ability to repel;  so extremely ugly as to be terrifying;  offensive to the mind
  • reputable - adj. having a good reputation
  • reputation - noun the general estimation that the public has for a person;  notoriety for some particular characteristic;  the state of being held in high esteem and honor
  • repute - noun the state of being held in high esteem and honor;  verblook on as or consider
  • reputed - adj. commonly put forth or accepted as true on inconclusive grounds
  • request - noun a formal message requesting something that is submitted to an authority;  the verbal act of requesting;  verb express the need or desire for; ask for;  ask (a person) to do something; inquire for (information)
  • requested - adj. asked for
  • require - verb make someone do something;  consider obligatory; request and expect;  have need of;  require as useful, just, or proper
  • required - adj. required by rule;  necessary for relief or supply
  • requirement - noun required activity;  something that is required in advance;  anything indispensable
  • requisite - adj. necessary for relief or supply;  noun anything indispensable
  • requisition - noun an official form on which a request in made;  the act of requiring; an authoritative request or demand, especially by a military or public authority that takes something over (usually temporarily) for military or public use;  seizing property that belongs to someone else and holding it until profits pay the demand for which it was seized;  verb make a formal request for official services; demand and take for use or service, especially by military or public authority for public service
  • res - noun a widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells
  • rescue - noun recovery or preservation from loss or danger;  verbtake forcibly from legal custody;  free from harm or evil
  • research - noun systematic investigation to establish facts;  a search for knowledge;  verb inquire into;  attempt to find out in a systematically and scientific manner
  • resect - verb surgically remove a part of a structure or an organ
  • resection - noun surgical removal of part of a structure or organ
  • resemblance - noun similarity in appearance or external or superficial details
  • resemble - verb appear like; be similar or bear a likeness to
  • reserve - noun the trait of being uncommunicative; not volunteering anything more than necessary;  something kept back or saved for future use or a special purpose;  (medicine) potential capacity to respond in order to maintain vital functions;  formality and propriety of manner;  armed forces that are not on active duty but can be called in an emergency;  a district that is reserved for particular purpose;  an athlete who plays only when a starter on the team is replaced;  verbobtain or arrange (for oneself) in advance;  hold back or set aside, especially for future use or contingency;  arrange for and reserve (something for someone else) in advance;  give or assign a resource to a particular person or cause
  • reserved - adj. cool and formal in manner;  marked by self-restraint and reticence;  set aside for the use of a particular person or party
  • reserves - noun civilians trained as soldiers but not part of the regular army
  • reservoir - noun tank used for collecting and storing a liquid (as water or oil);  lake used to store water for community use;  anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies;  a large or extra supply of something
  • resid - noun oil products that remain after petroleum has been distilled
  • reside - verb make one's home in a particular place or community; live (in a certain place);  be inherent or innate in
  • residence - noun the official house or establishment of an important person (as a sovereign or president);  any address at which you dwell more than temporarily;  the act of dwelling in a place;  a large and imposing house
  • resident - adj. living in a particular place;  used of animals that do not migrate;  noun someone who lives at a particular place for a prolonged period or who was born there;  a physician (especially an intern) who lives in a hospital and cares for hospitalized patients under the supervision of the medical staff of the hospital
  • residual - adj. relating to or indicating a remainder;  noun (often plural) a payment that is made to a performer or writer or director of a television show or commercial that is paid for every repeat showing;  something left after other parts have been taken away
  • residue - noun matter that remains after something has been removed;  something left after other parts have been taken away
  • residuum - noun something left after other parts have been taken away
  • resiliency - noun the physical property of a material that can return to its original shape or position after deformation that does not exceed its elastic limit;  an occurrence of rebounding or springing back
  • resilient - adj. recovering readily from adversity, depression, or the like;  elastic; rebounds readily
  • resin - noun any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
  • resinous - adj. having the characteristics of pitch or tar
  • resist - verb withstand the force of something;  stand up or offer resistance to somebody or something;  refuse to comply;  resist immunologically the introduction of some foreign tissue or organ; express opposition through action or words;  elude, especially in a baffling way
  • resistance - noun the action of opposing something that you disapprove or disagree with;  the military action of resisting the enemy's advance;  group action in opposition to those in power; (psychiatry) an unwillingness to bring repressed feelings into conscious awareness;  the degree of unresponsiveness of a disease-causing microorganism to antibiotics or other drugs (as in penicillin-resistant bacteria);  any mechanical force that tends to retard or oppose motion;  an electrical device that resists the flow of electrical current;  a secret group organized to overthrow a government or occupation force;  a material's opposition to the flow of electric current; measured in ohms;  (medicine) the condition in which an organism can resist disease
  • resistant - adj. impervious to being affected;  incapable of absorbing or mixing with;  disposed to or engaged in defiance of established authority;  relating to or conferring immunity (to disease or infection); able to tolerate environmental conditions or physiological stress
  • resolution - noun finding a solution to a problem;  a decision to do something or to behave in a certain manner;  analysis into clear-cut components;  a formal expression by a meeting; agreed to by a vote; (music) a dissonant chord is followed by a consonant chord;  the subsidence of swelling or other signs of inflammation (especially in a lung);  (computer science) the number of pixels per square inch on a computer-generated display; the greater the resolution, the better the picture;  the trait of being resolute;  something settled or resolved; the outcome of decision making;  a statement that solves a problem or explains how to solve the problem;  the ability of a microscope or telescope to measure the angular separation of images that are close together
  • resolvable - adj. capable of being settled or resolved;  capable of being solved
  • resolve - noun the trait of being resolute;  a formal expression by a meeting; agreed to by a vote;  verb find the solution;  make clearly visible;  cause to go into a solution;  understand the meaning of;  bring to an end; settle conclusively;  reach a decision;  reach a conclusion after a discussion or deliberation
  • resolved - adj. determined;  explained or answered
  • resolvent - noun a liquid substance capable of dissolving other substances
  • resolving - noun analysis into clear-cut components
  • resonance - noun the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities;  a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system;  an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation;  having the character of a loud deep sound; the quality of being resonant;  a relationship of mutual understanding or trust and agreement between people
  • resonant - adj. inducing resonance;  characterized by reverberation
  • resonator - noun any system that resonates;  an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude;  a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
  • resorcinol - noun a crystalline phenol obtained from various resins; used in ointments for acne and in dandruff shampoos
  • resorption - noun the organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilation
  • resort - noun a hotel located in a resort area;  act of turning to for assistance;  something or someone turned to for assistance or security;  a frequently visited place;  verb move, travel, or proceed toward some place;  have recourse to
  • resource - noun a source of aid or support that may be drawn upon when needed;  the ability to deal resourcefully with unusual problems;  available source of wealth; a new or reserve supply that can be drawn upon when needed
  • respect - noun (usually preceded by `in') a detail or point;  an attitude of admiration or esteem;  behavior intended to please your parents;  a courteous expression (by word or deed) of esteem or regard;  courteous regard for people's feelings;  a feeling of friendship and esteem;  the condition of being honored (esteemed or respected or well regarded);  verb regard highly; think much of;  show respect towards
  • respectable - adj. characterized by proper behavior or conventional conduct; worthy of respect;  large in amount or extent or degree; deserving of esteem and respect
  • respected - adj. receiving deferential regard;  having or worthy of pride
  • respective - adj. considered individually
  • respectively - adv. in the order given
  • respects - noun (often used with `pay') a formal expression of esteem
  • respiration - noun the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs;  a single complete act of breathing in and out;  the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
  • respirator - noun a breathing device for administering long-term artificial respiration;  a protective mask with a filter; protects the face and lungs against poisonous gases
  • respiratory - adj. pertaining to respiration
  • respire - verb undergo the biomedical and metabolic processes of respiration by taking up oxygen and producing carbon monoxide; breathe easily again, as after exertion or anxiety;  draw air into, and expel out of, the lungs
  • respond - verb respond favorably or as hoped;  show a response or a reaction to something;  reply or respond to
  • response - noun a phrase recited or sung by the congregation following a versicle by the priest or minister;  a result;  a bodily process occurring due to the effect of some foregoing stimulus or agent;  the manner in which something is greeted;  a statement (either spoken or written) that is made in reply to a question or request or criticism or accusation;  the speech act of continuing a conversational exchange
  • responsibility - noun a form of trustworthiness; the trait of being answerable to someone for something or being responsible for one's conduct;  the social force that binds you to the courses of action demanded by that force;  the proper sphere or extent of your activities
  • responsible - adj. being the agent or cause;  worthy of or requiring responsibility or trust; or held accountable;  having an acceptable credit rating
  • responsible for - adj. being the agent or cause
  • rest - noun freedom from activity (work or strain or responsibility);  a support on which things can be put;  a musical notation indicating a silence of a specified duration;  euphemisms for death (based on an analogy between lying in a bed and in a tomb);  a state of inaction; something left after other parts have been taken away;  a pause for relaxation;  verb be at rest;  take a short break from one's activities in order to relax;  give a rest to;  not move; be in a resting position;  put something in a resting position, as for support or steadying;  be inactive, refrain from acting;  be inherent or innate in;  stay the same; remain in a certain state;  rest on or as if on a pillow;  sit, as on a branch;  have a place in relation to something else
  • rested - adj. not tired; refreshed as by sleeping or relaxing
  • restitution - noun getting something back again;  the act of restoring something to its original state;  a sum of money paid in compensation for loss or injury
  • restless - adj. worried and uneasy;  ceaselessly in motion;  unable to relax or be still;  not affording rest
  • restlessness - noun inability to rest or relax or be still;  the quality of being ceaselessly moving or active;  a lack of patience; irritation with anything that causes delay;  a feeling of agitation expressed in continual motion
  • restoration - noun the act of restoring something or someone to a satisfactory state;  the re-establishment of the British monarchy in 1660;  a model that represents the landscape of a former geological age or that represents and extinct animal etc.;  some artifact that has been restored or reconstructed;  the reign of Charles II in England; 1660-1685;  getting something back again;  the state of being restored to its former good condition
  • restorative - adj. promoting recuperation;  tending to impart new life and vigor to;  noun a device for treating injury or disease;  a medicine that strengthens and invigorates
  • restore - verb give or bring back;  bring back into original existence, use, function, or position;  return to its original or usable and functioning condition;  return to life; get or give new life or energy; restore by replacing a part or putting together what is torn or broken
  • restrain - verb hold back;  to close within bounds, limit or hold back from movement;  keep under control; keep in check;  place limits on (extent or access);  to compel or deter by or as if by threats
  • restrained - adj. under restraint;  prudent;  cool and formal in manner;  free from ostentation or pretension;  not showy or obtrusive; marked by avoidance of extravagance or extremes
  • restraint - noun the of act controlling by restraining someone or something;  a device that retards something's motion;  discipline in personal and social activities;  a rule or condition that limits freedom; lack of ornamentation;  the state of being physically constrained
  • restrict - verb place limits on (extent or access);  place restrictions on;  place under restrictions; limit access to;  make more specific
  • restricted - adj. the lowest level of official classification for documents;  restricted in meaning; (as e.g. `man' in `a tall man'); subject to restriction or subjected to restriction;  curbed or regulated
  • restriction - noun the act of keeping something within specified bounds (by force if necessary);  a principle that limits the extent of something;  an act of limiting or restricting (as by regulation)
  • result - noun something that results;  the semantic role of the noun phrase whose referent exists only by virtue of the activity denoted by the verb in the clause;  a statement that solves a problem or explains how to solve the problem;  a phenomenon that follows and is caused by some previous phenomenon;  verb issue or terminate (in a specified way, state, etc.); end;  have as a result or residue
  • resultant - adj. following as an effect or result;  noun the final point in a process;  a vector that is the sum of two or more other vectors; something that results
  • resulting - adj. following as an effect or result
  • resume - noun a summary of your academic and work history;  short descriptive summary (of events);  verb take up or begin anew;  return to a previous location or condition;  assume anew;  give a summary (of)
  • resumption - noun beginning again
  • resuscitation - noun the act of reviving a person and returning them to consciousness
  • ret - verb place (flax, hemp, or jute) in liquid so as to promote loosening of the fibers form the woody tissue
  • retain - verb keep in one's mind;  secure and keep for possible future use or application;  allow to remain in a place or position;  hold within
  • retained - adj. continued in your keeping or use or memory
  • retard - noun a person of subnormal intelligence;  verb cause to move more slowly or operate at a slower rate;  be delayed;  lose velocity; move more slowly;  slow the growth or development of
  • retardation - noun lack of normal development of intellectual capacities;  the extent to which something is delayed or held back; the act of slowing down or falling behind;  a decrease in rate of change;  any agent that retards or delays or hinders
  • retarded - adj. relatively slow in mental or emotional or physical development;  noun people collectively who are mentally retarded
  • rete - noun a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels
  • retention - noun the act of retaining something;  the power of retaining liquid;  the power of retaining and recalling past experience
  • retentive - adj. having the power, capacity, or quality of retaining water;  good at remembering;  having the capacity to retain something
  • reticence - noun the trait of being uncommunicative; not volunteering anything more than necessary
  • reticular - adj. resembling or forming a network
  • reticulate - adj. resembling or forming a network;  verb divide so as to form a network;  distribute by a network, as of water or electricity; form a net or a network
  • retina - noun the light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
  • retinal - adj. in or relating to the retina of the eye;  noun either of two yellow to red retinal pigments formed from rhodopsin by the action of light
  • retinitis - noun inflammation of the retina
  • retiring - adj. not arrogant or presuming;  moving toward a position farther from the front;  reluctant to draw attention to yourself;  of a person who has held and relinquished a position or office
  • retort - noun a vessel where substances are distilled or decomposed by heat;  a quick reply to a question or remark (especially a witty or critical one);  verb answer back
  • retrace - verb reassemble mentally;  to go back over again
  • retract - verb use a surgical instrument to hold open (the edges of a wound or an organ);  formally reject or disavow a formerly held belief, usually under pressure;  pull inward or towards a center;  pull away from a source of disgust or fear
  • retracted - adj. drawn back and in
  • retractile - adj. capable of retraction; capable of being drawn back
  • retraction - noun the act of pulling or holding or drawing a part back;  a disavowal or taking back of a previous assertion
  • retractor - noun surgical instrument that holds back the edges of a surgical incision
  • retrenchment - noun the reduction of expenditures in order to become financial stable;  entrenchment consisting of an additional interior fortification to prolong the defense
  • retro - adj. affecting things past;  noun a fashion reminiscent of the past
  • retroflexion - noun the act of bending backward;  an articulatory gesture made by turning the tip of the tongue back against the roof of the mouth;  a turning or tilting backward of an organ or body part
  • retrograde - adj. of amnesia; affecting time immediately preceding trauma;  moving from east to west on the celestial sphere; or--for planets--around the sun in a direction opposite to that of the Earth; going from better to worse;  moving or directed or tending in a backward direction or contrary to a previous direction;  verb go back over;  move back;  move in a direction contrary to the usual one; move backward in an orbit, of celestial bodies;  get worse or fall back to a previous condition
  • retrogression - noun returning to a former state;  passing from a more complex to a simpler biological form
  • retrogressive - adj. going from better to worse
  • retroversion - noun translation back into the original language;  a turning or tilting backward of an organ or body part;  returning to a former state
  • return - noun a coming to or returning home;  the act of going back to a prior location;  (American football) the act of running back the ball after a kickoff or punt or interception or fumble;  a tennis stroke that sends the ball back to the other player;  a reciprocal group action;  the occurrence of a change in direction back in the opposite direction;  the income or profit arising from such transactions as the sale of land or other property;  the act of someone appearing again; getting something back again;  the key on electric typewriters or computer keyboards that causes a carriage return and a line feed; document giving the tax collector information about the taxpayer's tax liability;  a quick reply to a question or remark (especially a witty or critical one);  happening again (especially at regular intervals); verb submit (a report, etc.) to someone in authority;  make a return; come back to place where one has been before, or return to a previous activity;  return to a previous position; in mathematics;  bring back to the point of departure;  return in kind;  go back to a previous state;  be restored;  answer back;  go back to something earlier;  pass down;  give or supply;  be inherited by;  pay back;  give back;  elect again
  • returning - adj. tending to be turned back;  tending to return to an earlier state
  • reunion - noun the act of coming together again;  a party of former associates who have come together again
  • reunite - verb have a reunion; unite again;  unify again, as of a country
  • reveal - verb make clear and visible;  disclose directly or through prophets;  make known to the public information that was previously known only to a few people or that was meant to be kept a secret; make visible
  • revealed - adj. no longer concealed; uncovered as by opening a curtain; `discovered' is archaic and primarily a theater term
  • revealing - adj. disclosing unintentionally;  showing or making known;  noun the speech act of making something evident
  • revenue - noun the entire amount of income before any deductions are made;  government income due to taxation
  • reversal - noun a change from one state to the opposite state;  a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside;  a decision to reverse an earlier decision;  turning in an opposite direction or position;  a major change in attitude or principle or point of view;  the act of reversing the order or place of;  turning in the opposite direction;  an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
  • reverse - adj. of the transmission gear causing backward movement in a motor vehicle;  reversed (turned backward) in order or nature or effect;  directed or moving toward the rear;  noun (American football) a running play in which a back running in one direction hands the ball to a back running in the opposite direction;  the gears by which the motion of a machine can be reversed;  the side of a coin or medal that does not bear the principal design;  an unfortunate happening that hinders or impedes; something that is thwarting or frustrating;  a relation of direct opposition;  turning in the opposite direction;  verb change to the contrary;  turn inside out or upside down;  rule against;  annul by recalling or rescinding
  • reversed - adj. turned inside out and resewn;  turned about in order or relation
  • reversely - adv. in an opposite way; so as to be reversed
  • reversible - adj. capable of assuming or producing either of two states;  capable of reversing or being reversed;  capable of being reversed or used with either side out;  capable of being reversed; noun a garment (especially a coat) that can be worn inside out (with either side of the cloth showing)
  • reversion - noun turning in the opposite direction;  a return to a normal phenotype (usually resulting from a second mutation);  (law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee);  a failure to maintain a higher state;  returning to a former state;  a reappearance of an earlier characteristic
  • revert - verb undergo reversion, as in a mutation;  go back to a previous state
  • review - noun practice intended to polish performance or refresh the memory;  (law) a judicial reexamination of the proceedings of a court (especially by an appellate court);  an essay or article that gives a critical evaluation (as of a book or play);  a periodical that publishes critical essays on current affairs or literature or art;  (accounting) a service (less exhaustive than an audit) that provides some assurance to interested parties as to the reliability of financial data;  a subsequent examination of a patient for the purpose of monitoring earlier treatment;  a formal or official examination;  a new appraisal or evaluation;  a summary at the end that repeats the substance of a longer discussion;  a variety show with topical sketches and songs and dancing and comedians;  verb look at again; examine again; look back upon (a period of time, sequence of events); remember; hold a review (of troops);  refresh one's memory;  appraise critically
  • revised - adj. improved or brought up to date;  altered or revised by rephrasing or by adding or deleting material
  • revision - noun the act of revising or altering (involving reconsideration and modification);  the act of rewriting something; something that has been written again
  • revive - verb restore from a depressed, inactive, or unused state;  be brought back to life, consciousness, or strength;  return to consciousness;  give new life or energy to;  cause to regain consciousness
  • reviving - adj. tending to impart new life and vigor to
  • revolution - noun the overthrow of a government by those who are governed;  a drastic and far-reaching change in ways of thinking and behaving;  a single complete turn (axial or orbital)
  • revolved - adj. turned in a circle around an axis
  • revolver - noun a pistol with a revolving cylinder (usually having six chambers for bullets);  a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings
  • revulsion - noun intense aversion
  • rf - noun a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone;  a radioactive transuranic element which has been synthesized;  a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland
  • rh - noun any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each of these hormones causes the anterior pituitary to secrete a specific hormone;  a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum;  a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia
  • rhabdomyoma - noun benign rumor of striated muscle
  • rhagades - noun cracks or fissures in the skin (especially around the mouth or anus)
  • rhamnus - noun type genus of the Rhamnaceae: buckthorns
  • rhea - noun larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia;  smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan;  fertility goddess in ancient Greek mythology; wife of Cronus and mother of Zeus; identified with Roman Ops and Cybele of ancient Asia Minor
  • rhein - noun a major European river carrying more traffic than any other river in the world; flows into the North Sea
  • rheostat - noun resistor for regulating current
  • rheum - noun rhubarb;  a watery discharge from the mucous membranes (especially from the eyes or nose)
  • rheumatic - adj. of or pertaining to arthritis;  noun a person suffering with rheumatism
  • rheumatism - noun any painful disorder of the joints or muscles or connective tissues;  a chronic autoimmune disease with inflammation of the joints and marked deformities; something (possibly a virus) triggers an attack on the synovium by the immune system, which releases cytokines that stimulate an inflammatory reaction that can lead to the destruction of all components of the joint
  • rheumatoid - adj. of or pertaining to arthritis
  • rhine - noun a major European river carrying more traffic than any other river in the world; flows into the North Sea;  United States parapsychologist (1895-1980)
  • rhinitis - noun an inflammation of the mucous membrane lining the nose (usually associated with nasal discharge)
  • rhinophyma - noun enlargement of the nose with dilation of follicles and redness and prominent vascularity of the skin; often associated with excessive consumption of alcohol
  • rhinoplasty - noun cosmetic surgery to improve the appearance of your nose
  • rhinoscope - noun medical instrument consisting of a mirror mounted at an angle on a rod; used to examine the nasal passages (through the nasopharynx)
  • rhinoscopy - noun examination of the nasal passages (either through the anterior nares or with a rhinoscope through the nasopharynx)
  • rhizome - noun a horizontal plant stem with shoots above and roots below serving as a reproductive structure
  • rhodesia - noun a landlocked republic in south central Africa formerly called Rhodesia; achieved independence from the United Kingdom in 1980
  • rhombic - adj. resembling a rhombus
  • rhombohedral - adj. having threefold symmetry
  • rhomboid - adj. shaped like a rhombus or rhomboid;  noun any of several muscles of the upper back that help move the shoulder blade;  a parallelogram with adjacent sides of unequal lengths; an oblique-angled parallelogram with only the opposite sides equal
  • rhonchus - noun a sound like whistling or snoring that is heard with a stethoscope during expiration as air passes through obstructed channels
  • rhone - noun a major French river; flows into the Mediterranean near Marseilles
  • rhubarb - noun plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous;  long pinkish sour leafstalks usually eaten cooked and sweetened
  • rhus - noun deciduous or evergreen shrubs and shrubby trees of temperate and subtropical North America, South Africa, eastern Asia and northeastern Australia; usually limited to nonpoisonous sumacs (see genus Toxicodendron)
  • rhythm - noun recurring at regular intervals;  the arrangement of spoken words alternating stressed and unstressed elements;  the basic rhythmic unit in a piece of music;  natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle);  an interval during which a recurring sequence of events occurs
  • rhythmic - adj. recurring with measured regularity
  • rhythmical - adj. recurring with measured regularity
  • rhythmically - adv. in a rhythmic manner
  • ri - noun a state in New England; one of the original 13 colonies; the smallest state
  • rial - noun the basic unit of money in Iran;  the basic unit of money in Oman;  the basic unit of money in Yemen; equal to 100 fils
  • rib - noun support resembling the rib of an animal;  a projecting molding on the underside of a vault or ceiling; may be ornamental or structural;  a riblike supporting or strengthening part of an animal or plant;  any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates);  a teasing remark;  cut of meat including one or more ribs;  verb form vertical ribs by knitting;  subject to laughter or ridicule
  • ribbon - noun notion consisting of a narrow strip of fine material used for trimming;  a long strip of inked material for making characters on paper with a typewriter;  any long object resembling a thin line;  an award for winning a championship or commemorating some other event
  • ribbonlike - adj. long and thin; resembling a ribbon
  • rice - noun grains used as food either unpolished or more often polished;  United States playwright (1892-1967);  English lyricist who frequently worked with Andrew Lloyd Webber (born in 1944);  annual or perennial rhizomatous marsh grasses; seed used for food; straw used for paper;  verb sieve so that it becomes the consistency of rice
  • rich - adj. pleasantly full and mellow;  very productive;  possessing material wealth;  having an abundant supply of desirable qualities or substances (especially natural resources);  suggestive of or characterized by great expense;  high in mineral content; having a high proportion of fuel to air;  of great worth or quality;  containing plenty of fat, or eggs, or sugar;  affording an abundant supply; strong; intense;  marked by great fruitfulness;  marked by richness and fullness of flavor;  noun people who have possessions and wealth (considered as a group)
  • richards - noun English literary critic who collaborated with C. K. Ogden and contributed to the development of Basic English (1893-1979)
  • richardson - noun British stage and screen actor noted for playing classic roles (1902-1983);  United States architect (1838-1886)
  • richmond - noun capital of the state of Virginia located in the east central part of the state; was capital of the Confederacy during the American Civil War
  • richness - noun a strong deep vividness of hue;  the property of producing abundantly and sustaining vigorous and luxuriant growth; the quality of having high intrinsic value;  splendid or imposing in size or appearance;  the property of a sensation that is rich and pleasing; the property of being extremely abundant;  abundant wealth
  • ricin - noun a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon
  • ricinus - noun a genus of herb having only one known species: castor-oil plant
  • rickets - noun childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus
  • rickety - adj. inclined to shake as from weakness or defect;  affected with, suffering from, or characteristic of rickets;  lacking physical strength or vitality
  • rico - noun law intended to eradicate organized crime by establishing strong sanctions and forfeiture provisions
  • rid - verb relieve from
  • riddance - noun the act of forcing out someone or something;  the act of removing or getting rid of something
  • riddled - adj. (often followed by `with') damaged throughout by numerous perforations or holes;  spread throughout
  • ride - noun a mechanical device that you ride for amusement or excitement;  a journey in a vehicle (usually an automobile);  verbcopulate with;  keep partially engaged by slightly depressing a pedal with the foot;  move like a floating object;  ride over, along, or through; be carried or travel on or in a vehicle;  sit and travel on the back of animal, usually while controlling its motions;  climb up on the body; sit on and control a vehicle;  continue undisturbed and without interference;  lie moored or anchored;  be sustained or supported or borne;  harass with persistent criticism or carping;  be contingent on; have certain properties when driven
  • ridge - noun a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters;  any long raised border or margin of a bone or tooth or membrane;  a long narrow natural elevation or striation;  a long narrow range of hills;  a long narrow natural elevation on the floor of the ocean;  any long raised strip;  verb form into a ridge;  spade into alternate ridges and troughs;  throw soil toward (a crop row) from both sides;  plough alternate strips by throwing the furrow onto an unploughed strip;  extend in ridges
  • ridicule - noun language or behavior intended to mock or humiliate; the act of deriding or treating with contempt;  verb subject to laughter or ridicule
  • riding - adj. traveling by wheeled vehicle such as bicycle or automobile e.g.;  noun to be carried on horseback as a means of transportation;  the sport of siting on the back of a horse while controlling its movements
  • rife - adj. excessively abundant;  encountered generally especially at the present time
  • rifle - noun a shoulder firearm with a long barrel and a rifled bore; verb go through in search of something; search through someone's belongings in an unauthorized way;  steal goods; take as spoils
  • rig - noun gear (including necessary machinery) for a particular enterprise;  formation of masts, spars, sails, etc., on a vessel;  the act of swindling by some fraudulent scheme;  a vehicle with wheels drawn by one or more horses;  gear used in fishing;  a set of clothing (with accessories);  a truck consisting of a tractor and trailer together; verb equip with sails or masts;  connect or secure to;  manipulate in a fraudulent manner;  arrange the outcome of by means of deceit
  • right - adj. correct in opinion or judgment;  (of the side of cloth or clothing) facing or intended to face outward;  having the axis perpendicular to the base;  intended for the right hand;  of or belonging to the political or intellectual right;  being or located on or directed toward the side of the body to the east when facing north;  in conformance with justice or law or morality;  in or into a satisfactory condition;  appropriate for a condition or purpose or occasion or a person's character, needs;  free from error; especially conforming to fact or truth;  most suitable or right for a particular purpose;  socially right or correct;  in accord with accepted standards of usage or procedure;  adv. exactly;  immediately;  an interjection expressing agreement;  precisely, exactly;  completely;  toward or on the right; also used figuratively;  (Southern regional intensive) very;  in the right manner;  in a correct manner;  in accordance with moral or social standards;  noun a turn toward the side of the body that is on the south when the person is facing east;  anything in accord with principles of justice;  an abstract idea of that which is due to a person or governmental body by law or tradition or nature;  the hand that is on the right side of the body;  those who support political or social or economic conservatism; those who believe that things are better left unchanged;  location near or direction toward the right side; i.e. the side to the south when a person or object faces east;  (frequently plural) the interest possessed by law or custom in some intangible thing;  the piece of ground in the outfield on the catcher's right;  verbregain an upright or proper position;  put in or restore to an upright position;  make reparations or amends for;  make right or correct
  • right-angled - adj. forming a right angle or containing one or more right angles
  • right-handed - adj. using or intended for the right hand;  rotating to the right
  • right-minded - adj. disposed toward or having views based on what is right
  • rightly - adv. with honesty
  • rigid - adj. incapable of or resistant to bending;  designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure;  incapable of compromise or flexibility;  incapable of adapting or changing to meet circumstances;  fixed and unmoving
  • rigidity - noun the physical property of being stiff and resisting bending;  the quality of being rigid and rigorously severe
  • rigidly - adv. in a rigid manner
  • rigor - noun excessive sternness;  something hard to endure;  the quality of being logically valid
  • rigorous - adj. demanding strict attention to rules and procedures; rigidly accurate; allowing no deviation from a standard
  • rigorously - adv. in a rigorous manner
  • rile - verb make turbid by stirring up the sediments of;  cause annoyance in; disturb, especially by minor irritations
  • rim - noun the outer part of a wheel to which the tire is attached; (basketball) the hoop from which the net is suspended;  the shape of a raised edge of a more or less circular object;  the top edge of a vessel or other container;  a projection used for strength or for attaching to another object;  verb roll around the rim of;  furnish with a rim;  run around the rim of
  • rima - noun a narrow elongated opening or fissure between two symmetrical parts
  • rind - noun the natural outer covering of food (usually removed before eating);  the tissue forming the hard outer layer (of e.g. a fruit)
  • ring - noun jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger;  a square platform marked off by ropes in which contestants box or wrestle;  a characteristic sound; the sound of a bell ringing;  a toroidal shape;  a strip of material attached to the leg of a bird to identify it (as in studies of bird migration);  a rigid circular band of metal or wood or other material used for holding or fastening or hanging or pulling;  an association of criminals;  (chemistry) a chain of atoms in a molecule that forms a closed loop;  verb attach a ring to the foot of, in order to identify; sound loudly and sonorously;  make (bells) ring, often for the purposes of musical edification;  get or try to get into communication (with someone) by telephone;  ring or echo with sound;  be around
  • ring finger - noun the third finger (especially of the left hand)
  • ring-shaped - adj. shaped like a ring
  • ringed - adj. wearing a wedding ring; lawfully married;  having colored rings around the body;  adorned or crowned with a circlet; sometimes used as combining forms;  shaped like a ring
  • ringer - noun (horseshoes) the successful throw of a horseshoe or quoit so as to encircle a stake or peg;  a contestant entered in a competition under false pretenses;  a person who is almost identical to another;  a person who rings church bells (as for summoning the congregation)
  • ringing - adj. having a tendency to reverberate or be repeatedly reflected;  noun the giving of a ring as a token of engagement; having the character of a loud deep sound; the quality of being resonant;  the sound of a bell ringing
  • ringlike - adj. having the shape of a ring
  • rings - noun gymnastic apparatus consisting of a pair of heavy metal circles (usually covered with leather) suspended by ropes; used for gymnastic exercises
  • ringworm - noun infections of the skin or nails caused by fungi and appearing as itching circular patches
  • rinse - noun washing lightly without soap;  the act of giving a light tint to the hair;  the removal of soap with clean water in the final stage of washing;  a liquid preparation used on wet hair to give it a tint;  verbwash off soap or remaining dirt;  rinse one's mouth and throat with mouthwash;  clean with some chemical process
  • rinsing - noun the removal of soap with clean water in the final stage of washing
  • rio - noun the former capital and 2nd largest city of Brazil; chief Brazilian port; famous as a tourist attraction
  • ripe - adj. at the highest point of development especially in judgment or knowledge;  fully developed or matured and ready to be eaten or used;  fully prepared or eager;  far along in time;  most suitable or right for a particular purpose
  • ripened - adj. of wines, fruit, cheeses; having reached a desired or final condition; (`aged' pronounced as one syllable)
  • ripeness - noun the state of being ripe
  • ripening - noun acquiring desirable qualities by being left undisturbed for some time;  coming to full development; becoming mature
  • rise - noun the act of changing location in an upward direction;  an increase in cost;  a growth in strength or number or importance;  a movement upward;  increase in price or value;  the property possessed by a slope or surface that rises;  the amount a salary is increased;  (theology) the origination of the Holy Spirit at Pentecost; a wave that lifts the surface of the water or ground;  an upward slope or grade (as in a road);  verb increase in value or to a higher point; rise in rank or status;  exert oneself to meet a challenge;  become heartened or elated;  move upward;  come up, of celestial bodies; increase in volume;  rise up;  get up and out of bed;  return from the dead;  become more extreme;  go up or advance;  be promoted, move to a better position;  rise to one's feet;  come to the surface;  take part in a rebellion; renounce a former allegiance;  come into existence; take on form or shape
  • risen - adj. (of e.g. celestial bodies) above the horizon
  • rising - adj. newly come into prominence;  advancing or becoming higher or greater in degree or value or status;  coming to maturity; sloping upward;  noun organized opposition to authority; a conflict in which one faction tries to wrest control from another;  a movement upward
  • risk - noun a venture undertaken without regard to possible loss or injury;  the probability of being exposed to an infectious agent;  the probability of becoming infected given that exposure to an infectious agent has occurred;  a source of danger; a possibility of incurring loss or misfortune;  verb expose to a chance of loss or damage;  take a risk in the hope of a favorable outcome
  • risky - adj. involving risk or danger;  not financially safe or secure
  • river - noun a large natural stream of water (larger than a creek)
  • riviera - noun a coastal area between La Spezia in Italy and Cannes in France
  • ro - noun an artificial language for international use that rejects all existing words and is based instead on an abstract analysis of ideas
  • road - adj. taking place over public roads;  working for a short time in different places;  noun a way or means to achieve something;  an open way (generally public) for travel or transportation
  • roads - noun a partly sheltered anchorage
  • roadside - noun edge of a way or road or path
  • roaring - adj. loud enough to cause (temporary) hearing loss;  very lively and profitable;  adv. extremely;  noun a very loud utterance (like the sound of an animal);  a deep prolonged loud noise
  • roast - adj. (meat) cooked by dry heat in an oven;  noun a piece of meat roasted or for roasting and of a size for slicing into more than one portion;  negative criticism;  verb cook with dry heat, usually in an oven;  subject to laughter or ridicule
  • roasted - adj. (meat) cooked by dry heat in an oven
  • roasting - noun cooking (meat) by dry heat in an oven (usually with fat added)
  • robbery - noun larceny by threat of violence;  plundering during riots or in wartime
  • robert - noun United States parliamentary authority and author (in 1876) of Robert's Rules of Order (1837-1923)
  • roberts - noun a Welsh pirate credited with having taken more than 400 ships (1682-1722);  United States writer remembered for his historical novels about colonial America (1885-1957);  United States evangelist (born 1918);  United States biochemist (born in England) honored for his discovery that some genes contain introns (born in 1943)
  • robertson - noun United States basketball guard (born in 1938)
  • robin - noun large American thrush having a rust-red breast and abdomen;  small Old World songbird with a reddish breast
  • robinson - noun United States film actor noted for playing gangster roles (1893-1973);  United States poet; author of narrative verse (1869-1935);  United States baseball player; first Black to play in the major leagues (1919-1972);  United States historian who stressed the importance of intellectual and social events for the course of history (1863-1936);  Irish playwright and theater manager in Dublin (1886-1958);  United States prizefighter who won the world middleweight championship five times and the world welterweight championship once (1921-1989);  English chemist noted for his studies of molecular structures in plants (1886-1975)
  • robust - adj. rough and crude;  physically strong;  strong enough to withstand or overcome intellectual challenges or adversity;  marked by richness and fullness of flavor
  • rochester - noun a town in southeast Minnesota;  a city in western New York; a center of the photographic equipment industry
  • rock - noun pitching dangerously to one side;  a lump or mass of hard consolidated mineral matter;  (figurative) someone who is strong and stable and dependable;  United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984);  material consisting of the aggregate of minerals like those making up the Earth's crust;  a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western;  hard bright-colored stick candy (typically flavored with peppermint);  verb move back and forth or sideways;  cause to move back and forth
  • rock crystal - noun a clear quartz used in making electronic and optical equipment
  • rock salt - noun naturally occurring crystalline sodium chloride
  • rockefeller - noun United States industrialist who made a fortune in the oil business and gave half of it away (1839-1937)
  • rockies - noun the chief mountain range of western North America; extends from British Columbia to northern New Mexico; forms the continental divide
  • rocky - adj. full of hardship or trials;  abounding in rocks or stones; liable to rock;  causing or characterized by jolts and irregular movements
  • rod - noun any rod-shaped bacterium;  a long thin implement made of metal or wood;  visual receptor cell sensitive to dim light;  a gangster's pistol;  a square rod of land;  a linear measure of 16.5 feet
  • rod-shaped - adj. resembling a rod;  formed like a bacillus
  • rodent - noun relatively small gnawing animals having a single pair of constantly growing incisor teeth specialized for gnawing
  • roe - noun the eggs or egg-laden ovary of a fish;  the egg mass or spawn of certain crustaceans such as the lobster;  eggs of female fish;  fish eggs or egg-filled ovary; having a grainy texture
  • roentgen - noun German physicist who discovered x-rays and developed roentgenography (1845-1923);  a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
  • roentgenogram - noun a radiogram made by exposing photographic film to X rays; used in medical diagnosis
  • roentgenography - noun radiography that uses X-rays to produce a roentgenogram
  • role - noun normal or customary activity of a person in a particular social setting;  the actions and activities assigned to or required or expected of a person or group;  what something is used for;  an actor's portrayal of someone in a play
  • roll - noun the act of rolling something (as the ball in bowling);  a flight maneuver; aircraft rotates about its longitudinal axis without changing direction or losing altitude;  walking with a swaying gait; anything rolled up in cylindrical form;  photographic film rolled up inside a container to protect it from light;  a list of names;  the act of throwing dice;  a document that can be rolled up (as for storage);  a long heavy sea wave as it advances towards the shore;  the sound of a drum (especially a snare drum) beaten rapidly and continuously;  a deep prolonged sound (as of thunder or large bells);  rotary motion of an object around its own axis;  small rounded bread either plain or sweet;  a roll of currency notes (often taken as the resources of a person or business etc.);  a round shape formed by a series of concentric circles (as formed by leaves or flower petals);  verbexecute a roll, in tumbling;  show certain properties when being rolled;  take the shape of a roll or cylinder;  shape by rolling; pronounce with a roll, of the phoneme /r/; "She rolls her r's";  begin operating or running;  move by turning over or rotating;  cause to move by turning over or in a circular manner of as if on an axis; move, rock, or sway from side to side;  move about aimlessly or without any destination, often in search of food or employment; move in a wavy pattern or with a rising and falling motion;  emit, produce, or utter with a deep prolonged reverberating sound;  occur in soft rounded shapes;  boil vigorously;  flatten or spread with a roller;  wrap or coil around;  move along on or as if on wheels or a wheeled vehicle;  sell something to or obtain something from by energetic and especially underhanded activity
  • rolled - adj. uttered with a trill;  rolled up and secured;  especially of petals or leaves in bud; having margins rolled inward
  • roller - noun a grounder that rolls along the infield;  pigeon that executes backward somersaults in flight or on the ground;  Old World bird that tumbles or rolls in flight; related to kingfishers;  a cylinder that revolves;  a small wheel without spokes (as on a roller skate);  a long heavy sea wave as it advances towards the shore;  a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
  • roller bandage - noun bandage consisting of a strip of sterile fabric (of variable width) rolled into a cylinder to facilitate application
  • rolling - adj. moving in surges and billows and rolls;  uttered with a trill;  characterized by reverberation;  noun the act of robbing a helpless person;  propelling something on wheels;  a deep prolonged sound (as of thunder or large bells)
  • rom - noun (computer science) memory whose contents can be accessed and read but cannot be changed
  • roma - noun capital and largest city of Italy; on the Tiber; seat of the Roman Catholic Church; formerly the capital of the Roman Republic and the Roman Empire;  a member of a people with dark skin and hair who speak Romany and who traditionally live by seasonal work and fortunetelling; they are believed to have originated in northern India but now are living on all continents (but mostly in Europe, North Africa, and North America)
  • roman - adj. of or relating to or derived from Rome (especially ancient Rome);  relating to or characteristic of people of Rome;  of or relating to or supporting Romanism;  characteristic of the modern type that most directly represents the type used in ancient Roman inscriptions;  noun a typeface used in ancient Roman inscriptions;  a resident of modern Rome;  an inhabitant of the ancient Roman Empire
  • romberg - noun United States composer (born in Hungary) who composed operettas (1887-1951)
  • rome - noun the leadership of the Roman Catholic Church;  capital and largest city of Italy; on the Tiber; seat of the Roman Catholic Church; formerly the capital of the Roman Republic and the Roman Empire
  • ron - noun a Chadic language spoken in northern Nigeria
  • rood - noun representation of the cross on which Jesus died
  • roof - noun a protective covering that covers or forms the top of a building;  protective covering on top of a motor vehicle;  verb provide a building with a roof; cover a building with a roof
  • room - noun an area within a building enclosed by walls and floor and ceiling;  the people who are present in a room;  space for movement;  opportunity for;  verb live and take one's meals at or in
  • roominess - noun spatial largeness and extensiveness (especially inside a building);  intellectual breadth
  • rooms - noun apartment consisting of a series of connected rooms used as a living unit (as in a hotel)
  • root - noun the part of a tooth that is embedded in the jaw and serves as support;  (linguistics) the form of a word after all affixes are removed;  (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground;  a number that when multiplied by itself some number of times equals a given number;  a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes;  the set of values that give a true statement when substituted into an equation;  the place where something begins, where it springs into being;  someone from whom you are descended (but usually more remote than a grandparent); verb take root and begin to grow;  cause to take roots;  plant by the roots;  come into existence, originate;  become settled or established and stable in one's residence or life style;  take sides with; align oneself with; show strong sympathy for;  dig with the snout
  • rooted - adj. having roots of a specified sort;  absolutely still
  • roots - noun the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage
  • rope - noun a strong line;  street names for flunitrazepan;  verb fasten with a rope;  catch with a lasso
  • rophy - noun street names for flunitrazepan
  • ropy - adj. forming viscous or glutinous threads;  of or resembling rope (or ropes) in being long and strong;  (British informal) very poor in quality
  • rosa - noun large genus of erect or climbing prickly shrubs including roses
  • rosacea - noun a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance
  • rosary - noun a string of beads used in counting prayers (especially by Catholics)
  • rose - adj. of something having a dusty purplish pink color;  noun a dusty pink color;  any of many shrubs of the genus Rosa that bear roses;  pinkish table wine from red grapes whose skins were removed after fermentation began
  • rose-colored - adj. having a rose color;  reflecting optimism
  • rose-red - adj. of a deep slightly bluish red color
  • rose water - noun perfume consisting of water scented with oil of roses
  • rosemary - noun extremely pungent leaves used fresh or dried as seasoning for especially meats;  widely cultivated for its fragrant grey-green leaves used in cooking and in perfumery
  • roseola - noun any red eruption of the skin
  • rosin - noun any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules;  verb rub rosin onto
  • rosmarinus - noun rosemary
  • ross - noun American seamstress said to have made the first American flag at the request of George Washington (1752-1836);  a politician in Wyoming who was the first woman governor in the United States (1876-1977);  British physician who discovered that mosquitos transmit malaria (1857-1932);  British explorer of the Arctic and Antarctic; located the north magnetic pole in 1831; discovered the Ross Sea in Antarctica; nephew of Sir John Ross (1800-1862);  Scottish explorer who led Arctic expeditions that yielded geographic discoveries while searching for the Northwest Passage (1777-1856)
  • rostrum - noun beaklike projection of the anterior part of the head of certain insects such as e.g. weevils;  a platform raised above the surrounding level to give prominence to the person on it
  • rosy - adj. presaging good fortune;  of blush color;  having the pinkish flush of health;  reflecting optimism
  • rotary - adj. relating to or characterized by rotation;  marked by or moving in a circle;  noun electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa;  a road junction at which traffic streams circularly around a central island
  • rotate - verb plant or grow in a fixed cyclic order of succession; perform a job or duty on a rotating basis;  cause to turn on an axis or center;  exchange on a regular basis;  turn on or around an axis or a center;  turn outward
  • rotated - adj. turned in a circle around an axis
  • rotation - noun the act of rotating as if on an axis;  a planned recurrent sequence (of crops or personnel etc.);  a single complete turn (axial or orbital);  (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
  • rotatory - adj. of or relating to or characteristic or causing an axial or orbital turn
  • roth - noun United States writer whose novels portray middle-class Jewish life (born in 1933)
  • rotterdam - noun the 2nd largest city in the Netherlands; located in the western Netherlands near the North Sea
  • rough - adj. not perfected;  (of persons or behavior) lacking refinement or finesse;  having or caused by an irregular surface; causing or characterized by jolts and irregular movements;  of the margin of a leaf shape; having the edge cut or fringed or scalloped; ready and able to resort to force or violence;  unpleasantly harsh or grating in sound;  violently agitated and turbulent;  not shaped by cutting or trimming;  full of hardship or trials;  not quite exact or correct;  unkind or cruel or uncivil;  unpleasantly stern;  not carefully or expertly made;  adv. with rough motion as over a rough surface;  with roughness or violence (`rough' is an informal variant for `roughly'); noun the part of a golf course bordering the fairway where the grass is not cut short;  verb prepare in preliminary or sketchy form
  • roughen - verb make rough or rougher
  • roughened - adj. used of skin roughened as a result of cold or exposure
  • roughly - adv. with rough motion as over a rough surface;  with roughness or violence (`rough' is an informal variant for `roughly'); (of quantities) imprecise but fairly close to correct
  • roughness - noun harsh or severe speech or behavior;  a texture of a surface or edge that is not smooth but is irregular and uneven;  an unpolished unrefined quality;  the quality of being unpleasant (harsh or rough or grating) to the senses;  the formation of small pits in a surface as a consequence of corrosion;  rowdy behavior;  used of the sea during inclement or stormy weather
  • roumania - noun a Balkan republic in southeastern Europe
  • roumanian - adj. of or relating to or characteristic of the country of Romania or its people or languages
  • round - adj. (mathematics) expressed to the nearest integer, ten, hundred, or thousand;  having a circular shape;  (of sounds) full and rich;  adv. from beginning to end; throughout;  noun the usual activities in your day;  (often plural) a series of professional calls (usually in a set order);  a charge of ammunition for a single shot;  an outburst of applause;  a partsong in which voices follow each other; one voice starts and others join in one after another until all are singing different parts of the song at the same time;  a cut of beef between the rump and the lower leg;  a serving to each of a group (usually alcoholic);  the course along which communications spread; the activity of playing 18 holes of golf;  any circular or rotating mechanism;  a crosspiece between the legs of a chair;  a regular route for a sentry or policeman;  (sports) a period of play during which one team is on the offensive;  an interval during which a recurring sequence of events occurs;  verb become round, plump, or shapely;  make round;  pronounce with rounded lips;  wind around; move along a circular course;  express as a round number;  bring to a highly developed, finished, or refined state;  attack in speech or writing;  be around
  • rounded - adj. curving and somewhat round in shape rather than jagged;  a chubby body
  • rounding - noun (mathematics) a miscalculation that results from rounding off numbers to a convenient number of decimals
  • roundish - adj. somewhat round in appearance or form
  • roundness - noun the property possessed by a line or surface that is curved and not angular;  the quality of being round numbers;  the fullness of a tone of voice;  the bodily property of being well rounded
  • rous - noun United States pathologist who discovered viruses that cause tumors (1879-1970)
  • rouse - verb cause to become awake or conscious;  cause to be agitated, excited, or roused;  force or drive out;  become active
  • route - noun an open way (generally public) for travel or transportation;  an established line of travel or access;  verb divert in a specified direction;  send via a specific route;  send documents or materials to appropriate destinations
  • routine - adj. occurring at fixed times or predictable intervals;  found in the ordinary course of events;  noun an unvarying or habitual method or procedure;  a set sequence of steps, part of larger computer program;  a short theatrical performance that is part of a longer program
  • row - noun a continuous chronological succession without an interruption;  an arrangement of objects or people side by side in a line;  a linear array of numbers side by side;  a long continuous strip (usually running horizontally);  the act of rowing as a sport; (construction) a layer of masonry;  an angry dispute;  verb propel with oars
  • rowing - noun the act of rowing as a sport
  • royal - adj. invested with royal power as symbolized by a crown; being of the rank of a monarch;  of or relating to or indicative of or issued or performed by a king or queen or other monarch; established or chartered or authorized by royalty;  belonging to or befitting a supreme ruler;  noun stag with antlers of 12 or more branches;  a sail set next above the topgallant on a royal mast
  • ru - noun a rare polyvalent metallic element of the platinum group; it is found associated with platinum
  • rub - noun the act of rubbing or wiping;  an unforeseen obstacle; verb move over something with pressure;  cause friction;  scrape or rub as if to relieve itching
  • rubber - adj. returned for lack of funds;  noun an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products;  any of various synthetic elastic materials whose properties resemble natural rubber;  a waterproof overshoe that protects shoes from water or snow;  contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse;  an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil;  verb coat or impregnate with rubber
  • rubbing - noun representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal;  effort expended in moving one object over another with pressure;  the resistance encountered when one body is moved in contact with another
  • rubefacient - noun a medicine for external application that produces redness of the skin
  • rubella - noun a contagious viral disease that is a milder form of measles lasting three or four days; can be damaging to a fetus during the first trimester
  • rubeola - noun an acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children
  • rubus - noun large genus of brambles bearing berries
  • ruddy - adj. of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies;  inclined to a healthy reddish color often associated with outdoor life
  • rudiment - noun the remains of a body part that was functional at an earlier stage of life;  the elementary stages of any subject (usually plural)
  • rudimentary - adj. being in the earliest stages of development;  not fully developed in mature animals;  being or involving basic facts or principles
  • rue - noun (French) a street or road in France;  leaves sometimes used for flavoring fruit or claret cup but should be used with great caution: can cause irritation like poison ivy;  European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy;  sadness associated with some wrong done or some disappointment;  verb feel remorse for; feel sorry for; be contrite about
  • rug - noun floor covering consisting of a piece of thick heavy fabric (usually with nap or pile)
  • ruin - noun a ruined building;  an event that results in destruction;  an irrecoverable state of devastation and destruction;  destruction achieved by causing something to be wrecked or ruined;  failure that results in a loss of position or reputation;  the process of becoming dilapidated;  verb fall into ruin;  reduce to ruins;  destroy or cause to fail;  deprive of virginity;  destroy completely; damage irreparably; reduce to bankruptcy
  • ruined - adj. brought to ruin;  destroyed physically or morally; doomed to extinction
  • rule - noun measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths;  a principle or condition that customarily governs behavior;  (mathematics) a standard procedure for solving a class of mathematical problems;  any one of a systematic body of regulations defining the way of life of members of a religious order;  prescribed guide for conduct or action;  directions that define the way a game or sport is to be conducted;  (linguistics) a rule describing (or prescribing) a linguistic practice;  the duration of a monarch's or government's power;  something regarded as a normative example; a rule or law concerning a natural phenomenon or the function of a complex system;  a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct;  dominance or power through legal authority;  verb keep in check;  decide with authority;  decide on and make a declaration about;  mark or draw with a ruler;  have an affinity with; of signs of the zodiac;  exercise authority over; as of nations;  be larger in number, quantity, power, status or importance
  • ruled - adj. subject to a ruling authority
  • ruling - adj. exercising power or authority;  noun the reason for a court's judgment (as opposed to the decision itself)
  • rum - adj. beyond or deviating from the usual or expected;  nounliquor distilled from fermented molasses;  a card game based on collecting sets and sequences; the winner is the first to meld all their cards
  • rumbling - adj. continuous full and low-pitched throbbing sound; noun a loud low dull continuous noise
  • ruminant - adj. related to or characteristic of animals of the suborder Ruminantia or any other animal that chews a cud;  noun any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments
  • rumination - noun regurgitation of small amounts of food; seen in some infants after feeding;  (of ruminants) chewing (the cud);  a calm lengthy intent consideration
  • run - noun a score in baseball made by a runner touching all four bases safely;  the act of running; traveling on foot at a fast pace;  a regular trip;  a short trip;  (American football) a play in which a player attempts to carry the ball through or past the opposing team;  an unbroken chronological sequence;  a row of unravelled stitches;  the production achieved during a continuous period of operation (of a machine or factory etc.);  unrestricted freedom to use;  the continuous period of time during which something (a machine or a factory) operates or continues in operation;  the act of testing something;  the pouring forth of a fluid;  a race run on foot;  a race between candidates for elective office;  an unbroken series of events;  a small stream;  verb become undone;  cause to perform;  change from one state to another;  be operating, running or functioning;  carry out; cover by running; run a certain distance;  move fast by using one's feet, with one foot off the ground at any given time;  travel rapidly, by any (unspecified) means;  run with the ball; in such sports as football; keep company;  sail before the wind;  be diffused;  move along, of liquids;  cause an animal to move fast;  move about freely and without restraint, or act as if running around in an uncontrolled way;  deal in illegally, such as arms or liquor;  set animals loose to graze;  make without a miss;  carry out a process or program, as on a computer or a machine;  occur persistently;  extend or continue for a certain period of time;  stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point;  cause something to pass or lead somewhere;  be affected by; be subjected to;  have a particular form;  come unraveled or undone as if by snagging;  reduce or cause to be reduced from a solid to a liquid state, usually by heating;  progress by being changed;  compete in a race;  run, stand, or compete for an office or a position;  pursue for food or sport (as of wild animals);  guide or pass over something; perform as expected when applied;  cause to emit recorded sounds; include as the content; broadcast or publicize;  travel a route regularly;  flee; take to one's heels; cut and run;  direct or control; projects, businesses, etc.;  continue to exist;  have a tendency or disposition to do or be something; be inclined;  change or be different within limits
  • run-down - adj. having the spring unwound;  worn and broken down by hard use
  • runner - noun fish of western Atlantic: Cape Cod to Brazil;  device consisting of the parts on which something can slide along;  a long narrow carpet;  a person who is employed to deliver messages or documents;  someone who travels on foot by running;  a trained athlete who competes in foot races;  a baseball player on the team at bat who is on base (or attempting to reach a base);  someone who imports or exports without paying duties;  a horizontal branch from the base of plant that produces new plants from buds at its tips
  • running - adj. continually repeated over a period of time;  (of e.g. a machine) performing or capable of performing;  executed or initiated by running;  (of fluids) moving or issuing in a stream;  of advancing the ball by running;  moving quickly on foot;  measured lengthwise; noun the act of administering or being in charge of something;  the state of being in operation;  the act of running; traveling on foot at a fast pace;  the act of participating in an athletic competition involving running on a track;  (American football) a play in which a player attempts to carry the ball through or past the opposing team
  • rupture - noun the act of making a sudden noisy break;  a personal or social separation (as between opposing factions);  state of being torn or burst open;  verb separate or cause to separate abruptly
  • ruptured - adj. suddenly and violently broken open especially from internal pressure (`busted' is an informal term for `burst')
  • rural - adj. living in or characteristic of farming or country life; relating to rural areas
  • rus - noun the medieval Russian state established by Scandinavian traders in the 9th century; the capital was first in Novgorod and then in Kiev
  • rush - adj. done under pressure;  not accepting reservations;  noun(American football) an attempt to advance the ball by running into the line;  a sudden burst of activity;  a sudden forceful flow;  physician and American Revolutionary leader; signer of the Declaration of Independence (1745-1813);  grasslike plants growing in wet places and having cylindrical often hollow stems;  the act of moving hurriedly and in a careless manner;  the swift release of a store of affective force;  verb urge to an unnatural speed;  act or move at high speed;  attack suddenly;  step on it;  run with the ball, in football; cause to occur rapidly;  cause to move fast or to rush or race
  • rushing - noun the act of moving hurriedly and in a careless manner;  (American football) an attempt to advance the ball by running into the line
  • russell - noun English philosopher and mathematician who collaborated with Whitehead (1872-1970);  Irish writer whose pen name was A.E. (1867-1935);  United States astronomer who developed a theory of stellar evolution (1877-1957);  United States entertainer remembered for her roles in comic operas (1861-1922); United States basketball center (born in 1934);  English film director (born in 1927);  United States religious leader who founded the sect that is now called Jehovah's Witnesses (1852-1916)
  • russia - noun a former empire in eastern Europe and northern Asia created in the 14th century with Moscow as the capital; powerful in the 17th and 18th centuries under Peter the Great and Catherine the Great when Saint Petersburg was the capital; overthrown by revolution in 1917;  a federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state;  a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991;  formerly the largest Soviet Socialist Republic in the USSR occupying eastern Europe and northern Asia
  • russian - adj. of or pertaining to or characteristic of Russia or its people or culture or language;  noun the Slavic language that is the official language of Russia;  a native or inhabitant of Russia
  • rust - adj. of the brown color of rust;  noun any of various fungi causing rust disease in plants;  the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water;  a reddish-brown discoloration of leaves and stems caused by a rust fungus;  a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture;  verb become coated with oxide;  become destroyed by water, air, or an etching chemical such as an acid;  cause to deteriorate due to the action of water, air, or an acid
  • rusty - adj. covered with or consisting of rust;  of the brown color of rust;  ancient;  impaired in skill by neglect
  • ruta - noun type genus of the Rutaceae; strong-scented Eurasian herbs
  • rutherford - noun British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937);  British chemist who isolated nitrogen (1749-1819);  a unit strength of a radioactive source equal to one million disintegrations per second
  • rv - noun a motorized wheeled vehicle used for camping or other recreational activities
  • rye - noun whiskey distilled from rye or rye and malt;  hardy annual cereal grass widely cultivated in northern Europe where its grain is the chief ingredient of black bread and in North America for forage and soil improvement;  the seed of the cereal grass

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MeSH - Wikipedia