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Glossary of Internal medicine-A

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  • Aardvark -  nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata
  • Aardwolf -  striped hyena of southeast Africa that feeds chiefly on insects
  • Abalone -  any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior
  • Abandoned -  forsaken by owner or keeper; free from constraint
  • Abandonment -  the voluntary surrender of property (or a right to property) without attempting to reclaim it or give it away; the act of giving something up; withdrawing support or help despite allegiance or responsibility
  • Abattoir -  a building where animals are butchered
  • Abbreviated -  (of clothing) very short; cut short in duration
  • Abbreviation -  shortening something by omitting parts of it; a shortened form of a word or phrase
  • Abdomen -  the region of the body of a vertebrate between the thorax and the pelvis; the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm
  • Abdominoplasty -  cosmetic surgery of the abdomen to remove wrinkles and tighten the skin over the stomach
  • Abducens -  a small motor nerve supplying the lateral rectus muscle of the eye
  • Abducent -  especially of muscles; drawing away from the midline of the body or from an adjacent part;  a small motor nerve supplying the lateral rectus muscle of the eye
  • Abducting -  especially of muscles; drawing away from the midline of the body or from an adjacent part
  • Abduction -  (physiology) moving of a body part away from the central axis of the body; the criminal act of capturing and carrying away by force a family member; if a man's wife is abducted it is a crime against the family relationship and against the wife
  • Abductor -  a muscle that draws a body part away from the median line; someone who unlawfully seizes and detains a victim (usually for ransom)
  • Aberdeen -  a city in northeastern Scotland on the North Sea; a town in northeastern Maryland; a town in northeastern South Dakota; a town in western Washington
  • Aberrant -  markedly different from an accepted norm;  one whose behavior departs substantially from the norm of a group
  • Abidjan -  city recognized by the United States as the capital of the Ivory Coast; largest city of the Ivory Coast
  • Ability -  the quality of being able to perform; a quality that permits or facilitates achievement or accomplishment; possession of the qualities (especially mental qualities) required to do something or get something done
  • Abiotrophy -  a loss of vitality and a degeneration of cells and tissues not due to any apparent injury
  • Abkhazian -  a Circassian language spoken by the Abkhaz
  • Ablactation -  the cessation of lactation; the act of substituting other food for the mother's milk in the diet of a child or young mammal
  • Ablation -  surgical removal of a body part or tissue; the erosive process that reduces the size of glaciers
  • Ablative -  tending to ablate; i.e. to be removed or vaporized at very high temperature; relating to the ablative case;  the case indicating the agent in passive sentences or the instrument or manner or place of the action described by the
  • Ablepharia -  a congenital absence of eyelids (partial or complete)
  • Abnormally -  in an abnormal manner
  • Abomasal -  relating to the abomasum (the fourth compartment of the stomach of ruminants)
  • Abomasum -  the fourth compartment of the stomach of a ruminant; the one where digestion takes place
  • Aboriginal -  having existed from the beginning; in an earliest or original stage or state; of or pertaining to members of the indigenous people of Australia; characteristic of or relating to people inhabiting a region from the beginning;  a dark-skinned member of a race of people living in Australia when Europeans arrived
  • Aborticide -  the act of destroying a fetus; a drug (or other chemical agent) that causes abortion
  • Abortifacient -  causing abortion;  a drug (or other chemical agent) that causes abortion
  • Abortion -  termination of pregnancy; failure of a plan
  • Abortive -  failing to accomplish an intended result
  • Aboulia -  a loss of will power
  • Abraham -  the first of the Old Testament patriarchs and the father of Isaac; according to Genesis, God promised to give Abraham's family (the Hebrews) the land of Canaan (the Promised Land); God tested Abraham by asking him to sacrifice his son
  • Abramis -  European fishes
  • Abrasion -  erosion by friction; an abraded area where the skin is torn or worn off; the wearing down of rock particles by friction due to water or wind or ice
  • Abrasive -  causing abrasion; sharply disagreeable; rigorous;  a substance that abrades or wears down
  • Abreaction -  (psychoanalysis) purging of emotional tensions
  • Abscission -  the act of cutting something off; shedding of flowers and leaves and fruit following formation of scar tissue in a plant
  • Absence -  failure to be present; the state of being absent; the time interval during which something or somebody is away; epilepsy characterized by paroxysmal attacks of brief clouding of consciousness (a possible other abnormalities)
  • Absenteeism -  habitual absence from work
  • Absinthe -  strong green liqueur flavored with wormwood and anise; aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe
  • Absolute -  perfect or complete or pure; not capable of being violated or infringed; complete and without restriction or qualification; sometimes used informally as intensifiers; without conditions or limitations; not limited by law; expressing finality with no implication of possible change;  something that is conceived to be absolute; something that does not depends on anything else and is beyond human control
  • Absorbable -  capable of being absorbed or taken in through the pores of a surface
  • Absorbent -  having power or capacity or tendency to absorb or soak up something (liquids or energy etc.);  a material having capacity or tendency to absorb another substance
  • Abstinence -  act or practice of refraining from indulging an appetite; the trait of abstaining (especially from alcohol)
  • Abstinent -  self-restraining; not indulging an appetite especially for food or drink;  a person who refrains from drinking intoxicating beverages
  • Abstract -  existing only in the mind; separated from embodiment; dealing with a subject in the abstract without practical purpose or intention; not representing or imitating external reality or the objects of nature;  a concept or idea not associated with any specific instance; a sketchy summary of the main points of an argument or theory;  consider a concept without thinking of a specific example; consider abstractly or theoretically; consider apart from a particular case or instance; give an abstract (of); make off with belongings of others
  • Abudefduf -  damsel fishes
  • Abusive -  characterized by physical or psychological maltreatment; expressing offensive reproach
  • Abutment -  a masonry support that touches and directly receives thrust or pressure of an arch or bridge; point of contact between two objects or parts
  • Abyssinian -  a small slender short-haired breed of African origin having brownish fur with a reddish undercoat
  • Academic -  hypothetical or theoretical and not expected to produce an immediate or practical result; marked by a narrow focus on or display of learning especially its trivial aspects; associated with academia or an academy;  an educator who works at a college or university
  • Academy -  a learned establishment for the advancement of knowledge; a school for special training; a secondary school (usually private); an institution for the advancement of art or science or literature
  • Acadian -  an early French settler in the Maritimes
  • Acanthisitta -  a genus of Xenicidae
  • Acanthocephala -  phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms
  • Acanthocybium -  wahoos
  • Acanthocyte -  an abnormal red blood cell that has thorny projections of protoplasm
  • Acanthocytosis -  the presence of acanthocytes in the blood stream (as in abetalipoproteinemia)
  • Acantholysis -  a breakdown of a cell layer in the epidermis (as in pemphigus)
  • Acanthophis -  Australian elapid snakes
  • Acanthosis -  an abnormal but benign thickening of the prickle-cell layer of the skin (as in psoriasis)
  • Acanthotic -  of or relating to or having acanthosis
  • Acanthurus -  type genus of the Acanthuridae: doctorfishes
  • Acardia -  congenital absence of the heart (as in the development of some monsters)
  • Acariasis -  infestation with itch mites
  • Acaricide -  a chemical agent used to kill mites
  • Acaridae -  mites
  • Acarina -  mites and ticks
  • Acarine -  mite or tick
  • Acarophobia -  a morbid fear of small insects and mites and worms
  • Accelerated -  caused to go more rapidly; speeded up, as of an academic course
  • Accelerating -  increasing in speed; becoming progressively faster
  • Acceleration -  the act of accelerating; increasing the speed; an increase in rate of change; (physics) a rate of increase of velocity
  • Accelerator -  a valve that regulates the supply of fuel to the engine; a scientific instrument that increases the kinetic energy of charged particles; a pedal that controls the throttle valve; (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
  • Acceleratory -  tending to increase velocity
  • Accentor -  small sparrow-like songbird of mountainous regions of Eurasia
  • Accentuation -  the use or application of an accent; the relative prominence of syllables in a phrase or utterance; the act of giving special importance or significance to something
  • Acceptability -  satisfactoriness by virtue of conforming to approved standards
  • Acceptable -  worthy of acceptance or satisfactory; adequate for the purpose; judged to be in conformity with approved usage; meeting requirements
  • Acceptance -  the act of taking something that is offered; (contract law) words signifying consent to the terms of an offer (thereby creating a contract); banking: a time draft drawn on and accepted by a bank; the state of being acceptable and accepted; the act of accepting with approval; favorable reception; a disposition to tolerate or accept people or situations; the mental attitude that something is believable and should be accepted as true
  • Accepted -  generally approved or compelling recognition; generally agreed upon; not subject to dispute; widely accepted as true or worthy; widely or permanently accepted; generally accepted or used; judged to be in conformity with approved usage
  • Acceptor -  the person (or institution) who accepts a check or draft and becomes responsible for paying the party named in the draft when it matures; (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated
  • Accident -  anything that happens by chance without an apparent cause; a mishap; especially one causing injury or death
  • Accidentally -  without advance planning; without intention; in an unintentional manner; in an incidental manner
  • Accipiter -  type genus of the family Accipitridae
  • Accipitridae -  hawks; Old World vultures; kites; harriers; eagles
  • Acclimation -  adaptation to a new climate (a new temperature or altitude or environment)
  • Accommodating -  helpful in bringing about a harmonious adaptation; obliging; willing to do favors
  • Accordion -  a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player
  • Accoucheur -  a physician specializing in obstetrics
  • Accountant -  someone who maintains and audits business accounts
  • Accounting -  a system that provides quantitative information about finances; a convincing explanation that reveals basic causes; a bookkeeper's chronological list of related debits and credits of a business; forms part of a ledger of accounts; the occupation of maintaining and auditing records and preparing financial reports for a business; a statement of recent transactions and the resulting balance
  • Accretion -  (law) an increase in a beneficiary's share in an estate (as when a co-beneficiary dies or fails to meet some condition or rejects the inheritance); an increase by natural growth or addition; (geology) an increase in land resulting from alluvial deposits or waterborne sediment; (biology) growth by addition as by the adhesion of parts or particles; (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases; something contributing to growth or increase
  • Acculturation -  the process of assimilating new ideas into an existing cognitive structure; all the knowledge and values shared by a society; the adoption of the behavior patterns of the surrounding culture
  • Accumulation -  the act of accumulating; (finance) profits that are not paid out as dividends but are added to the capital base of the corporation; several things grouped together or considered as a whole; an increase by natural growth or addition
  • Accumulative -  marked by acquiring or amassing; increasing by successive addition
  • Accurate -  conforming exactly or almost exactly to fact or to a standard or performing with total accuracy; (of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth ; strictly correct
  • Acebutolol -  an oral beta blocker (trade name Sectral) used in treating hypertension
  • Acellular -  not made up of or divided into cells
  • Acentric -  not centered or having no center; lacking a centromere
  • Acephalia -  absence of the head (as in the development of some monsters)
  • Acephaly -  absence of the head (as in the development of some monsters)
  • Aceraceae -  a family of trees and shrubs of order Sapindales including the maples
  • Acervulus -  small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi
  • Acetabular -  of the cup-shaped socket that receives the head of the thigh bone
  • Acetabulum -  the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
  • Acetaldehyde -  a colorless volatile water-soluble liquid aldehyde used chiefly in manufacture of acetic acid and perfumes and drugs
  • Acetamide -  a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds
  • Acetanilid -  a white crystalline compound used as an analgesic and also as an antipyretic
  • Acetone -  the simplest ketone; a highly inflammable liquid widely used as an organic solvent and as material for making plastics
  • Acetonemia -  an abnormal increase of ketone bodies in the blood as in diabetes mellitus
  • Acetonuria -  excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation
  • Achillea -  any of several plants of the genus Achillea native to Europe and having small white flowers in flat-topped flower heads
  • Achilles -  a mythical Greek hero of the Iliad; a foremost Greek warrior at the siege of Troy; when he was a baby his mother tried to make him immortal by bathing him in a magical river but the heel by which she held him remained vulnerable--his `Achilles' heel'
  • Achlorhydria -  an abnormal deficiency or absence of free hydrochloric acid in the gastric juice; often associated with severe anemias and cancer of the stomach
  • Achlorhydric -  lacking hydrochloric acid
  • Achondroplasia -  an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism
  • Achromasia -  unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
  • Achromatic -  having no hue
  • Achromatism -  the visual property of being without chromatic color
  • Achromia -  an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells
  • Achromic -  having no color
  • Achylia -  absence of gastric juices (partial or complete)
  • Acidemia -  a blood disorder characterized by an increased concentration of hydrogen ions in the blood (which falls below 7 on the pH scale)
  • Acidification -  the process of becoming acid or being converted into an acid
  • Acidimetric -  involving or related to acidimetry
  • Acidophil -  an organism that thrives in a relatively acid environment
  • Acidophilic -  especially of some bacteria; growing well in an acid medium
  • Acidosis -  abnormally high acidity (excess hydrogen-ion concentration) of the blood and other body tissues
  • Acidotic -  having or being characterized by acidosis
  • Acinonyx -  cheetahs
  • Acipenser -  type genus of the Acipenseridae: sturgeons
  • Acknowledge -  accept (someone) to be what is claimed or accept his power and authority; accept as legally binding and valid; express obligation, thanks, or gratitude for; report the receipt of; declare to be true or admit the existence or reality or truth of; express recognition of the presence or existence of, or acquaintance with
  • Acneiform -  resembling acne
  • Acokanthera -  small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa
  • Aconite -  any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers
  • Aconitum -  genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal
  • Acoustical -  of or relating to the science of acoustics
  • Acquaintance -  personal knowledge or information about someone or something; a person with whom you are acquainted; a relationship less intimate than friendship
  • Acquisition -  the act of contracting or assuming or acquiring possession of something; something acquired; an ability that has been acquired by training; the cognitive process of acquiring skill or knowledge
  • Acquitted -  declared not guilty of a specific offense or crime; legally blameless
  • Acridotheres -  mynas
  • Acrobat -  an athlete who performs acts requiring skill and agility and coordination
  • Acrocephaly -  a congenital abnormality of the skull; the top of the skull assumes a cone shape
  • Acrocyanosis -  cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion
  • Acrolein -  a pungent colorless unsaturated liquid aldehyde made from propene
  • Acromegalia -  enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor)
  • Acromegalic -  having abnormal size with overgrown extremities resulting from abnormal pituitary secretion
  • Acromegaly -  enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor)
  • Acromicria -  abnormally small extremities (underdeveloped fingers and toes)
  • Acrophobia -  a morbid fear of great heights
  • Acrosome -  a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg
  • Acrylamide -  a white crystalline amide of propenoic acid can damage the nervous system and is carcinogenic in laboratory animals
  • Acrylate -  a salt or ester of propenoic acid
  • Acrylic -  a synthetic fabric; used especially by artists; a glassy thermoplastic; can be cast and molded or used in coatings and adhesives; polymerized from acrylonitrile
  • Acrylonitrile -  a colorless liquid unsaturated nitrile made from propene
  • Actiniaria -  sea anemones
  • Actinidia -  small Asiatic woody vine bearing many-seeded fruit
  • Actinium -  a radioactive element of the actinide series; found in uranium ores
  • Actinolite -  a green mineral of the amphibole group; calcium magnesium iron silicate
  • Actinomyces -  soil-inhabiting saprophytes and disease-producing plant and animal parasites
  • Actinomycin -  any of various red antibiotics isolated from soil bacteria
  • Actinomycotic -  of or related to actinomycosis infection
  • Actinotherapy -  (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
  • Actitis -  a genus of Scolopacidae
  • Activate -  make active or more active; make (substances) radioactive; aerate (sewage) so as to favor the growth of organisms that decompose organic matter; make more adsorptive; put in motion or move to act
  • Activation -  making active and effective (as a bomb); stimulation of activity in an organism or chemical; the activity of causing to have energy and be active
  • Activator -  (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
  • Actively -  in an active manner
  • Actomyosin -  a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions
  • Actuary -  someone versed in the collection and interpretation of numerical data (especially someone who uses statistics to calculate insurance premiums)
  • Actuation -  the act of propelling
  • Actuator -  a mechanism that puts something into automatic action
  • Acupressure -  treatment of symptoms by applying pressure with the fingers to specific pressure points on the body
  • Acuteness -  the quality of having a sharp edge or point; a quick and penetrating intelligence; a sensitivity that is keen and highly developed
  • Acyclic -  chemistry; not cyclic; having an open chain structure; botany; not cyclic; especially having parts arranged in spirals rather than whorls
  • Acyclovir -  an oral antiviral drug (trade name Zovirax) used to treat genital herpes; does not cure the disease but relieves the symptoms
  • Acylglycerol -  an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils
  • Adactylia -  congenital absence of fingers and/or toes
  • Adactyly -  congenital absence of fingers and/or toes
  • Adaptable -  capable of adapting (of becoming or being made suitable) to a particular situation or use
  • Adapted -  changed in order to improve or made more fit for a particular purpose
  • Adaptor -  device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible
  • Addictive -  causing or characterized by addiction
  • Addition -  the act of adding one thing to another; a component that is added to something to improve it; a suburban area laid out in streets and lots for a future residential area; a quantity that is added; the arithmetic operation of summing; calculating the sum of two or more numbers; something added to what you already have
  • Additional -  further or added
  • Adductor -  a muscle that draws a body part toward the median line
  • Adelaide -  the state capital of South Australia
  • Adenine -  (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
  • Adenium -  one species: succulent shrub or tree of tropical Africa and Arabia
  • Adenoid -  relating to or resembling lymphatic glands or lymphoid tissue;  a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)
  • Adenoidal -  sounding as if the nose were pinched; of or pertaining to the adenoids
  • Adenoidectomy -  surgical removal of the adenoids; commonly performed along with tonsillectomy
  • Adenopathy -  a glandular disease or enlargement of glandular tissue (especially of the lymph glands)
  • Adenosis -  a disorder of the glands of the body
  • Adequacy -  the quality of being able to meet a need satisfactorily: "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule"; the quality of being sufficient for the end in view
  • Adequate -  (sometimes followed by `to') meeting the requirements especially of a task; about average; acceptable; enough to meet a purpose
  • Adequately -  in an adequate manner; in an adequate manner or to an adequate degree
  • Adherence -  faithful support for a religion or cause or political party; the property of sticking together (as of glue and wood) or the joining of surfaces of different composition
  • Adherent -  sticking fast;  someone who believes and helps to spread the doctrine of another
  • Adipose -  composed of animal fat
  • Adiposis -  the property of excessive fatness
  • Adiposity -  having the property of containing fat
  • Adjectival -  of or relating to or functioning as an adjective
  • Adjudicator -  a person who studies and settles conflicts and disputes
  • Adjunct -  of or relating to a person who is subordinate to another; furnishing added support;  a construction that can be used to extend the meaning of a word or phrase but is not one of the main constituents of a sentence; something added to another thing but not an essential part of it; a person who is an assistant or subordinate to another
  • Adjunctive -  joining; forming an adjunct
  • Adjustable -  capable of being regulated; capable of being changed so as to match or fit
  • Adjusted -  altered to accommodate to certain requirements or bring into a proper relation; adjusted to demands of daily living; showing emotional stability; (especially of garments) having the fit or style adjusted; having achieved a comfortable relation with your environment
  • Adjustment -  the act of adjusting something to match a standard; making or becoming suitable; adjusting to circumstances; the act of making something different (as e.g. the size of a garment); an amount added or deducted on the basis of qualifying circumstances; the process of adapting to something (such as environmental conditions)
  • Adjutant -  an officer who acts as military assistant to a more senior officer; large Indian stork with a military gait
  • Adjuvant -  enhancing the action of a medical treatment; furnishing added support;  an additive that enhances the effectiveness of medical treatment
  • Administrative -  of or relating to or responsible for administration
  • Administrator -  someone who manages a government agency or department; the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor; someone who administers a business
  • Admirable -  deserving of the highest esteem or admiration; inspiring admiration or approval
  • Admiral -  any of several brightly colored butterflies; the supreme commander of a fleet; ranks above a vice admiral and below a fleet admiral
  • Admiralty -  the office of admiral; the department in charge of the navy (as in Great Britain)
  • Admission -  the act of admitting someone to enter; an acknowledgment of the truth of something; the fee charged for admission
  • Adnexal -  of or pertaining to adnexa
  • Adopted -  acquired as your own by free choice; having been taken into a specific relationship
  • Adoption -  the act of accepting with approval; favorable reception; a legal proceeding that creates a parent-child relation between persons not related by blood; the adopted child is entitled to all privileges belonging to a natural child of the adoptive parents (including the right to inherit); the appropriation (of ideas or words etc) from another source
  • Adoptive -  of parents and children; related by adoption; acquired as your own by free choice
  • Adrenalectomy -  surgical removal of one or both adrenal glands
  • Adrenarche -  the increase in activity of the adrenal glands just before puberty
  • Adsorbent -  having capacity or tendency to adsorb or cause to accumulate on a surface;  a material having capacity or tendency to adsorb another substance
  • Adultery -  extramarital sex that willfully and maliciously interferes with marriage relations
  • Adulthood -  the state (and responsibilities) of a person who has attained maturity; the period of time in your life after your physical growth has stopped and you are fully developed
  • Advancement -  gradual improvement or growth or development; the act of moving forward toward a goal; encouragement of the progress or growth or acceptance of something
  • Advancing -  moving ahead or toward the front; moving forward
  • Advantage -  benefit resulting from some event or action; the quality of having a superior or more favorable position; (tennis) first point scored after deuce;  give an advantage to
  • Adventitia -  an enveloping or covering membrane or layer of body tissue
  • Adventitial -  of or pertaining to the adventitia
  • Adventitious -  associated by chance and not an integral part
  • Advertisement -  a public promotion of some product or service
  • Advertising -  the business of drawing public attention to goods and services; a public promotion of some product or service
  • Advised -  having received information; having the benefit of careful prior consideration or counsel
  • Advisory -  giving advice;  an ancement that usually advises or warns the public of some threat
  • Advocacy -  active support of an idea or cause etc.; especially the act of pleading or arguing for something
  • Adynamia -  lack of strength or vigor (especially from illness)
  • Adynamic -  lacking strength or vigor; characterized by an absence of force or forcefulness
  • Aepyceros -  African antelopes: impalas
  • Aerialist -  an acrobat who performs in the air (as on a rope or trapeze)
  • Aerobacter -  aerobic bacteria widely distributed in nature
  • Aerobic -  depending on free oxygen or air; based on or using the principles of aerobics; enhancing respiratory and circulatory efficiency
  • Aerodontalgia -  pain in the teeth that results from a change in air pressure (as in flying or mountain climbing)
  • Aerodrome -  an airfield equipped with control tower and hangers as well as accommodations for passengers and cargo
  • Aeronautical -  of or pertaining to aeronautics
  • Aerophagia -  swallowing air (usually followed by belching and discomfort and flatulence)
  • Aeroplane -  an aircraft that has a fixed wing and is powered by propellers or jets
  • Aerosolized -  in the form of ultramicroscopic solid or liquid particles dispersed or suspended in air or gas
  • Aerospace -  the atmosphere and outer space considered as a whole
  • Aesculapian -  of or belonging to Aesculapius or the healing art
  • Aesculus -  deciduous trees or some shrubs of North America; southeastern Europe; eastern Asia
  • Aesthesia -  mental responsiveness and awareness
  • Aethusa -  fool's parsley
  • Aetobatus -  a genus of Myliobatidae
  • Afebrile -  having no fever
  • Affairs -  transactions of professional or public interest; matters of personal concern
  • Affected -  acted upon; influenced; speaking or behaving in an artificial way to make an impression; being excited or provoked to the expression of an emotion
  • Affection -  a positive feeling of liking
  • Affectionate -  having or displaying warmth or affection
  • Affective -  characterized by emotion
  • Affenpinscher -  European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle
  • Affinity -  a natural attraction or feeling of kinship; inherent resemblance between persons or things; the force attracting atoms to each other and binding them together in a molecule; (immunology) the attraction between an antigen and an antibody; a close connection marked by community of interests or similarity in nature or character; (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts; (anthropology) kinship by marriage or adoption; not a blood relationship
  • Afghanistan -  a mountainous landlocked country in central Asia; bordered by Iran to the west and Russia to the north and Pakistan to the east and south
  • Africander -  tall large-horned humped cattle of South Africa; used for meat or draft
  • Afrikaans -  belonging or relating to white people of South Africa whose ancestors were Dutch or to their language;  an official language of the Republic of South Africa; closely related to Dutch and Flemish
  • Afrikaner -  belonging or relating to white people of South Africa whose ancestors were Dutch or to their language;  a white native of Cape Province who is a descendant of Dutch settlers and who speaks Afrikaans
  • Afropavo -  both sexes are brightly colored
  • Afterbirth -  the placenta and fetal membranes that are expelled from the uterus after the baby is born
  • Aftercare -  care and treatment of a convalescent patient
  • Aftereffect -  any result that follows its cause after an interval; a delayed effect of a drug or therapy
  • Afterimage -  an image (usually a negative image) that persists after stimulation has ceased
  • Afternoon -  the part of the day between noon and evening; a conventional expression of greeting or farewell
  • Aftertaste -  an afterimage of a taste
  • Agalactia -  a condition in which milk is not secreted in the mother's breasts after her child has been delivered
  • Agamidae -  an Old World reptile family of Sauria
  • Agapornis -  a genus of Psittacidae
  • Agaricales -  typical gilled mushrooms belonging to the subdivision Basidiomycota
  • Agaricus -  type genus of Agaricaceae; gill fungi having brown spores and including several edible species
  • Agavaceae -  chiefly tropical and xerophytic plants: includes Dracenaceae (Dracaenaceae); comprises plants that in some classifications are divided between the Amaryllidaceae and the Liliaceae
  • Ageratum -  any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers; rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium
  • Agglutination -  the building of words from component morphemes that retain their form and meaning in the process of combining; a clumping of bacteria or red cells when held together by antibodies (agglutinins); the coalescing of small particles that are suspended in solution; these larger masses are then (usually) precipitated
  • Agglutinin -  an antibody that causes agglutination of a specific antigen
  • Agglutinogen -  any substance that acts as an antigen to cause agglutinin production
  • Aggravating -  making worse
  • Aggregated -  gathered or tending to gather into a mass or whole
  • Aggressive -  having or showing determination and energetic pursuit of your ends; characteristic of an enemy or one eager to fight; tending to spread quickly
  • Aggressor -  a confident assertive person who acts as instigator; someone who attacks
  • Agitated -  troubled emotionally and usually deeply; physically disturbed or set in motion; thrown from side to side
  • Agitation -  the act of agitating something; causing it to move around (usually vigorously); disturbance usually in protest; the feeling of being agitated; not calm; a state of agitation or turbulent change or development; a mental state of extreme emotional disturbance
  • Agkistrodon -  copperheads
  • Agnostic -  uncertain of all claims to knowledge; of or pertaining to an agnostic or agnosticism;  a person who claims that they cannot have true knowledge about the existence of God (but does not deny that God might exist); someone who is doubtful or noncommittal about something
  • Agnosticism -  the disbelief in any claims of ultimate knowledge; a religious orientation of doubt; a denial of ultimate knowledge of the existence of God
  • Agonising -  extremely painful
  • Agonistic -  struggling for effect; striving to overcome in argument; of or relating to the athletic contests held in ancient Greece
  • Agonizing -  extremely painful
  • Agoraphobia -  a morbid fear of open spaces (as fear of being caught alone in some public place)
  • Agoraphobic -  suffering from agoraphobia; abnormally afraid of open or public places
  • Agranulocytic -  relating to the blood disorder of agranulocytosis
  • Agraphia -  a loss of the ability to write or to express thoughts in writing because of a brain lesion
  • Agreement -  compatibility of observations; the thing arranged or agreed to; the statement (oral or written) of an exchange of promises; the al act of agreeing; the determination of grammatical inflection on the basis of word relations; harmony of people's opinions or actions or characters
  • Agriculture -  the class of people engaged in growing food; the practice of cultivating the land or raising stock; a large-scale farming enterprise; the federal department that administers programs that provide services to farmers (including research and soil conservation and efforts to stabilize the farming economy); created in 1862
  • Agrobacterium -  small motile bacterial rods that can reduce nitrates and cause galls on plant stems
  • Agronomist -  an expert in soil management and field-crop production
  • Agropyron -  perennial grasses of temperate and cool regions: wheatgrass; dog grass
  • Agrostemma -  a caryophylloid dicot genus including corn cockles
  • Agrostis -  annual or perennial grasses cosmopolitan in northern hemisphere: bent grass (so named from `bent' meaning an area of unfenced grassland)
  • Aguacate -  a pear-shaped tropical fruit with green or blackish skin and rich yellowish pulp enclosing a single large seed
  • Ailanthus -  any of several deciduous Asian trees of the genus Ailanthus
  • Ailuropoda -  only the giant panda: in some classifications considered a genus of the separate family Ailuropodidae
  • Ailurus -  lesser pandas
  • Aimless -  continually changing especially as from one abode or occupation to another; aimlessly drifting
  • Aircrew -  the crew of an aircraft
  • Aircrewman -  a member of an aircrew
  • Airedale -  breed of large wiry-coated terrier bred in Yorkshire
  • Airfield -  a place where planes take off and land
  • Airframe -  the framework and covering of an airplane or rocket (excluding the engines)
  • Airliner -  a commercial airplane that carries passengers
  • Airplane -  an aircraft that has a fixed wing and is powered by propellers or jets
  • Akinesia -  motionlessness attributable to a temporary paralysis
  • Alabama -  the Muskhogean language of the Alabama; a state in the southeastern United States on the Gulf of Mexico; one of the Confederate states during the American Civil War; a river in Alabama formed by the confluence of the Coosa and Tallapoosa Rivers near Montgomery; flows southwestward to become a tributary of the Mobile River; a member of the Muskhogean people formerly living in Alabama; a member of the Creek Confederacy
  • Alaskan -  relating to or characteristic of the state or people of Alaska;  a native or resident of Alaska
  • Alastrim -  a mild form of smallpox caused by a less virulent form of the virus
  • Alaudidae -  larks
  • Albacore -  large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters; relatively small tuna with choice white flesh; major source of canned tuna
  • Albania -  a republic in southeastern Europe on the Adriatic coast of the Balkan Peninsula
  • Albanian -  of or relating to Albania or its people or language or culture;  the Indo-European language spoken by the people of Albania; a native or inhabitant of Albania
  • Albatross -  large web-footed birds of the southern hemisphere having long narrow wings; noted for powerful gliding flight; (figurative) something that hinders or handicaps
  • Alberta -  one of the three prairie provinces in western Canada; rich in oil and natural gas and minerals
  • Albinotic -  of or pertaining to or affected by albinism
  • Albizia -  any of numerous trees of the genus Albizia
  • Albuminoid -  a simple protein found in horny and cartilaginous tissues and in the lens of the eye
  • Albuminous -  relating to or containing or resembling albumin
  • Albuminuria -  the presence of excessive protein (chiefly albumin but also globulin) in the urine; usually a symptom of kidney disorder
  • Albuquerque -  the largest city in New Mexico; located in central New Mexico on the Rio Grande river
  • Albuterol -  a bronchodilator (trade names Ventolin or Proventil) used for asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects are tachycardia and shakiness
  • Alcaptonuria -  a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine
  • Alcedinidae -  kingfishers
  • Alcelaphus -  African antelopes: hartebeests
  • Alcidae -  web-footed diving seabirds of northern seas: auks; puffins; guillemots; murres; etc.
  • Alcyonacea -  comprising the soft corals
  • Alcyonaria -  corals and sea anemones having eight branches
  • Aldosterone -  a corticosteroid hormone that is secreted by the cortex of the adrenal gland; regulates salt (sodium and potassium) and water balance
  • Aldosteronism -  a condition caused by overproduction of aldosterone
  • Alectis -  a genus of Carangidae
  • Alectoris -  a genus of Perdicidae
  • Alendronate -  a tablet (trade name Fosamax) prescribed to prevent or treat osteoporosis in women after menopause
  • Alepisaurus -  slender scaleless predaceous tropical deep-sea fishes
  • Alertness -  lively attentiveness; a state of readiness to respond; the process of paying close and continuous attention
  • Aleurites -  candlenut
  • Aleutian -  a member of the people inhabiting the Aleutian Islands and western Alaska
  • Alewife -  shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus; flesh of shad-like fish abundant along the Atlantic coast or in coastal streams
  • Alexander -  king of Macedon; conqueror of Greece and Egypt and Persia; founder of Alexandria (356-323 BC); European herb somewhat resembling celery widely naturalized in Britain coastal regions and often cultivated as a potherb
  • Alexandrine -  (prosody) a line of verse that has six iambic feet
  • Alexandrite -  a green variety of chrysoberyl used as a gemstone
  • Alfalfa -  leguminous plant grown for hay or forage; important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop
  • Algeria -  a republic in northwestern Africa on the Mediterranean Sea with a population that is predominantly Sunni Muslim; colonized by France in the 19th century but gained autonomy in the early 1960s
  • Algerian -  of or relating to or characteristic of Algeria or its inhabitants;  a native or inhabitant of Algeria
  • Algonkian -  of or relating to an Algonquian tribe or its people or language;  the Algonquian language spoken by the Algonkian; a member of a North American Indian people in the Ottawa river valley of Ontario and Quebec
  • Algophobia -  a morbid fear of pain
  • Alimentary -  of or providing nourishment
  • Aliphatic -  having carbon atoms linked in open chains
  • Alizarin -  an orange-red crystalline compound used in making red pigments and in dyeing
  • Alkalemia -  a blood disorder characterized by a lower concentration of hydrogen ions in the blood (which rises above 7.45 on the pH scale)
  • Alkaline -  relating to or containing an alkali; having a pH greater than 7
  • Alkalinity -  pH values above 7
  • Alkaluria -  a condition in which the urine (which is normally slightly acidic) is alkaline
  • Alkaptonuria -  a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine
  • Allamanda -  a plant of the genus Allamanda having large showy funnel-shaped flowers in terminal cymes
  • Allantoic -  relating to or characterized by an allantois
  • Allantois -  vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (reptiles, birds and mammals)
  • Alleged -  declared but not proved; doubtful or suspect
  • Allelic -  of or relating to alleles
  • Allergenic -  relating to or having the effect of an allergen
  • Alleviate -  provide physical relief, as from pain; make easier
  • Alligator -  either of two amphibious reptiles related to crocodiles but with shorter broader snouts; leather made from alligator's hide;  crack and acquire the appearance of alligator hide, as from weathering or improper application; of paint and varnishes
  • Allogeneic -  denoting or relating to cells or tissues from individuals belonging to the same species but genetically dissimilar (and hence immunologically incompatible)
  • Allotment -  the act of distributing by allotting or apportioning; distribution according to a plan; a share set aside for a specific purpose
  • Allspice -  ground dried berrylike fruit of a West Indian allspice tree; suggesting combined flavors of cinnamon and nutmeg and cloves; deciduous shrubs having aromatic bark; eastern China; southwestern and eastern United States; aromatic West Indian tree that produces allspice berries
  • Alocasia -  any plant of the genus Alocasia having large showy basal leaves and boat-shaped spathe and reddish berries
  • Alopecurus -  annual or perennial grasses including decorative and meadow species as well as notorious agricultural weeds
  • Alouatta -  howler monkeys
  • Alphabetic -  arranged in order according to the alphabet; relating to or expressed by a writing system that uses an alphabet
  • Alphanumerics -  a character set that includes letters and digits and punctuation
  • Alphavirus -  an arbovirus of the family Togaviridae that can cause a variety of encephalitis in horses
  • Already -  prior to a specified or implied time
  • Alterable -  (of the punishment ordered by a court) capable of being changed to one less severe; capable of being changed or altered in some characteristic
  • Altercation -  noisy quarrel
  • Alternately -  in an alternating sequence or position
  • Altitudinal -  pertaining to altitude
  • Altruism -  the quality of unselfish concern for the welfare of others
  • Altruistic -  showing unselfish concern for the welfare of others
  • Alveolus -  a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways; a bony socket in the alveolar ridge that holds a tooth
  • Amanita -  genus of widely distributed agarics that have white spores and are poisonous with few exceptions
  • Amaranth -  any of various plants of the genus Amaranthus having dense plumes of green or red flowers; often cultivated for food; seed of amaranth plants used as a native cereal in Central and South America
  • Amaranthaceae -  cosmopolitan family of herbs and shrubs
  • Amaranthus -  large widely distributed genus of chiefly coarse annual herbs
  • Amarillo -  a city in the northern panhandle of Texas
  • Amaryllidaceae -  snowdrop; narcissus; daffodil; in some classification systems considered a subfamily of the Liliaceae
  • Amaryllis -  bulbous plant having showy white to reddish flowers
  • Amastia -  absence of the mammary glands (either through surgery or developmental defect)
  • Amateur -  engaged in as a pastime; lacking professional skill or expertise;  someone who pursues a study or sport as a pastime; does not play for pay
  • Amazona -  a genus of Psittacidae
  • Ambidexterity -  the property of being equally skillful with each hand
  • Ambidextrous -  marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another; equally skillful with each hand
  • Ambivalence -  mixed feelings or emotions
  • Ambivalent -  uncertain or unable to decide about what course to follow
  • Ambloplites -  a genus of Centrarchidae
  • Amblyopic -  pertaining to a kind of visual impairment without apparent organic pathology
  • Amblyrhynchus -  marine iguanas
  • Ambrosia -  (classical mythology) the food and drink of the gods; mortals who ate it became immortal; fruit dessert made of oranges and bananas with shredded coconut; any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma; a mixture of nectar and pollen prepared by worker bees and fed to larvae
  • Ambulation -  walking about
  • Ambystoma -  type genus of the Ambystomatidae
  • Ameliorating -  tending to ameliorate
  • Amended -  modified for the better; of legislation
  • Amenorrhea -  absence or suppression of normal menstrual flow
  • Amenorrhoea -  absence or suppression of normal menstrual flow
  • Americium -  a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
  • Amerind -  of or pertaining to American Indians or their culture or languages;  any of the languages spoken by Amerindians
  • Amerindian -  any member of the peoples living in North or South America before the Europeans arrived
  • Amethopterin -  toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis
  • Amethyst -  of a moderate purple color;  a transparent purple variety of quartz; used as a gemstone
  • Amethystine -  containing or resembling amethyst
  • Ametria -  congenital absence of the uterus
  • Ametropia -  (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
  • Ametropic -  of or relating to an abnormal condition of the eye in which visual images are not in focus on the retina
  • Amharic -  related to or characteristic of or written in Amharic;  the dominant and official language of Ethiopia; a Semitic language much influenced by the Cushitic language with which Amhara have been in close contact
  • Aminoaciduria -  abnormal presence of amino acids in the urine; usually a symptom of metabolic defects
  • Aminomethane -  a methyl with the hydrogen atom replaced by an amino radical
  • Aminopyrine -  a white crystalline substance used as an analgesic and antipyretic
  • Ammodytes -  type genus of the Ammodytidae
  • Ammoniacal -  pertaining to or containing or similar to ammonia
  • Ammoniated -  combined or treated with ammonia
  • Ammotragus -  genus of wild sheep
  • Amnesia -  partial or total loss of memory
  • Amnesiac -  suffering from a partial loss of memory;  a person suffering from amnesia
  • Amnesic -  suffering from a partial loss of memory; of or relating to or caused by amnesia;  a person suffering from amnesia
  • Amphibian -  relating to or characteristic of animals of the class Amphibia;  cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form; an airplane designed to take off and land on water; a flat-bottomed motor vehicle that can travel on land or water
  • Amphibious -  operating or living on land and in water; relating to or characteristic of animals of the class Amphibia
  • Amphibole -  a mineral or mineral variety belonging to the amphibole group
  • Amphiuma -  aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States
  • Amphiumidae -  congo snakes
  • Amphoric -  the sound heard in auscultation resembling the hollow sound made by blowing across the mouth of a bottle
  • Amplifier -  electronic equipment that increases strength of signals passing through it
  • Ampullary -  of or related to an ampulla
  • Amputee -  someone who has had a limb removed by amputation
  • Amrinone -  a drug (trade name Inocor) used intravenously in heart failure; increases strength of contraction of myocardium
  • Amsinckia -  rough annual herbs of Europe and the Americas: fiddlenecks
  • Amsterdam -  an industrial center and the nominal capital of the Netherlands; center of the diamond-cutting industry; seat of an important stock exchange; known for its canals and art museum
  • Amusement -  a feeling of delight at being entertained; an activity that is diverting and that holds the attention
  • Amygdala -  an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior
  • Amygdalin -  a bitter cyanogenic glucoside extracted from the seeds of apricots and plums and bitter almonds
  • Amygdaloid -  shaped like an almond;  volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits
  • Amygdalotomy -  psychosurgery in which amygdaloid fibers that mediate limbic system activity are severed (in cases of extreme uncontrollable violence)
  • Amygdalus -  used in former classifications for peach and almond trees which are now included in genus Prunus
  • Amyotonia -  lack of normal muscular tension or tonus
  • Amyotrophia -  progressive wasting of muscle tissues
  • Amyotrophy -  progressive wasting of muscle tissues
  • Anabaptism -  belief in: the primacy of the Bible; baptism of believers not infants; complete separation of church and state
  • Anabaptist -  adherent of Anabaptism
  • Anabolism -  the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy
  • Anacardiaceae -  the cashew family; trees and shrubs and vines having resinous (sometimes poisonous) juice; includes cashew and mango and pistachio and poison ivy and sumac
  • Anacardium -  type genus of the Anacardiaceae: cashew
  • Anaconda -  large arboreal boa of tropical South America
  • Anaemic -  lacking vigor or energy; relating to anemia or suffering from anemia
  • Anaerobe -  an organism (especially a bacterium) that does not require air or free oxygen to live
  • Anagallis -  chiefly Old World herbs
  • Anagasta -  moth whose larvae are flour moths
  • Analbuminemia -  an abnormally low level of albumin in the blood serum
  • Analytical -  of a proposition that is necessarily true independent of fact or experience; using or skilled in using analysis (i.e., separating a whole--intellectual or substantial--into its elemental parts or basic principles)
  • Anamnesis -  the ability to recall past occurrences; the case history of a medical patient as recalled by the patient
  • Anamnestic -  of or relating to anamnesis; aiding the memory
  • Anamorphic -  pertaining to a kind of distorting optical system; pertaining to gradual evolution from one type of organism to another
  • Anaphase -  the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle
  • Anaphylactic -  related to the hypersensitivity known as anaphylaxis
  • Anaplasia -  loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor
  • Anaplasmosis -  a disease of cattle that is transmitted by cattle ticks; similar to Texas fever
  • Anaplastic -  of or relating to anaplasia
  • Anarhichas -  type genus of the Anarhichadidae
  • Anarthria -  partial or total loss of articulate speech resulting from lesions of the central nervous system
  • Anasarca -  generalized edema with accumulation of serum in subcutaneous connective tissue
  • Anatolian -  an extinct branch of the Indo-European family of languages known from inscriptions and important in the reconstruction of Proto-Indo European
  • Anatomically -  with respect to anatomy
  • Anatomist -  an expert in anatomy
  • Anatomy -  a detailed analysis; the branch of morphology that deals with the structure of animals; alternative names for the body of a human being
  • Ancer -  reads news, commercials on radio or television; someone who proclaims a message publicly
  • Anchovy -  small herring-like plankton-eating fishes often canned whole or as paste; abundant in tropical waters worldwide; tiny fishes usually canned or salted; used for hors d'oeuvres or as seasoning in sauces
  • Ancient -  very old; belonging to times long past especially of the historical period before the fall of the Western Roman Empire;  a person who lived in ancient times; a very old person
  • Ancillary -  furnishing added support
  • Ancistrodon -  copperheads
  • Andalusian -  in or relating to Andalusia
  • Andersen -  a Danish author remembered for his fairy stories (1805-1875)
  • Anderson -  United States physicist who discovered antimatter in the form of an antielectron that is called the positron (1905-1991); United States contralto noted for her performance of spirituals (1902-1993); United States dramatist (1888-1959); United States physicist who studied the electronic structure of magnetic and disordered systems (1923-); United States author whose works were frequently autobiographical (1876-1941)
  • Andorra -  a small republic in the eastern Pyrenees between Spain and France
  • Andrews -  United States naturalist who contributed to paleontology and geology (1884-1960)
  • Androgen -  male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
  • Androgenetic -  of or related to androgenesis
  • Androgenic -  of or related to the male hormone androgen
  • Android -  an automaton that resembles a human being
  • Andromeda -  a constellation in the northern hemisphere between Cassiopeia and Pegasus; contains the Andromeda galaxy; (Greek mythology) an Ethiopian princess and daughter of Cassiopeia; she was fastened to a rock and exposed to a sea monster that was sent by Poseidon, but she was rescued by Perseus and became his wife; any of several shrubs of the genus Andromeda having leathery leaves and clusters of small flowers; broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers
  • Androphobia -  a morbid fear of men
  • Androsterone -  an androgenic hormone that is less active than testosterone
  • Anemometer -  a gauge for recording the speed and direction of wind
  • Anencephalic -  characterized by partial or total absence of a brain
  • Anencephaly -  a defect in brain development resulting in small or missing brain hemispheres
  • Aneroid -  containing no liquid or actuated without the use of liquid;  a barometer that measures pressure without using fluids
  • Anesthesiology -  the branch of medical science that studies and applies anesthetics
  • Anesthetized -  rendered insensible by means of anesthesia
  • Anestrus -  applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus
  • Anethum -  dill
  • Aneuploidy -  an abnormality involving a chromosome number that is not an exact multiple of the haploid number (one chromosome set is incomplete)
  • Aneurin -  a B vitamin that prevents beriberi; maintains appetite and growth
  • Angelica -  aromatic stems or leaves or roots of Angelica Archangelica; candied stalks of the angelica plant; any of various tall and stout herbs of the genus Angelica having pinnately compound leaves and small white or greenish flowers in compound umbels
  • Anginal -  of or related to the pain of angina pectoris
  • Angiogenesis -  the formation of new blood vessels
  • Angiologist -  a physician who specializes in angiology
  • Angiology -  the branch of medical science that studies the blood and lymph vessels and their disorders
  • Angioma -  a tumor consisting of a mass of blood or lymphatic vessels
  • Angiomatous -  of or related to or having a tumor of the kind known as an angioma
  • Angiopathy -  any disease of the blood vessels or lymph ducts
  • Angiosarcoma -  a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels
  • Angioscope -  a modified microscope used to study capillary vessels
  • Angiosperm -  plants having seeds in a closed ovary
  • Anglesey -  an island northwest of Wales
  • Anglican -  of or pertaining to or characteristic of the Anglican church;  a Protestant who is a follower of Anglicanism
  • Anglicanism -  the faith and doctrine and practice of the Anglican Church
  • Angstrom -  a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
  • Anguilla -  type genus of the Anguillidae: eels; a British colony in the West Indies
  • Anguilliformes -  elongate fishes with pelvic fins and girdle absent or reduced
  • Angular -  having angles or an angular shape; measured by an angle or by the rate of change of an angle
  • Angulation -  the act of making angulate (having corners); the precise measurement of angles
  • Angwantibo -  a kind of lemur
  • Anhedonia -  an inability to experience pleasure
  • Anhimidae -  screamers
  • Anhinga -  fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill
  • Anhingidae -  snakebirds
  • Anicteric -  not affected by jaundice; without jaundice
  • Aniline -  oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines
  • Aniseed -  liquorice-flavored seeds or oil used in cookies or cakes or pickles
  • Aniseikonia -  visual defect in which the shape and size of an ocular image differ in the two eyes
  • Anisometropia -  difference in the refractive power of the two eyes
  • Anisometropic -  relating to a difference in the refractive power of the two eyes
  • Anisotremus -  a genus of Haemulidae
  • Ankyloglossia -  a congenital anomaly in which the mucous membrane under the tongue is too short limiting the mobility of the tongue
  • Annelid -  relating to or belonging to or characteristic of any worms of the phylum Annelida;  worms with cylindrical bodies segmented both internally and externally
  • Annelida -  segmented worms: earthworms; lugworms; leeches
  • Annotation -  the act of adding notes; a comment or instruction (usually added)
  • Annoyance -  the act of troubling or annoying someone; something or someone that causes trouble; a source of unhappiness; anger produced by some annoying irritation; an unpleasant person who is annoying or exasperating; the psychological state of being irritated or annoyed
  • Annually -  without missing a year; by the year; every year (usually with reference to a sum of money paid or received)
  • Annulate -  shaped like a ring
  • Annulated -  shaped like a ring
  • Anoestrus -  applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus
  • Anomala -  genus of beetles whose grubs feed mainly on roots of plants; includes several pests of cultivated grasses
  • Anomalous -  deviating from the general or common order or type
  • Anopheles -  malaria mosquitoes; distinguished by the adult's head-downward stance and absence of breathing tubes in the larvae
  • Anoplura -  sucking lice
  • Anorchia -  absence of one of both testes
  • Anorchidism -  absence of one of both testes
  • Anorchism -  absence of one of both testes
  • Anosmia -  absence of the sense of smell (as by damage to olfactory nasal tissue or the olfactory nerve or by obstruction of the nasal passages)
  • Anosmic -  having impaired sense of smell; relating to an impairment or loss of the sense of smell
  • Anovulation -  the absence of ovulation due to immaturity or post-maturity or pregnancy or oral contraceptive pills or dysfunction of the ovary
  • Anoxemia -  abnormally low oxygen content in arterial blood
  • Anseriformes -  ducks; geese; swans; screamers
  • Anserinae -  used in some classifications for the swans
  • Anserine -  having or revealing stupidity; of or resembling a goose
  • Answering -  replying
  • Antbird -  any of various dull-colored South American birds that feeding on ants some following army ant swarms
  • Anteater -  any of several tropical American mammals of the family Myrmecophagidae which lack teeth and feed on ants and termites; a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia; a burrowing monotreme mammal covered with spines and having a long snout and and claws for hunting ants and termites; native to New Guinea; small Australian marsupial having long snout and strong claws for feeding on termites; nearly extinct; nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata; toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites
  • Antecubital -  of or relating to the region of the arm in front of the elbow
  • Antelope -  graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles; springboks; impalas; addax; gerenuks; blackbucks; dik-diks
  • Antemortem -  preceding death
  • Antenna -  one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste; an electrical device that sends or receives radio or television signals; sensitivity similar to that of a receptor organ
  • Anterograde -  of amnesia; affecting time immediately following trauma
  • Anthemis -  dog fennel
  • Anthophyllite -  a dark brown mineral of the amphibole group; magnesium iron silicate
  • Anthozoa -  no alternation of generations the medusoid phase being entirely suppressed: sea anemones; corals
  • Anthracite -  a hard natural coal that burns slowly and gives intense heat
  • Anthracosis -  lung disease caused by inhaling coal dust
  • Anthropoid -  resembling human beings; resembling apes;  any member of the suborder Anthropoidea including monkeys and apes and hominids; person who resembles a nonhuman primate
  • Anthropologist -  a social scientist who specializes in anthropology
  • Anthurium -  any of various tropical American plants cultivated for their showy foliage and flowers
  • Anticipation -  something expected (as on the basis of a norm); pleasurable expectation; wishing with confidence of fulfillment; the act of predicting (as by reasoning about the future)
  • Anticipatory -  in anticipation
  • Anticlockwise -  in the direction opposite to the rotation of the hands of a clock;  in a direction opposite to the direction in which the hands of a clock move
  • Antidorcas -  springboks
  • Antidromic -  conducting nerve impulses in a direction opposite to normal
  • Antiflatulent -  any agent that reduces intestinal gas
  • Antifreeze -  a liquid added to the water in a cooling system to lower its freezing point
  • Antigenic -  of or relating to antigens
  • Antigonia -  a genus of fish in the family Caproidae
  • Antigua -  the largest of the islands comprising Antigua and Barbuda
  • Antihistamine -  a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site
  • Antilocapra -  type and sole genus of the Antilocapridae comprising one species
  • Antilocapridae -  comprising only the pronghorns
  • Antilope -  blackbucks
  • Antimetabolite -  an antineoplastic drug that inhibits the utilization of a metabolite
  • Antimicrobial -  capable of destroying or inhibiting the growth of disease-causing microorganisms;  an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
  • Antimonic -  relating to or derived from antimony
  • Antiperspirant -  an astringent substance applied to the skin to reduce perspiration
  • Antiphlogistic -  counteracting inflammation
  • Antipsychotic -  tranquilizer used to treat psychotic conditions when a calming effect is desired
  • Antiseptic -  (extended sense) of exceptionally clean language; clean and honest; thoroughly clean and free of or destructive to disease-causing organisms; made free from live bacteria or other microorganisms; freeing from error or corruption;  a substance that destroys micro-organisms that carry disease without harming body tissues
  • Antlered -  having antlers
  • Antrozous -  a genus of Vespertilionidae
  • Antwerp -  a busy port and financial center in northern Belgium on the Scheldt river; it has long been a center for the diamond industry and the first stock exchange was opened there in 1460
  • Antwerpen -  a busy port and financial center in northern Belgium on the Scheldt river; it has long been a center for the diamond industry and the first stock exchange was opened there in 1460
  • Anxiousness -  a feeling of mild anxiety about possible developments; a relatively permanent state of anxiety occurring in a variety of mental disorders
  • Aortitis -  inflammation of the aorta
  • Apathetic -  marked by a lack of interest; showing little or no emotion or animation
  • Apatite -  a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus
  • Aphagia -  loss of the ability to swallow
  • Aphakia -  absence of the natural lens of the eye (usually resulting from the removal of cataracts)
  • Aphasic -  unable to speak because of a brain lesion; related to or affected by aphasia;  someone affected by aphasia or inability to use or understand language
  • Apheresis -  a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion; (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until'
  • Aphonia -  a disorder of the vocal organs that results in the loss of voice
  • Aphonic -  being without sound through injury or illness and thus incapable of all but whispered speech
  • Aphriza -  a genus of Scolopacidae
  • Aphrodisiac -  exciting sexual desire;  a drug or other agent that stimulates sexual desire
  • Aplodontia -  type genus of the Aplodontiidae: comprising the mountain beavers
  • Aplodontiidae -  mountain beavers
  • Apnoeic -  of or relating to apnea
  • Apocynum -  perennial herbs with small pink or white flowers
  • Aponeurosis -  any of the deeper and thicker fascia that attach muscles to bones; resemble flattened tendons
  • Aponeurotic -  of or relating to an aponeurosis
  • Apophyseal -  of or relating to an apophysis
  • Apophysis -  (anatomy) a natural outgrowth or projection on an organ or body part such as the process of a vertebra; (botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers
  • Apoplectic -  pertaining to or characteristic of apoplexy
  • Apoptosis -  a type of cell death in which the cell uses specialized cellular machinery to kill itself; a cell suicide mechanism that enables metazoans to control cell number and eliminate cells that threaten the animal's survival
  • Apostolic -  of or relating to or deriving from the Apostles or their teachings; proceeding from or ordered by or subject to a pope or the papacy regarded as the successor of the Apostles
  • Appalachia -  an impoverished coal mining area in the Appalachian Mountains (from Pennsylvania to North Carolina)
  • Appalachian -  in or relating to Appalachia;  a native or inhabitant of Appalachia
  • Appaloosa -  a hardy breed of saddle horse developed in western North America and characteristically having a spotted rump
  • Appendectomy -  surgical removal of the vermiform appendix
  • Appendicectomy -  surgical removal of the vermiform appendix
  • Appendicular -  relating to or consisting of an appendage or appendages; especially the limbs
  • Apperception -  the process whereby perceived qualities of an object are related to past experience
  • Appetising -  appealing to or stimulating the appetite especially in appearance or aroma
  • Appetizing -  appealing to or stimulating the appetite especially in appearance or aroma
  • Applesauce -  puree of stewed apples usually sweetened and spiced; nonsensical talk or writing
  • Appointed -  selected for a job; provided with furnishing and accessories (especially of a tasteful kind); fixed or established especially by order or command; subject to appointment
  • Appraiser -  one who estimates officially the worth or value or quality of things; one who determines authenticity (as of works of art) or who guarantees validity
  • Apprehension -  the act of apprehending (especially apprehending a criminal); painful expectation; fearful expectation or anticipation; the cognitive condition of someone who understands
  • Apprehensive -  in fear or dread of possible evil or harm; mentally upset over possible misfortune or danger etc; quick to understand
  • Approximate -  located close together; very close in resemblance; not quite exact or correct;  be close or similar; judge tentatively or form an estimate of (quantities or time)
  • Approximately -  (of quantities) imprecise but fairly close to correct
  • Approximation -  the act of bringing near or bringing together especially the cut edges of tissue; the quality of coming near to identity (especially close in quantity); an imprecise or incomplete account; an approximate calculation of quantity or degree or worth
  • Apraxic -  having uncoordinated muscular movements, symptomatic of a CNS disorder
  • Apricot -  downy yellow to rosy-colored fruit resembling a small peach; Asian tree having clusters of usually white blossoms and edible fruit resembling the peach; a shade of pink tinged with yellow
  • Apterygidae -  coextensive with the order Apterygiformes
  • Apterygiformes -  a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis
  • Apteryx -  nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes
  • Aquarium -  a tank or pool or bowl filled with water for keeping live fish and underwater animals
  • Aquatic -  operating or living or growing in water; relating to or consisting of or being in water;  a plant that lives in or on water
  • Aqueduct -  a conduit that resembles a bridge but carries water over a valley
  • Aqueous -  produced by the action of water; similar to or containing or dissolved in water
  • Aquilegia -  a plant of the genus Aquilegia having irregular showy spurred flowers; north temperate regions especially mountains
  • Arabian -  of or relating to Arabian horses; relating to or associated with Arabia or its people;  a spirited graceful and intelligent riding horse native to Arabia; a member of a Semitic people originally from the Arabian peninsula and surrounding territories who speaks Arabic and who inhabits much of the Middle East and northern Africa
  • Araceae -  anthurium; calla lily; jack-in-the-pulpit; philodendron
  • Arachnid -  air-breathing arthropods characterized by simple eyes and four pairs of legs
  • Arachnida -  a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings
  • Arachnoid -  relating to or resembling a member of the class Arachnida;  the middle of the 3 meninges; air-breathing arthropods characterized by simple eyes and four pairs of legs
  • Arachnophobia -  a morbid fear of spiders
  • Aramaic -  of or relating to the ancient Aramaic languages;  an alphabetical (or perhaps syllabic) script used since the 9th century BC to write the Aramaic language; many other scripts were subsequently derived from it; a Semitic language originally of the ancient Arameans but still spoken by other people in southwestern Asia
  • Araneae -  spiders
  • Araneida -  spiders
  • Araneus -  a genus of orb-weaving spiders including common garden spiders and barn spiders
  • Arapaho -  the Algonquian language spoken by the Arapaho; a member of a tribe of Plains Indians formerly inhabiting eastern Colorado and Wyoming (now living in Oklahoma and Wyoming)
  • Arapahoe -  the Algonquian language spoken by the Arapaho; a member of a tribe of Plains Indians formerly inhabiting eastern Colorado and Wyoming (now living in Oklahoma and Wyoming)
  • Arbitrary -  based on or subject to individual discretion or preference or sometimes impulse or caprice
  • Arborescent -  resembling a tree in form and branching structure
  • Archaeologist -  an anthropologist who studies prehistoric people and their culture
  • Archaic -  little evolved from or characteristic of an earlier ancestral type; so extremely old as seeming to belong to an earlier period
  • Archeologist -  an anthropologist who studies prehistoric people and their culture
  • Archery -  the sport of shooting arrows with a bow
  • Archilochus -  a genus of Trochilidae
  • Architect -  someone who creates plans to be used in making something (such as buildings)
  • Architecture -  the profession of designing buildings and environments with consideration for their esthetic effect; an architectural product or work; the discipline dealing with the principles of design and construction and ornamentation of fine buildings; (computer science) the structure and organization of a computer's hardware or system software
  • Archivist -  a person in charge of collecting and cataloguing archives
  • Archosargus -  a genus of Sparidae
  • Arctictis -  binturongs
  • Arctocebus -  a genus of Lorisidae
  • Arctocephalus -  fur seals
  • Arcuate -  forming or resembling an arch
  • Ardeidae -  herons; egrets; night herons; bitterns
  • Ardennes -  a wooded plateau in the Champagne-Ardenne region of France; the site of intense fighting in World War I and World War II
  • Arecidae -  one of four subclasses or superorder of Monocotyledones; comprises about 6400 species in 5 families of trees and shrubs and terrestrial herbs and a few free-floating aquatics including: Palmae; Araceae; Pandanaceae and Lemnaceae
  • Areflexia -  absence of a reflex; a sign of possible nerve damage
  • Arenaria -  turnstones; sandworts
  • Arenaviridae -  a family of arborviruses carried by arthropods
  • Arenavirus -  animal viruses belonging to the family Arenaviridae
  • Argasidae -  soft ticks
  • Argentina -  type genus of the Argentinidae: argentines; a republic in southern South America; second largest country in South America
  • Argentine -  of or relating to or characteristic of Argentina or its people;  any of various small silver-scaled salmon-like marine fishes
  • Argentous -  relating to compounds in which silver is univalent
  • Arginine -  a bitter tasting amino acid found in proteins and necessary for nutrition; its absence from the diet leads to a reduced production of spermatozoa
  • Argumentative -  given to or characterized by argument
  • Argusianus -  argus pheasants
  • Argyreia -  woody climbers of tropical Asia to Australia
  • Ariomma -  a genus of Stromateidae
  • Arisaema -  tuberous or rhizomatous herbaceous perennials
  • Aristolochia -  birthworts; Dutchman's-pipe
  • Arizona -  glossy snake; a state in southwestern United States; site of the Grand Canyon
  • Arkansas -  a state in south central United States; one of the Confederate states during the American Civil War; a river that rises in the Rocky Mountains in Colorado and flows southeast through Kansas and Oklahoma and through Arkansas to become a tributary of the Mississippi River
  • Armadillo -  burrowing chiefly nocturnal mammal with body covered with strong horny plates
  • Armband -  a band worn around the upper arm; worn around arm as identification or to indicate mourning
  • Armenia -  a landlocked republic in southwestern Asia; formerly an Asian soviet; modern Armenia is but a fragment of ancient Armenia which was one of the world's oldest civilizations; throughout 2500 years the Armenian people have been invaded and oppressed by their neighbors
  • Armenian -  of or pertaining to Armenia or the people or culture of Armenia;  a writing system having an alphabet of 38 letters in which the Armenian language is written; the Indo-European language spoken predominantly in Armenia; an ethnic group speaking Armenian and living in Armenia and Azerbaijan; a native or inhabitant of Armenia
  • Armillaria -  genus of edible mushrooms having white spores an annulus and blue juice; some are edible; some cause root rot
  • Armillariella -  a honey-colored diminutive form of genus Armillaria; grows in clusters; edible (when cooked) but most attention has been on how to get rid of it
  • Arminianism -  17th century theology (named after its founder Jacobus Arminius) that opposes the absolute predestinarianism of John Calvin and holds that human free will is compatible with God's sovereignty
  • Armoracia -  horseradish
  • Armored -  protected by armor (used of persons or things military); used of animals; provided with protective covering; equipped with the complete arms and armor of a warrior
  • Armoured -  protected by armor (used of persons or things military); used of animals; provided with protective covering
  • Armourer -  a manufacturer of firearms; an enlisted man responsible for the upkeep of small arms and machine guns etc.; a worker skilled in making armor or arms
  • Armoury -  a place where arms are manufactured; a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms; all the weapons and equipment that a country has; a collection of resources
  • Armrest -  a support for the arm
  • Arousal -  the act of arousing; awakening from sleep; a state of heightened physiological activity; mutual sexual fondling prior to sexual intercourse
  • Aroused -  (of persons) excessively affected by emotion; aroused to action; feeling great sexual desire; brought to a state of great tension; emotionally aroused; keenly excited (especially sexually) or indicating excitement
  • Arquebus -  an obsolete firearm with a long barrel
  • Arrange -  arrange thoughts, ideas, temporal events; make arrangements for; put into a proper or systematic order; adapt for performance in a different way; arrange attractively; plan, organize, and carry out (an event); set (printed matter) into a specific format
  • Arranger -  a musician who adapts a composition for particular voices or instruments or for another style of performance; a person who brings order and organization to an enterprise
  • Arranging -  the act of arranging and adapting a piece of music
  • Arrested -  having development checked or reversed
  • Arrhenatherum -  oat grass
  • Arrhenius -  Swedish chemist and chemist noted for his theory of chemical dissociation (1859-1927)
  • Arrogant -  having or showing feelings of unwarranted importance out of oearing pride
  • Arrowhead -  the pointed head or striking tip of an arrow
  • Arrowroot -  white-flowered West Indian plant whose root yields arrowroot starch; a nutritive starch obtained from the root of the arrowroot plant; canna grown especially for its edible rootstock from which arrowroot starch is obtained
  • Arsenate -  a salt or ester of arsenic acid
  • Artamidae -  wood swallows
  • Artamus -  type genus of the Artamidae
  • Artefact -  a man-made object taken as a whole
  • Artefactual -  of or relating to artifacts
  • Artemia -  fairy shrimp; brine shrimp
  • Arteria -  a blood vessel that carries blood from the heart to the body
  • Arteriolar -  of or relating to or involving arterioles
  • Arthritic -  of or pertaining to arthritis;  a person afflicted with arthritis
  • Arthrocentesis -  removal of fluid from a joint by centesis
  • Arthrography -  roentgenographic examination of a joint after injection of radiopaque contrast medium; produces an arthrogram
  • Arthroplasty -  surgical reconstruction or replacement of a malformed or degenerated joint
  • Arthropoda -  jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
  • Arthroscope -  a type of endoscope that is inserted into a joint for visual examination
  • Arthroscopy -  a minimally invasive operation to repair a damaged joint; the surgeon examines the joint with an arthroscope while making repairs through a small incision
  • Arthrospore -  one of a string of thick walled vegetative resting cells formed by some algae and fungi; a body that resembles a spore but is not an endospore; produced by some bacteria
  • Artichoke -  a thistlelike flower head with edible fleshy leaves and heart; Mediterranean thistlelike plant widely cultivated for its large edible flower head
  • Articulated -  proced distinctly and clearly; consisting of segments held together by joints
  • Articulatio -  (anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)
  • Articulator -  a movable speech organ; someone who proces words
  • Articulatory -  of or relating to articulation
  • Artifact -  a man-made object taken as a whole
  • Artillery -  large but transportable armament; an army unit that uses big guns; a means of persuading or arguing
  • Artistic -  satisfying aesthetic standards and sensibilities; relating to or characteristic of art or artists; aesthetically pleasing
  • Artocarpus -  evergreen Asiatic trees now grown through the tropics: breadfruit; jackfruit
  • Arugula -  erect European annual often grown as a salad crop to be harvested when young and tender
  • Asafetida -  the brownish gum resin of various plants; has strong taste and odor; formerly used as an antispasmodic
  • Asafoetida -  the brownish gum resin of various plants; has strong taste and odor; formerly used as an antispasmodic
  • Asbestosis -  lung disease caused by inhaling asbestos particles
  • Ascaridia -  roundworm having a preanal sucker
  • Ascension -  (astronomy) the rising of a star above the horizon; (New Testament) the rising of the body of Jesus into heaven on the 40th day after his Resurrection; (Christianity) celebration of the Ascension of Christ into heaven; observed on the 40th day after Easter; the act of changing location in an upward direction; a movement upward
  • Asceticism -  rigorous self-denial and active self-restraint; the doctrine that through renunciation of worldly pleasures it is possible to achieve a high spiritual or intellectual state; the trait of great self-denial (especially refraining from worldly pleasures)
  • Ascites -  accumulation of serous fluid in peritoneal cavity
  • Asclepiadaceae -  widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice
  • Asclepias -  genus of chiefly North American perennial herbs: silkweed; milkweed
  • Ascocarp -  mature fruiting body of an ascomycetous fungus
  • Ascomycete -  any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus
  • Ascomycetes -  large class of higher fungi coextensive with division Ascomycota: sac fungi
  • Ascomycotina -  a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and Discomycetes; sac fungi; in some classification systems considered a division of the kingdom Fungi
  • Ascospore -  sexually produced fungal spore formed within an ascus
  • Asepsis -  (of non-living objects) the state of being free of pathogenic organisms; the process of inhibiting the growth and multiplication of microorganisms
  • Asexual -  not having or involving sex
  • Ashamed -  feeling shame or guilt or embarrassment or remorse
  • Ashkenazi -  a Jew of eastern European or German descent
  • Asimina -  pawpaw
  • Asocial -  given to avoiding association with others; hostile to or disruptive of normal standards of social behavior
  • Asparaginase -  antineoplastic drug (trade name Elspar) sometimes used to treat lymphoblastic leukemia
  • Asparagus -  edible young shoots of the asparagus plant; plant whose succulent young shoots are cooked and eaten as a vegetable
  • Asphalt -  a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons; mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing;  cover with tar or asphalt
  • Asphyxiating -  tending to deprive of oxygen
  • Asphyxiation -  killing by depriving of oxygen; the condition of being deprived of oxygen (as by having breathing stopped)
  • Aspidelaps -  African coral snakes
  • Aspirate -  a consonant proced with aspiration;  suck in (air); proce with aspiration; of stop sounds; remove as if by suction
  • Assamese -  of or relating to or characteristic of Assam or its people or culture;  the Magadhan language spoken by the Assamese people; closely related to Bengali; native or inhabitant of the state of Assam in northeastern India
  • Assassin -  a murderer (especially one who kills a prominent political figure) who kills by a treacherous surprise attack and often is hired to do the deed; a member of a secret order of Muslims (founded in the 12th century) who terrorized and killed Christian Crusaders
  • Assassination -  murder of a public figure by surprise attack; an attack intended to ruin someone's reputation
  • Assault -  a threatened or attempted physical attack by someone who appears to be able to cause bodily harm if not stopped; close fighting during the culmination of a military attack; thoroughbred that won the triple crown in 1946; the crime of forcing a woman to submit to sexual intercourse against her will;  attack in speech or writing; attack someone physically or emotionally; force (someone) to have sex against their will
  • Assertion -  a declaration that is made emphatically (as if no supporting evidence were necessary); the act of affirming or asserting or stating something
  • Assertive -  confidently aggressive; inclined to bold and confident assertion; aggressively self-assured
  • Assertiveness -  aggressive self-assurance; given to making bold assertions
  • Assessor -  an official who evaluates property for the purpose of taxing it
  • Assigned -  appointed to a post or duty
  • Assimilation -  in the theories of Jean Piaget: the application of a general schema to a particular instance; a linguistic process by which a sound becomes similar to an adjacent sound; the process of absorbing nutrients into the body after digestion; the social process of absorbing one cultural group into harmony with another; the state of being assimilated; people of different backgrounds come to see themselves as part of a larger national family; the process of assimilating new ideas into an existing cognitive structure
  • Assimilatory -  capable of taking (gas,light, or liquids into a solution)
  • Associative -  characterized by or causing or resulting from the process of bringing ideas or events together in memory or imagination
  • Assumed -  accepted as real or true without proof; adopted in order to deceive; taken as your right without justification
  • Assumption -  the act of taking possession of or power over something; the act of assuming or taking for granted; a hypothesis that is taken for granted; (Christianity) the taking up of the body and soul of the Virgin Mary when her earthly life had ended; celebration in the Roman Catholic Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Dormition in the Eastern Orthodox church; audacious (even arrogant) behavior that you have no right to; a statement that is assumed to be true and from which a conclusion can be drawn
  • Assyrian -  an extinct language of the Assyrians regarded as a dialect of Akkadian; an inhabitant of ancient Assyria
  • Astacus -  type genus of the family Astacidae; Old World crayfish
  • Astasia -  inability to stand due to muscular incoordination
  • Astereognosis -  a loss of the ability to recognize objects by handling them
  • Asteridae -  a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales; Solanaceae; Scrophulariaceae; Labiatae; Verbenaceae; Rubiaceae; Compositae; sometimes classified as a superorder
  • Asteroid -  shaped like a star;  any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
  • Asteroidea -  sea stars
  • Asthenia -  an abnormal loss of strength
  • Asthenic -  having a slender physique; lacking strength or vigor
  • Astragalus -  large genus of annual or perennial herbs or shrubs of north temperate regions; largest genus in the family Leguminosae; the bone in the ankle that articulates with the leg bones to form the ankle joint
  • Astrocyte -  comparatively large neuroglial cell
  • Astrocytic -  of or relating to or containing large star-shaped cells in the neuroglia
  • Astrologer -  someone who predicts the future by the positions of the planets and sun and moon
  • Astronaut -  a person trained to travel in a spacecraft
  • Astronomer -  a physicist who studies astronomy
  • Astronomical -  inconceivably large; relating or belonging to the science of astronomy
  • Asymmetric -  characterized by asymmetry in the spatial arrangement or placement of parts or components
  • Asymmetrical -  irregular in shape or outline; characterized by asymmetry in the spatial arrangement or placement of parts or components
  • Asynchronous -  not synchronous; not occurring or existing at the same time or having the same period or phase; (digital communication) pertaining to a transmission technique that does not require a common clock between the communicating devices; timing signals are derived from special characters in the data stream itself
  • Asynergia -  absence of coordination of organs or body parts that usually work together harmoniously
  • Asystole -  absence of systole; failure of the ventricles of the heart to contract (usually caused by ventricular fibrillation) with consequent absence of the heart beat leading to oxygen lack and eventually to death
  • Atavism -  a reappearance of an earlier characteristic
  • Ateleiotic -  of or relating to ateleiosis
  • Athabascan -  a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir); a member of any of the North American Indian groups speaking an Athapaskan language and living in the subarctic regions of western Canada and central Alaska
  • Athabaskan -  a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir); a member of any of the North American Indian groups speaking an Athapaskan language and living in the subarctic regions of western Canada and central Alaska
  • Athapascan -  a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir); a member of any of the North American Indian groups speaking an Athapaskan language and living in the subarctic regions of western Canada and central Alaska
  • Atheism -  a lack of belief in the existence of God or gods; the doctrine or belief that there is no God
  • Atheist -  related to or characterized by or given to atheism;  someone who denies the existence of god
  • Atherinopsis -  a genus of Atherinidae
  • Atheroma -  a fatty deposit in the intima (inner lining) of an artery; can obstruct blood flow
  • Atheromatous -  of or relating to or resembling atheroma
  • Atherurus -  a genus of Hystricidae
  • Athetosis -  a continuous succession of slow, writhing, involuntary movements of the hands and feet and other body parts
  • Athlete -  a person trained to compete in sports
  • Athletic -  having a sturdy and well proportioned body; relating to or befitting athletics or athletes; vigorously active
  • Atlanta -  a siege in which Federal troops under Sherman cut off the railroads supplying the city and then burned it; 1864; state capital and largest city of Georgia; chief commercial center of the southeastern United States; was plundered and burned by Sherman's army during the American Civil War
  • Atlantic -  relating to or bordering the Atlantic Ocean;  the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east
  • Atomiser -  a dispenser that turns a liquid (such as perfume) into a fine mist
  • Atomizer -  a dispenser that turns a liquid (such as perfume) into a fine mist
  • Atrazine -  a synthetic compound derived from triazine that is widely used as an agricultural herbicide
  • Atrichornis -  type genus of the Atrichornithidae
  • Atriplex -  orach; saltbush
  • Attempted -  tried unsuccessfully
  • Attended -  having a caretaker or other watcher; having accompaniment or companions or escort
  • Attending -  being present (at meeting or event etc.); serving attendance on someone;  the act of being present (at a meeting or event etc.); the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
  • Attentiveness -  the trait of being observant and paying attention; the trait of being considerate and thoughtful of others; paying particular notice (as to children or helpless people)
  • Attenuated -  of an electrical signal; reduced in amplitude with little or no distortion; reduced in strength
  • Atticus -  atlas moth
  • Attitudinal -  of or relating to attitudes
  • Atypically -  in a manner that is not typical
  • Aubergine -  egg-shaped vegetable having a shiny skin typically dark purple but occasionally white or yellow; hairy upright herb native to southeastern Asia but widely cultivated for its large glossy edible fruit commonly used as a vegetable
  • Auctioneer -  an agent who conducts an auction;  sell at an auction
  • Audiogram -  a graphical representation of a person's auditory sensitivity to sound
  • Audiometer -  an instrument used to measure the sensitivity of hearing
  • Audiometric -  of or relating to audiometry
  • Audiovisual -  involving both hearing and seeing (usually relating to teaching aids);  materials using sight or sound to present information
  • Audition -  a test of the suitability of a performer; the ability to hear; the auditory faculty;  perform in order to get a role
  • Auditor -  a qualified accountant who inspects the accounting records and practices of a business or other organization; a student who attends a course but does not take it for credit; someone who listens attentively
  • Augmented -  added to or made greater in amount or number or strength
  • Aulostomus -  type genus of the Aulostomidae
  • Aureomycin -  a yellow crystalline antibiotic (trade name Aureomycin) used to treat certain bacterial and rickettsial diseases
  • Aurochs -  large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle; European bison having a smaller and higher head than the North American bison
  • Auroscope -  medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
  • Auscultation -  listening to sounds within the body (usually with a stethoscope)
  • Auscultatory -  of or relating to auscultation
  • Austral -  of the south or coming from the south; relating to or coming from the south;  the basic unit of money in Argentina; equal to 100 centavos
  • Australasia -  Australia, New Zealand, and neighboring islands in the South Pacific
  • Australasian -  relating to or found in Australasia
  • Australia -  a nation occupying the whole of the Australian continent; aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony; the smallest continent; between the South Pacific and the Indian Ocean
  • Australian -  of or relating to or characteristic of Australia or its inhabitants;  the Austronesian languages spoken by Australian aborigines; a native or inhabitant of Australia
  • Austria -  a mountainous republic in central Europe; under the Habsburgs (1278-1918) Austria maintained control of the Holy Roman Empire and was a leader in European politics until the 19th century
  • Austrian -  of or relating to Austria or its people or culture;  a native or inhabitant of Austria
  • Austronesian -  of or relating to or characteristic of Austronesia or its people or culture;  the family of languages spoken in Australia and Formosa and Malaysia and Polynesia; a native or inhabitant of Austronesia
  • Autochthonous -  of rocks, deposits, etc.; found where they and their constituents were formed; originating where it is found
  • Autoinjector -  a hypodermic syringe to use in injecting yourself with a liquid
  • Autolysis -  lysis of plant or animal tissue by an internal process
  • Automaton -  a mechanism that can move automatically; someone who acts or responds in a mechanical or apathetic way
  • Automeris -  io moth
  • Automotive -  containing within itself the means of propulsion or movement; of or relating to motor vehicles
  • Autonomous -  (of persons) free from external control and constraint in e.g. action and judgment; existing as an independent entity; (of political bodies) not controlled by outside forces
  • Autotroph -  plant capable of synthesizing its own food from simple organic substances
  • Autotrophic -  of or relating to organisms (as green plants) that can make complex organic nutritive compounds from simple inorganic sources by photosynthesis
  • Avadavat -  red Asian weairds often kept as cage birds
  • Avascular -  without blood vessels
  • Averrhoa -  trees native to East Indies having pinnate leaves: carambolas
  • Aversive -  tending to repel or dissuade
  • Avestan -  of or pertaining to the Avesta (sacred text of Zoroastrianism);  the script in which the ancient Persian language of the Avesta is written; an ancient Iranian language
  • Aviation -  the art of operating aircraft; the operation of aircraft to provide transportation; the aggregation of a country's military aircraft; travel via aircraft
  • Avignon -  a town in southeastern France on the Rhone River; the seat of the papacy from 1309 to 1378 and the residence of antipopes during the Great Schism
  • Avionics -  science and technology of electronic systems and devices for aeronautics and astronautics
  • Avitaminosis -  any of several diseases caused by deficiency of one or more vitamins
  • Avocado -  of the dull yellowish green of the meat of an avocado;  a pear-shaped tropical fruit with green or blackish skin and rich yellowish pulp enclosing a single large seed; tropical American tree bearing large pulpy green fruits
  • Awakening -  the act of waking
  • Awkwardness -  trouble in carrying or managing caused by bulk or shape; the inelegance of someone stiff and unrelaxed (as by embarrassment); the carriage of someone whose movements and posture are ungainly or inelegant; the quality of an embarrassing situation; unskillfulness resulting from a lack of training
  • Axolotl -  larval salamander of mountain lakes of Mexico that usually lives without metamorphosing
  • Ayrshire -  hardy breed of dairy cattle from Ayr, Scotland
  • Ayurveda -  (Sanskrit) an ancient medical treatise summarizing the Hindu art of healing and prolonging life; sometimes regarded as a 5th Veda
  • Azerbaijan -  a landlocked republic in southwestern Asia; formerly an Asian soviet
  • Azerbaijani -  of or pertaining to Azerbaijan or the people or culture of Azerbaijan;  the Turkic language spoken by the Azerbaijani; a native or inhabitant of Azerbaijan
  • Azotaemia -  accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine
  • Azotemia -  accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine
  • Azotemic -  of or involving excess nitrogenous waste products in the urine (usually due to kidney insufficiency)
  • Azoturia -  excess of urea in the urine
  • Azygous -  occurring singly; not one of a pair
  • abandon -  the trait of lacking restraint or control; reckless freedom from inhibition or worry; a feeling of extreme emotional intensity;  stop maintaining or insisting on; of ideas or claims; leave someone who needs or counts on you; leave in the lurch; give up with the intent of never claiming again; forsake, leave behind; leave behind empty; move out of
  • abdominal -  of or relating to or near the abdomen;  the muscles of the abdomen
  • abducted -  (of persons) seized and detained unlawfully, often for ransom
  • aberration -  an optical phenomenon resulting from the failure of a lens or mirror to produce a good image; a disorder in one's mental state; a state or condition markedly different from the norm
  • abnormal -  much greater than the normal; not normal; not typical or usual or regular or conforming to a norm; departing from the normal in e.g. intelligence and development
  • abnormality -  behavior that breaches the rule or etiquette or custom or morality; marked strangeness as a consequence of being abnormal; retardation sufficient to fall outside the normal range of intelligence; an abnormal condition
  • aborigine -  a dark-skinned member of a race of people living in Australia when Europeans arrived; the earliest known inhabitants of a region
  • abortus -  a human fetus whose weight is less than 0.5 kilogram when removed or expelled from the mother's body
  • abruption -  an instance of sudden interruption
  • abscess -  symptom consisting of a localized collection of pus surrounded by inflamed tissue
  • absorbed -  taken in through the pores of a surface; retained without reflection; giving or marked by complete attention to
  • absorber -  (physics) material in a nuclear reactor that absorbs radiation
  • absorbing -  capable of arousing and holding the attention
  • absorption -  (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid; (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium; the mental state of being preoccupied by something; complete attention; intense mental effort; the process of absorbing nutrients into the body after digestion; the social process of absorbing one cultural group into harmony with another
  • absorptive -  having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)
  • abstain -  choose not to consume; refrain from voting
  • abstainer -  a person who refrains from drinking intoxicating beverages; someone who practices self denial as a spiritual discipline
  • abstraction -  a general concept formed by extracting common features from specific examples; the act of withdrawing or removing something; an abstract painting; the process of formulating general concepts by abstracting common properties of instances; a concept or idea not associated with any specific instance; preoccupation with something to the exclusion of all else
  • abstractly -  in abstract terms
  • abundance -  the property of a more than adequate quantity or supply; (chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million; (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
  • abundant -  present in great quantity
  • acanthoma -  a neoplasm originating in the epidermis
  • acanthuridae -  surgeonfishes
  • accepting -  tolerating without protest
  • accessible -  capable of being reached; easy to get along with or talk to; friendly; easily obtained; capable of being read with comprehension
  • accessory -  furnishing added support;  a supplementary component that improves capability; clothing that is worn or carried, but not part of your main clothing; someone who helps another person commit a crime
  • accidental -  without intention (especially resulting from heedless action); associated by chance and not an integral part; occurring or appearing or singled out by chance;  a musical notation that makes a note sharp or flat or natural although that is not part of the key signature
  • accommodation -  (physiology) the automatic adjustment in focal length of the lens of the eye; the act of providing something (lodging or seat or food) to meet a need; living quarters provided for public convenience; in the theories of Jean Piaget: the modification of internal representations in order to accommodate a changing knowledge of reality; a settlement of differences; making or becoming suitable; adjusting to circumstances
  • accommodative -  tending to reconcile or accommodate; bringing into harmony; willing to adjust to differences in order to obtain agreement; helpful in bringing about a harmonious adaptation
  • accompanied -  having accompaniment or companions or escort
  • accompaniment -  a subordinate musical part; provides background for more important parts; an event or situation that happens at the same time as or in connection with another; the act of accompanying someone or something in order to protect them
  • accompanying -  following as a consequence
  • according -  (followed by `to') as reported or stated by; (followed by `to') in agreement with or accordant with
  • account -  the quality of taking advantage; importance or value; a statement of recent transactions and the resulting balance; a formal contractual relationship established to provide for regular banking or brokerage or business services; a record or narrative description of past events; an itemized statement of money owed for goods shipped or services rendered; a short account of the news; a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.; the act of informing by al report; grounds;  furnish a justifying analysis or explanation; keep an account of; be the sole or primary factor in the existence, acquisition, supply, or disposal of something; to give an account or representation of in words
  • acculturate -  assimilate culturally
  • accuracy -  the quality of being near to the true value; (mathematics) the number of significant figures given in a number
  • accurately -  with few mistakes; strictly correctly
  • accusation -  an assertion that someone is guilty of a fault or offence; a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt
  • acetaminophen -  an analgesic for mild pain; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)
  • acetanilide -  a white crystalline compound used as an analgesic and also as an antipyretic
  • acetate -  a salt or ester of acetic acid; a fabric made from fibers of cellulose acetate
  • acetylation -  the process of introducing an acetyl group into a compound
  • acetylcholine -  a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems
  • acetylene -  a colorless flammable gas used chiefly in welding and in organic synthesis
  • achieve -  to gain with effort
  • achievement -  the action of accomplishing something
  • acidity -  pH values below 7; the taste experience when something acidic is taken into the mouth; the property of being acidic
  • acknowledgment -  a statement acknowledging something or someone; a short note recognizing a source of information or of a quoted passage; the state or quality of being recognized or acknowledged
  • acoustic -  of or relating to the science of acoustics;  a remedy for hearing loss or deafness
  • acquired -  gotten through environmental forces
  • acromion -  the outermost point of the spine of the shoulder blade
  • actinic -  relating to or exhibiting actinism
  • actinomycosis -  disease of cattle that can be transmitted to humans; results from infection with actinomycetes; characterized by hard swellings that exude pus through long sinuses
  • activase -  a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction
  • activated -  set up and placed on active assignment; rendered active; e.g. rendered radioactive or luminescent or photosensitive or conductive; (of e.g. a molecule) made reactive or more reactive; (of sewage) treated with aeration and bacteria to aid decomposition
  • activating -  causing motion or action or change;  the activity of causing to have energy and be active
  • activity -  any specific behavior; (chemistry) the capacity of a substance to take part in a chemical reaction; the trait of being active; moving or acting rapidly and energetically; an organic process that takes place in the body; a process existing in or produced by nature (rather than by the intent of human beings); the state of being active
  • actualization -  making real or giving the appearance of reality
  • acuminate -  of a leaf shape; narrowing to a slender point;  make sharp or acute; taper; make (something) come to a point
  • acupuncture -  treatment of pain or disease by inserting the tips of needles at specific points on the skin
  • adaptation -  (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light); a written work (as a novel) that has been recast in a new form; the process of adapting to something (such as environmental conditions)
  • adaptative -  having a capacity for adaptation
  • adapter -  device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible; a musician who adapts a composition for particular voices or instruments or for another style of performance
  • adaption -  the process of adapting to something (such as environmental conditions)
  • adaptive -  having a capacity for adaptation
  • addiction -  (Roman law) a formal award by a magistrate of a thing or person to another person (as the award of a debtor to his creditor); a surrender to a master; an abnormally strong craving; being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)
  • additive -  characterized or produced by addition; designating or involving an equation whose terms are of the first degree;  something added to enhance food or gasoline or paint or medicine
  • address -  the stance assumed by a golfer in preparation for hitting a golf ball; (computer science) the code that identifies where a piece of information is stored; written directions for finding some location; written on letters or packages that are to be delivered to that location; a sign in front of a house or business carrying the conventional form by which its location is described; the manner of speaking to another individual; the act of delivering a formal spoken communication to an audience; the place where a person or organization can be found or communicated with; social skill;  adjust and aim (a golf ball) at in preparation of hitting; speak to; give a speech to; speak to someone; put an address on (an envelope); direct a question at someone; address or apply oneself to something, direct one's efforts towards something, such as a question; access or locate by address; greet, as with a prescribed form, title, or name; deal with ally or in some form of artistic expression
  • adduction -  (physiology) moving of a body part toward the central axis of the body
  • adenitis -  inflammation of a gland or lymph node
  • adenocarcinoma -  malignant tumor originating in glandular epithelium
  • adenoma -  a benign epithelial tumor of glandular origin
  • adenomyosis -  the presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea
  • adenosine -  (biochemistry) a nucleoside that is a structural component of nucleic acids; it is present in all living cells in a combined form as a constituent of DNA and RNA and ADP and ATP and AMP
  • adenovirus -  any of a group of viruses including those that in humans cause upper respiratory infections or infectious pinkeye
  • adhesion -  a fibrous band of scar tissue that binds together normally separate anatomical structures; abnormal union of bodily tissues; most common in the abdomen; faithful support for a religion or cause or political party; the property of sticking together (as of glue and wood) or the joining of surfaces of different composition
  • adhesive -  tending to adhere;  a substance that unites or bonds surfaces together
  • adhesiveness -  the property of sticking together (as of glue and wood) or the joining of surfaces of different composition
  • adjacent -  near or close to but not necessarily touching; nearest in space or position; immediately adjoining without intervening space; having a common boundary or edge; touching
  • adjective -  relating to court practice and procedure as opposed to the principles of law; of or relating to or functioning as an adjective;  the word class that qualifies s; a word that expresses an attribute of something
  • adjuster -  one who investigates insurance claims or claims for damages and recommends an effective settlement
  • administer -  give or apply (medications); administer ritually; of church sacraments; work in an administrative capacity; supervise; administer or bestow, as in small portions
  • administration -  the act of administering medication; a method of tending to (especially business) matters; the persons (or committees or departments etc.) who make up a body for the purpose of administering something; the tenure of a president
  • admittance -  the act of admitting someone to enter; the right to enter
  • adolescence -  in the state that someone is in between puberty and adulthood; the time period between the beginning of puberty and adulthood
  • adolescent -  in the state of development between puberty and maturity; displaying or suggesting a lack of maturity; being of the age 13 through 19; relating to or peculiar to or suggestive of an adolescent;  a juvenile between the onset of puberty and maturity
  • adrenal gland -  either of a pair of complex endocrine glands situated near the kidney
  • adrenal -  of or pertaining to the adrenal glands or their secretions; near the kidneys;  either of a pair of complex endocrine glands situated near the kidney
  • adrenalin -  a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
  • adrenaline -  a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
  • adrenergic -  relating to epinephrine (its release or action);  drug that has the effects of epinephrine
  • adrenocortical -  of or derived from the cortex of the adrenal glands
  • adsorbed -  accumulated on a surface of a solid
  • adsorption -  the accumulation of molecules of a gas to form a thin film on the surface of a solid
  • advance -  situated ahead or going before; being ahead of time or need;  increase in price or value; an amount paid before it is earned; the act of moving forward toward a goal; a tentative suggestion designed to elicit the reactions of others; a change for the better; progress in development; a movement forward;  rise in rate or price; develop further; bring forward for consideration or acceptance; move forward, also in the metaphorical sense; cause to move forward; move forward; pay in advance; develop in a positive way; increase or raise; obtain advantages, such as points, etc.; give a promotion to or assign to a higher position; contribute to the progress or growth of
  • advanced -  (of societies) highly developed especially in technology or industry; far along in time; comparatively late in a course of development; ahead in development; complex or intricate; at a higher level in training or knowledge or skill; farther along in physical or mental development; ahead of the times; situated ahead or going before
  • adventism -  any Christian religion that believes the second coming of Christ is imminent
  • adventist -  a member of Christian denomination that expects the imminent advent of Christ
  • adverse -  in an opposing direction; contrary to your interests or welfare
  • adviser -  an expert who gives advice
  • advisor -  an expert who gives advice
  • advocate -  a person who pleads for a cause or propounds an idea; a lawyer who pleads cases in court;  speak, plead, or argue in favour of; push for something
  • aeration -  the act of charging a liquid with a gas making it effervescent; the process of exposing to air (so as to purify)
  • aeronautics -  the theory and practice of navigation through air or space
  • aerosol -  a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas); a cloud of solid or liquid particles in a gas
  • aesthetic -  concerning or characterized by an appreciation of beauty or good taste; aesthetically pleasing; relating to or dealing with the subject of aesthetics;  (philosophy) a philosophical theory as to what is beautiful
  • aesthetically -  in a tasteful way
  • aetiologic -  relating to the etiology of a disease; of or relating to the philosophical study of causation
  • aetiological -  relating to the etiology of a disease; of or relating to the philosophical study of causation
  • aetiology -  the philosophical study of causation; the cause of a disease
  • affecting -  arousing affect
  • afferent -  of nerves and nerve impulses; conveying sensory information from the sense organs to the CNS;  a nerve that passes impulses from receptors toward or to the central nervous system
  • affiliation -  the act of becoming formally connected or joined; a social or business relationship
  • affirmation -  a judgment by a higher court that the judgment of a lower court was correct and should stand; (religion) a solemn declaration that serves the same purpose as an oath (if an oath is objectionable to the person on religious or ethical grounds); the act of affirming or asserting or stating something; a statement asserting the existence or the truth of something
  • aflatoxin -  a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon
  • african -  of or relating to the nations of Africa or their peoples;  a native or inhabitant of Africa
  • agenesis -  imperfect development; nondevelopment of a part
  • aggrandisement -  the act of increasing the wealth or prestige or power or scope of something
  • aggravated -  incited, especially deliberately, to anger; made more severe or intense especially in law
  • aggregate -  gathered or tending to gather into a mass or whole; formed of separate units in a cluster;  a sum total of many heterogenous things taken together; the whole amount;  gather in a mass, sum, or whole; amount in the aggregate to
  • aggregation -  the act of gathering something together; several things grouped together or considered as a whole
  • aggression -  violent action that is hostile and usually unprovoked; deliberately unfriendly behavior; the act of initiating hostilities; a disposition to behave aggressively; a feeling of hostility that arouses thoughts of attack
  • aggressiveness -  a natural disposition to be hostile; the quality of being bold and enterprising; a feeling of hostility that arouses thoughts of attack
  • agility -  the gracefulness of a person or animal that is quick and nimble
  • agitator -  one who agitates; a political troublemaker
  • agnatha -  superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
  • agnosia -  inability to recognize objects by use of the senses
  • agonidae -  poachers
  • agonist -  (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction; a muscle that contracts while another relaxes; someone involved in a contest or battle (as in an agon); the principal character in a work of fiction
  • agricultural -  relating to or used in or promoting agriculture or farming; relating to rural matters
  • airborne -  moved or conveyed by or through air
  • aircraft -  a vehicle that can fly
  • airflow -  the flow of air
  • airline -  a commercial enterprise that provides scheduled flights for passengers; a hose that carries air under pressure
  • airport -  an airfield equipped with control tower and hangers as well as accommodations for passengers and cargo
  • airship -  a steerable self-propelled airship
  • airstream -  a relatively well-defined prevailing wind; the flow of air that is driven backwards by an aircraft propeller
  • aizoaceae -  succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds
  • akeridae -  bubble shells
  • alanine -  a crystalline amino acid that occurs in many proteins
  • albinism -  the congenital absence of pigmentation in the eyes and skin and hair
  • albuginea -  whitish tunic
  • albulidae -  bonefish
  • albumin -  a simple water-soluble protein found in many animal tissues and liquids
  • alcohol -  a liquor or brew containing alcohol as the active agent; any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation
  • alcoholic -  addicted to alcohol; characteristic of or containing alcohol;  a person who drinks alcohol to excess habitually
  • alcoholism -  habitual intoxication; prolonged and excessive intake of alcoholic drinks leading to a breakdown in health and an addiction to alcohol such that abrupt deprivation leads to severe withdrawal symptoms; an intense persistent desire to drink alcoholic beverages to excess
  • aldactone -  a synthetic corticosteroid (trade name Aldactone) used to treat hypertension
  • aldehyde -  any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids
  • alexanders -  European herb somewhat resembling celery widely naturalized in Britain coastal regions and often cultivated as a potherb
  • algometer -  device for measuring pain caused by pressure
  • algorithm -  a precise rule (or set of rules) specifying how to solve some problem
  • alienated -  caused to be unloved; socially disoriented
  • alienation -  the action of alienating; the action of causing to become unfriendly; (law) the voluntary and absolute transfer of title and possession of real property from one person to another; the feeling of being alienated from other people; separation resulting from hostility
  • aligned -  brought into agreement or cooperation on the side of a faction, party, or cause; in a straight line
  • alignment -  the act of adjusting or aligning the parts of a device in relation to each other; the spatial property possessed by an arrangement or position of things in a straight line or in parallel lines; (astronomy) apparent meeting or passing of two or more celestial bodies in the same degree of the zodiac; an organization of people (or countries) involved in a pact or treaty
  • alimentation -  the act of supplying food and nourishment; a source of materials to nourish the body
  • alkaloid -  natural bases containing nitrogen found in plants
  • alkalosis -  abnormally high alkalinity (low hydrogen-ion concentration) of the blood and other body tissues
  • allergen -  any substance that can cause an allergy
  • allergic -  having an allergy or peculiar or excessive susceptibility (especially to a specific factor); characterized by or caused by allergy
  • allergist -  a physician skilled in the diagnosis and treatment of allergies
  • allergy -  hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity
  • alligatorfish -  small very elongate sea poachers
  • alligatoridae -  alligators; caimans
  • allocation -  (computer science) the assignment of particular areas of a magnetic disk to particular data or instructions; the act of distributing by allotting or apportioning; distribution according to a plan; a share set aside for a specific purpose
  • allograft -  tissue or organ transplanted from a donor of the same species but different genetic makeup; recipient's immune system must be suppressed to prevent rejection of the graft
  • allopurinol -  a drug (trade name Zyloprim) used to treat gout and other conditions in which there is an excessive buildup of uric acid
  • allowance -  the act of allowing; a permissible difference; allowing some freedom to move within limits; an amount added or deducted on the basis of qualifying circumstances; an amount allowed or granted (as during a given period); a sum granted as reimbursement for expenses; a reserve fund created by a charge against profits in order to provide for changes in the value of a company's assets;  put on a fixed allowance, as of food
  • alopecia -  loss of hair (especially on the head) or loss of wool or feathers; in humans it can result from heredity or hormonal imbalance or certain diseases or drugs and treatments (chemotherapy for cancer)
  • alopiidae -  thresher sharks
  • alphabet -  a character set that includes letters and is used to write a language; the elementary stages of any subject (usually plural)
  • alphanumeric -  of or pertaining to alphanumeric characters
  • alprazolam -  an antianxiety agent (trade name Xanax) of the benzodiazepine class
  • alteration -  the act of making something different (as e.g. the size of a garment); the act of revising or altering (involving reconsideration and modification); an event that occurs when something passes from one state or phase to another
  • altered -  changed in form or character without becoming something else; having testicles or ovaries removed; changed in order to improve or made more fit for a particular purpose
  • altering -  the sterilization of an animal
  • alternate -  occurring by turns; first one and then the other; every second one of a series; of leaves and branches etc; first on one side and then on the other in two ranks along an axis; not paired; allowing a choice;  someone who takes the place of another person;  do something in turns; go back and forth; swing back and forth between two states or conditions; exchange people temporarily to fulfill certain jobs and functions; reverse (a direction, attitude, or course of action); be an understudy or alternate for a role
  • alternating -  (of a current) reversing direction; occurring by turns; first one and then the other
  • alternation -  successive change from one thing or state to another and back again; being regularly exchangeable
  • alternative -  necessitating a choice between mutually exclusive possibilities; pertaining to unconventional choices; allowing a choice;  one of a number of things from which only one can be chosen
  • alternatively -  in place of, or as an alternative to
  • altitude -  elevation especially above sea level or above the earth's surface; the perpendicular distance from the base of a geometric figure to opposite vertex (or side if parallel); angular distance above the horizon (especially of a celestial object)
  • alumina -  any of various forms of aluminum oxide occurring naturally as corundum
  • aluminate -  a compound of alumina and a metallic oxide
  • aluminium -  a silvery ductile metallic element found primarily in bauxite
  • aluminous -  pertaining to or containing aluminum or alum
  • aluminum -  a silvery ductile metallic element found primarily in bauxite
  • alveolar -  pertaining to the tiny air sacs of the lungs; pertaining to the alveolar ridge;  a consonant articulated with the tip of the tongue near the gum ridge
  • alveolitis -  inflammation of the alveoli in the lungs caused by inhaling dust; with repeated exposure the condition may become chronic; inflammation in the socket of a tooth; sometimes occurs after a tooth is extracted and a blood clot fails to form
  • alzheimers -  a progressive form of presenile dementia that is similar to senile dementia except that it usually starts in the 40s or 50s; first symptoms are impaired memory which is followed by impaired thought and speech and finally complete helplessness
  • amalgam -  a combination or blend of diverse things; an alloy of mercury with another metal (usually silver) used by dentists to fill cavities in teeth; except for iron and platinum all metals dissolve in mercury and chemists refer to the resulting mercury mixtures as amalgams
  • amaurosis -  partial or total loss of sight without pathology of the eye; caused by disease of optic nerve or retina or brain
  • amaurotic -  pertaining to blindness caused by amaurosis
  • amberjack -  any of several amber to coppery fork-tailed warm-water carangid fishes
  • ambient -  completely enveloping
  • ambiguous -  having more than one possible meaning; having no intrinsic or objective meaning; not organized in conventional patterns; open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead
  • amblyopia -  visual impairment without apparent organic pathology
  • ambulance -  a vehicle that takes people to and from hospitals
  • ambulant -  able to walk about
  • ambulatory -  relating to or adapted for walking; able to walk about;  a covered walkway (as in a cloister)
  • amebiasis -  infection by a disease-causing ameba
  • amelioration -  the act of relieving ills and changing for the better
  • amelogenesis -  the developmental process of forming tooth enamel
  • amenable -  disposed or willing to comply; liable to answer to a higher authority; open to being acted upon in a certain way; readily reacting to suggestions and influences
  • amenities -  things that make you comfortable and at ease
  • america -  North America and South America and Central America; North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
  • american -  of or relating to or characteristic of the continents and islands of the Americas; of or relating to the United States of America or its people or language or culture;  a native or inhabitant of a North American or Central American or South American country; a native or inhabitant of the United States; the English language as used in the United States
  • americana -  any artifact (such as books or furniture or art) that is distinctive of America
  • amiidae -  only the bowfins
  • aminophylline -  a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis
  • amiodarone -  an antiarrhythmic drug (trade name Cordarone) that has potentially fatal side effects and is used to control serious heart rhythm problems only when safer agents have been ineffective
  • amitriptyline -  a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications
  • ammodytidae -  sand lances
  • ammonia -  a pungent gas compounded of nitrogen and hydrogen (NH3); a water solution of ammonia
  • ammonium -  the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
  • amnestic -  of or relating to or caused by amnesia
  • amniocentesis -  (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities
  • amnionic -  of or related to the amnion or characterized by developing an amnion
  • amniotic -  of or related to the amnion or characterized by developing an amnion
  • amobarbital -  a barbiturate with sedative and hypnotic effects; used to relive insomnia and as an anticonvulsant
  • amoebiasis -  infection by a disease-causing ameba
  • amoebic -  pertaining to or resembling amoebae
  • amoebida -  the animal order including amoebas
  • amorpha -  any plant of the genus Amorpha having odd-pinnate leaves and purplish spicate flowers
  • amorphous -  without real or apparent crystalline form; lacking the system or structure characteristic of living bodies; having no definite form or distinct shape
  • amoxicillin -  an antibiotic; a semisynthetic oral penicillin (trade names Amoxil and Larotid and Polymox and Trimox and Augmentin) used to treat bacterial infections
  • amperage -  the strength of a electrical current measured in amperes
  • amphetamine -  a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
  • amphibia -  the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians
  • amphisbaenidae -  worm lizards
  • amphotericin -  an antibiotic and antifungal agent
  • ampicillin -  semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
  • amplification -  (electronics) the act of increasing voltage or power or current; addition of extra material or illustration or clarifying detail; the amount of increase in signal power or voltage or current expressed as the ratio of output to input
  • amplitude -  greatness of magnitude; the property of copious abundance; (physics) the maximum displacement of a periodic wave
  • ampoule -  a small bottle that contains a drug (especially a sealed sterile container for injection by needle)
  • ampulla -  a flask that has two handles; used by Romans for wines or oils; the dilated portion of a canal or duct especially of the semicircular canals of the ear
  • amputation -  a surgical removal of all or part of a limb; a condition of disability resulting from the loss of one or more limbs
  • amylase -  any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar
  • amyloid -  resembling starch;  (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue; a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch
  • amyloidosis -  a disorder characterized by deposit of amyloid in organs or tissues; often secondary to chronic rheumatoid arthritis or tuberculosis or multiple myeloma
  • anabolic -  characterized by or promoting constructive metabolism; of or related to the synthetic phase of metabolism
  • anaemia -  a deficiency of red blood cells; a lack of vitality
  • anaerobic -  living or active in the absence of free oxygen; not aerobic
  • anaesthesia -  loss of bodily sensation with or without loss of consciousness
  • anaesthetic -  characterized by insensibility;  a drug that causes temporary loss of bodily sensations
  • anaesthetised -  rendered insensible by means of anesthesia
  • anaesthetist -  a specialist who administers an anesthetic to a patient before he is treated
  • analeptic -  stimulating the central nervous system;  a medication used as a stimulant to the central nervous system
  • analgesia -  absence of the sense of pain without loss of consciousness
  • analgesic -  capable of relieving pain;  a medicine used to relieve pain
  • analogue -  of a circuit or device having an output that is proportional to the input;  something having the property of being analogous to something else
  • analyse -  subject to psychoanalytic treatment; make a mathematical, chemical, or grammatical analysis of; break down into components or essential features; consider in detail and subject to an analysis in order to discover essential features or meaning; break down into components or essential features
  • analyser -  an instrument that performs analyses
  • analysis -  an investigation of the component parts of a whole and their relations in making up the whole; the abstract separation of a whole into its constituent parts in order to study the parts and their relations; a branch of mathematics involving calculus and the theory of limits; sequences and series and integration and differentiation; a form of literary criticism in which the structure of a piece of writing is analyzed; the use of closed-class words instead of inflections: e.g., `the father of the bride' instead of `the bride's father'; a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud
  • analyst -  a licensed practitioner of psychoanalysis; someone who is skilled at analyzing data; an expert who studies financial data (on credit or securities or sales or financial patterns etc.) and recommends appropriate business actions
  • analytic -  of a proposition that is necessarily true independent of fact or experience; expressing a grammatical category by using two or more words rather than inflection; using or skilled in using analysis (i.e., separating a whole--intellectual or substantial--into its elemental parts or basic principles); using or subjected to a methodology using algebra and calculus
  • analyze -  subject to psychoanalytic treatment; make a mathematical, chemical, or grammatical analysis of; break down into components or essential features; consider in detail and subject to an analysis in order to discover essential features or meaning; break down into components or essential features
  • analyzer -  an instrument that performs analyses
  • anaphylaxis -  hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
  • anarhichadidae -  wolffishes
  • anastomosis -  a natural or surgical joining of parts or branches of tubular structures so as to make or become continuous
  • anastomotic -  of or relating to or exhibiting anastomosis
  • anatidae -  swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
  • anatomic -  of or relating to the structure of the body; of or relating to the branch of morphology that studies the structure of organisms
  • anatomical -  of or relating to the structure of the body; of or relating to the branch of morphology that studies the structure of organisms;  an expression that relates to anatomy
  • ancestor -  someone from whom you are descended (but usually more remote than a grandparent)
  • ancylidae -  freshwater gastropod
  • anemone -  any woodland plant of the genus Anemone grown for its beautiful flowers and whorls of dissected leaves; marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton
  • anesthesia -  loss of bodily sensation with or without loss of consciousness
  • anesthetic -  characterized by insensibility;  a drug that causes temporary loss of bodily sensations
  • anesthetist -  a specialist who administers an anesthetic to a patient before he is treated
  • aneurism -  a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall
  • aneurysm -  a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall
  • aneurysmal -  relating to or affected by an aneurysm
  • angelfish -  a butterfly fish of the genus Pomacanthus; sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do; deep-bodied disk-shaped food fish of warmer western Atlantic coastal waters
  • angiitis -  inflammation of a blood vessel or lymph duct
  • angiogram -  an X-ray representation of blood vessels made after the injection of a radiopaque substance
  • angiography -  roentgenographic examination of blood vessels after injection of a radiopaque contrast medium; produces an angiogram
  • angioplasty -  an operation to repair a damaged blood vessel or unblock a coronary artery
  • angiotensin -  any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
  • anguidae -  alligator lizards
  • anguillidae -  eels that live in fresh water as adults but return to the sea to spawn
  • anhidrosis -  failure of the sweat glands
  • anhydride -  a compound formed from one or more other compounds in a reaction resulting in removal of water
  • anhydrous -  without water; especially without water of crystallization
  • animalia -  taxonomic kingdom comprising all living or extinct animals
  • animate -  endowed with animal life as distinguished from plant life; belonging to the class of s that denote living beings; endowed with feeling and unstructured consciousness;  give new life or energy to; make lively; give lifelike qualities to; heighten or intensify
  • anionic -  of or relating to anions;  a class of synthetic detergents in which the molecules do not ionize in aqueous solutions
  • ankylosis -  abnormal adhesion and rigidity of the bones of a joint
  • annealing -  hardening something by heat treatment
  • annihilator -  a total destroyer
  • anniversary -  the date on which an event occurred in some previous year (or the celebration of it)
  • annonaceae -  chiefly tropical trees or shrubs
  • annular -  shaped like a ring
  • annulment -  (law) a formal termination (of a relationship or a judicial proceeding etc); the act of abrogating; an official or legal cancellation; the state of being cancelled or annulled
  • annulus -  (Fungi) remnant of the partial veil that in mature mushrooms surrounds the lower part of the stem; a toroidal shape
  • anomalously -  in an anomalous manner
  • anomaly -  (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun); a person who is unusual; deviation from the normal or common order or form or rule
  • anonymous -  having no known name or identity or known source; not known or lacking marked individuality
  • anoperineal -  relating to the anus and surrounding perineum
  • anorectal -  pertaining to the anus and rectum considered together
  • anorexia -  a prolonged disorder of eating due to loss of appetite
  • anorexic -  suffering from anorexia nervosa; pathologically thin;  a person suffering from anorexia nervosa
  • anorgasmia -  absence of an orgasm in sexual relations
  • another -  any of various alternatives; some other
  • antabuse -  a drug (trade name Antabuse) used in the treatment of alcoholism; causes nausea and vomiting if alcohol is ingested
  • antacid -  acting to neutralize acid (especially in the stomach);  an agent that counteracts or neutralizes acidity (especially in the stomach)
  • antagonist -  a drug that neutralizes or counteracts the effects of another drug; a muscle that relaxes while another contracts; someone who offers opposition
  • antakya -  a town in southern Turkey; ancient commercial center and capital of Syria; an early center of Christianity
  • antarctica -  an extremely cold continent at the south pole almost entirely below the Antarctic Circle; covered by an ice cap up to 13,000 feet deep
  • antecedent -  preceding in time or order;  the referent of an anaphor; a phrase or clause that is referred to by an anaphoric pro; a preceding occurrence or cause or event; anything that precedes something similar in time; someone from whom you are descended (but usually more remote than a grandparent)
  • antenatal -  occurring or existing before birth
  • antennariidae -  frogfishes; tropical spiny-finned marine fishes having large nearly vertical mouths; related to toadfishes and anglers
  • antepartum -  occurring or existing before birth
  • anterior -  earlier in time; of or near the head end or toward the front plane of the body;  a tooth situated at the front of the mouth
  • anteriorly -  in an anterior direction
  • anthelminthic -  capable of expelling or destroying parasitic worms;  a medication capable of causing the evacuation of parasitic intestinal worms
  • anthelmintic -  capable of expelling or destroying parasitic worms;  a medication capable of causing the evacuation of parasitic intestinal worms
  • anthrax -  a disease of humans that is not communicable; caused by infection with Bacillus anthracis followed by septicemia; a highly infectious animal disease (especially cattle and sheep); it can be transmitted to people
  • anthropometric -  of or relating to anthropometry
  • antiadrenergic -  relating to blocking or reducing adrenergic effects in the body
  • antiarrhythmic -  a drug used to treat an abnormal heart rhythm
  • antibacterial -  destroying bacteria or inhibiting their growth;  any drug that destroys bacteria or inhibits their growth
  • antibiotic -  of or relating to antibiotic drugs;  a chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections
  • antibody -  any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
  • anticipate -  be a forerunner of or occur earlier than; realize beforehand; be excited or anxious about; act in advance of; deal with ahead of time; regard something as probable or likely; make a prediction about; tell in advance
  • anticoagulant -  medicine that prevents or retards the clotting of blood
  • anticonvulsant -  a drug used to treat or prevent convulsions (as in epilepsy)
  • antidepressant -  any of a class of drugs used to treat depression; often have undesirable side effects
  • antidiabetic -  a drug used to treat diabetes mellitus
  • antidiarrheal -  a drug used to control or stop diarrhea
  • antidiuretic -  a drug that limits the formation of urine
  • antidote -  a remedy that stops or controls the effects of a poison
  • antiemetic -  a drug that prevents or alleviates nausea and vomiting
  • antiepileptic -  a drug used to treat or prevent convulsions (as in epilepsy)
  • antifouling -  (used of e.g. coatings) protecting against accumulation of barnacles etc on underwater surfaces
  • antifungal -  capable of destroying fungi;  any agent that destroys or prevents the growth of fungi
  • antigen -  any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
  • antiknock -  (of gasoline) containing tetraethyl lead;  any of various compounds that are added to gasoline to reduce engine knocking
  • antilles -  a group of islands in the West Indies
  • antimalarial -  a medicinal drug used to prevent or treat malaria
  • antimony -  a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
  • antineoplastic -  used in the treatment of cancer;  any of several drugs that control or kill neoplastic cells; used in chemotherapy to kill cancer cells; all have unpleasant side effects that may include nausea and vomiting and hair loss and suppression of bone marrow function
  • antioxidant -  substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides
  • antipersonnel -  designed to inflict death or personal injury rather than material destruction
  • antiprotozoal -  a medicinal drug used to fight diseases (like malaria) that are caused by protozoa
  • antipruritic -  a substance that relieves or prevents itching
  • antipyretic -  preventing or alleviating fever;  any medicine that lowers body temperature to prevent or alleviate fever
  • antisepsis -  the process of inhibiting the growth and multiplication of microorganisms; (of non-living objects) the state of being free of pathogenic organisms
  • antiserum -  blood serum containing antibodies against specific antigens; provides immunity to a disease
  • antisocial -  hostile to or disruptive of normal standards of social behavior; shunning contact with others
  • antispasmodic -  a drug used to relieve or prevent spasms (especially of the smooth muscles)
  • antithyroid -  having the effect of counteracting excessive thyroid activity
  • antitoxin -  an antibody that can neutralize a specific toxin
  • antitussive -  any medicine used to suppress or relieve coughing
  • antivenin -  an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal
  • antiviral -  inhibiting or stopping the growth and reproduction of viruses;  any drug that destroys viruses
  • anxiety -  a vague unpleasant emotion that is experienced in anticipation of some (usually ill-defined) misfortune; a relatively permanent state of anxiety occurring in a variety of mental disorders
  • anxiolytic -  anxiety relieving;  a tranquilizer used to relieve anxiety and reduce tension and irritability
  • anxious -  eagerly desirous; causing or fraught with or showing anxiety
  • anything -  a thing of any kind
  • anywhere -  at or in or to any place
  • apartment -  a suite of rooms usually on one floor of an apartment house
  • aperient -  mildly laxative;  a purging medicine; stimulates evacuation of the bowels
  • aperture -  an man-made opening; usually small; a device that controls amount of light admitted; a natural opening in something
  • aphakic -  of or relating to or afflicted with aphakia;  someone afflicted by aphakia; someone lacking the natural lenses of the eyes
  • aphasia -  inability to use or understand language (spoken or written) because of a brain lesion
  • apiaceae -  plants having flowers in umbels: parsley; carrot; anise; caraway; celery; dill
  • aplasia -  failure of some tissue or organ to develop
  • apocrine -  (of exocrine glands) producing a secretion in which part of the secreting cell is released with the secretion
  • apocynaceae -  chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs
  • apodidae -  swifts; in former classifications included in the order Coraciiformes
  • apodiformes -  swifts; hummingbirds
  • apoenzyme -  a protein that combines with a coenzyme to form an active enzyme
  • apogonidae -  bright-colored marine fishes that incubate eggs in the mouth
  • apoidea -  bees
  • apomorphine -  a morphine derivative that is not as strong as morphine; used as an emetic and in small doses as a sedative
  • apoplexy -  a sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain
  • apparatus -  equipment designed to serve a specific function; (anatomy) a group of body parts that work together to perform a given function
  • apparel -  clothing in general;  provide with clothes or put clothes on
  • apparent -  clearly revealed to the mind or the senses or judgment; appearing as such but not necessarily so
  • appearance -  the act of appearing in public view; pretending that something is the case in order to make a good impression; formal attendance (in court or at a hearing) of a party in an action; outward or visible aspect of a person or thing; a mental representation; the event of coming into sight
  • appearing -  formal attendance (in court or at a hearing) of a party in an action
  • appendage -  a part that is joined to something larger; a natural prolongation or projection from a part of an organism either animal or plant; an external body part that projects from the body
  • appendaged -  having an appendage
  • appendicitis -  inflammation of the vermiform appendix
  • appendix -  a vestigial process that extends from the lower end of the cecum and that resembles a small pouch; supplementary material that is collected and appended at the back of a book
  • appetite -  a feeling of craving something
  • appliance -  durable goods for home or office use; a device or control that is very useful for a particular job
  • applicable -  readily applicable or practical; capable of being applied; having relevance
  • applicant -  a person who requests or seeks something such as assistance or employment or admission
  • application -  a diligent effort; the work of applying something; the act of bringing something to bear; using it for a particular purpose; a al or written request for assistance or employment or admission to a school; a program that gives a computer instructions that provide the user with tools to accomplish a task; liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin
  • applicator -  a device for applying a substance
  • applied -  concerned with concrete problems or data rather than with fundamental principles; opposed to theoretical; put into practice or put to use; that are used
  • applier -  a device for applying a substance; a person who requests or seeks something such as assistance or employment or admission
  • appointment -  (law) the act of disposing of property by virtue of the power of appointment; the act of putting a person into a non-elective position; the job to which you are (or hope to be) appointed; (usually plural) furnishings and equipment (especially for a ship or hotel); a meeting arranged in advance; a person who is appointed to a job or position
  • apposition -  (biology) growth in the thickness of a cell wall by the deposit of successive layers of material; a grammatical relation between a word and a phrase that follows; the act of positioning close together (or side by side)
  • appraisal -  the classification of someone or something with respect to its worth; a document appraising the value of something (as for insurance or taxation)
  • apprentice -  works for an expert to learn a trade;  be or work as an apprentice
  • approach -  the act of drawing spatially closer to something; a relatively short golf shot intended to put the ball onto the putting green; ideas or actions intended to deal with a problem or situation; a close approximation; the temporal property of becoming nearer in time; the event of one object coming closer to another; a way of entering or leaving; a tentative suggestion designed to elicit the reactions of others; the final path followed by an aircraft as it is landing;  make advances to someone, usually with a proposal or suggestion; come near in time; move towards; begin to deal with; come near or verge on, resemble, come nearer in quality, or character
  • approaching -  of the relatively near future;  the act of drawing spatially closer to something; the temporal property of becoming nearer in time; the event of one object coming closer to another
  • appropriate -  suitable for a particular person or place or condition etc; suitable and fitting; meant or adapted for an occasion or use; being of striking appropriateness and pertinence; appropriate for achieving a particular end; implies a lack of concern for fairness;  take possession of by force, as after an invasion; give or assign a resource to a particular person or cause
  • appropriately -  in an appropriate manner
  • approved -  generally or especially officially judged acceptable or satisfactory; established by authority; given authoritative approval
  • apraxia -  inability to make purposeful movements
  • aquaphobia -  a morbid fear of drowning
  • aquifoliaceae -  widely distributed shrubs and trees
  • arachis -  a genus of plants with pods that ripen underground (see peanut)
  • araliaceae -  mostly tropical trees and shrubs and lianas: genera Panax and Hedera
  • arbovirus -  a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis
  • architectural -  of or pertaining to the art and science of architecture
  • archive -  a depository containing historical records and documents;  put into an archive
  • arctiidae -  tiger moths
  • arecaceae -  chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  • areolar -  relating to or like or divided into areolae
  • argemone -  any plant of the genus Argemone having large white or yellow flowers and prickly leaves and stems and pods; chiefly of tropical America
  • argentinian -  of or relating to or characteristic of Argentina or its people;  a native or inhabitant of Argentina
  • argentinidae -  small marine soft-finned fishes with long silvery bodies; related to salmons and trouts
  • ariidae -  sea catfishes
  • arithmetic -  relating to or involving arithmetic;  the branch of pure mathematics dealing with the theory of numerical calculations
  • arithmetical -  relating to or involving arithmetic
  • arlington -  a city in northern Texas between Dallas and Fort Worth
  • armstrong -  United States jazz trumpeter and bandleader (1900-1971); United States astronaut; the first man to set foot on the moon (July 20, 1969) (1930-)
  • aromatic -  having a strong pleasant odor; (chemistry) of or relating to or containing one or more benzene rings
  • arranged -  deliberately arranged for effect; planned in advance; disposed or placed in a particular kind of order
  • arrangement -  the act of arranging and adapting a piece of music; an organized structure for arranging or classifying; an orderly grouping (of things or persons) considered as a unit; the result of arranging; the spatial property of the way in which something is placed; the thing arranged or agreed to; a piece of music that has been adapted for performance by a particular set of voices or instruments
  • arrhythmia -  an abnormal rate of muscle contractions in the heart
  • arrhythmic -  without regard for rhythm; not having a steady rhythm
  • arrival -  accomplishment of an objective; the act of arriving at a certain place; someone who arrives (or has arrived)
  • arsenic -  a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar; a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
  • arsenical -  relating to or containing arsenic;  a pesticide or drug containing arsenic
  • arsenide -  a compound of arsenic with a more positive element
  • artemis -  (Greek mythology) the virgin goddess of the hunt and the moon; daughter of Leto and twin sister of Apollo; identified with Roman Diana
  • artemisia -  any of various composite shrubs or herbs of the genus Artemisia having aromatic green or greyish foliage
  • arterial -  of or involving or contained in the arteries
  • arteriogram -  an X ray of an artery filled with a contrast medium
  • arteriography -  roentgenographic examination of arteries
  • arteriole -  one of the small thin-walled arteries that end in capillaries
  • arteriovenous -  connecting an artery to a vein
  • arteritis -  inflammation of an artery
  • artesian -  (of water) rising to the surface under internal hydrostatic pressure
  • arthralgia -  pain in a joint or joints
  • arthritis -  inflammation of a joint or joints
  • arthrodesis -  the surgical fixation of a joint which is intended to result in bone fusion
  • arthrogram -  an X ray of a joint after the injection of a contrast medium
  • arthropathy -  a pathology or abnormality of a joint
  • arthropod -  invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
  • article -  one of a class of artifacts; nonfictional prose forming an independent part of a publication; (grammar) a determiner that may indicate the specificity of reference of a phrase; a separate section of a legal document (as a statute or contract or will);  bind by a contract; especially for a training period
  • articular -  relating to or affecting the joints of the body
  • articulate -  expressing yourself easily or characterized by clear expressive language; consisting of segments held together by joints;  express or state clearly; speak, proce, or utter in a certain way; put into words or an expression; provide with a joint
  • articulation -  the act of joining things in such a way that motion is possible; expressing in coherent al form; the aspect of pronunciation that involves bringing articulatory organs together so as to shape the sounds of speech; the shape or manner in which things come together and a connection is made; (anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)
  • artificer -  an enlisted man responsible for the upkeep of small arms and machine guns etc.; a skilled worker who practices some trade or handicraft; someone who is the first to think of or make something
  • artificial -  artificially formal; contrived by art rather than nature; not arising from natural growth or characterized by vital processes
  • artificially -  not according to nature; not by natural means
  • artiodactyla -  an order of hooved mammals of the subclass Eutheria (including pigs and peccaries and hippopotami and members of the suborder Ruminantia) having an even number of functional toes
  • artisan -  a skilled worker who practices some trade or handicraft
  • arytenoid -  either of two small cartilages at the back of the larynx to which the vocal folds are attached
  • asbestos -  a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer
  • ascariasis -  infestation of the human intestine with Ascaris roundworms
  • ascaris -  type genus of the family Ascaridae: roundworms with a three-lipped mouth
  • ascending -  moving or going or growing upward;  the act of changing location in an upward direction
  • ascitic -  of or relating to or resulting from an abnormal accumulation of protein and electrolyte rich fluid in the peritoneal cavity
  • ascomycota -  a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and Discomycetes; sac fungi; in some classification systems considered a division of the kingdom Fungi
  • aseptic -  free of or using methods to keep free of pathological microorganisms
  • asiatic -  of or relating to or characteristic of Asia or the peoples of Asia or their languages or culture;  a native or inhabitant of Asia
  • asparagine -  a crystalline amino acid found in proteins and in many plants (e.g., asparagus)
  • aspartame -  an artificial sweetener made from aspartic acid; used as a calorie-free sweetener
  • aspergillaceae -  family of fungi including some common molds
  • aspergillosis -  disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs; an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs; severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys
  • aspergillus -  genus of common molds causing food spoilage and some pathogenic to plants and animals
  • asphodel -  any of various chiefly Mediterranean plants of the genera Asphodeline and Asphodelus having linear leaves and racemes of white or pink or yellow flowers
  • asphyxia -  a condition in which insufficient or no oxygen and carbon dioxide are exchanged on a ventilatory basis; caused by choking or drowning or electric shock or poison gas
  • aspiration -  a will to succeed; a manner of articulation involving an audible release of breath; the act of inhaling; the drawing in of air (or other gases) as in breathing; a cherished desire
  • aspirator -  a pump that draws air or another gas through a liquid
  • aspirin -  the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer and Empirin) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets
  • assailant -  someone who attacks
  • assaultive -  disposed to attack
  • assembler -  a program to convert assembly language into machine language
  • assembling -  the act of gathering something together
  • assembly -  the social act of assembling; a group of machine parts that fit together to form a self-contained unit; a group of persons gathered together for a common purpose; the act of constructing something (as a piece of machinery); a public facility to meet for open discussion
  • assessable -  capable of being considered carefully; capable of being assessed especially for the purpose of taxation
  • assessment -  the market value set on assets; an amount determined as payable; the act of judging or assessing a person or situation or event; the classification of someone or something with respect to its worth
  • assignment -  the act of distributing something to designated places or persons; a duty that you are assigned to perform (especially in the armed forces); an undertaking that you have been assigned to do (as by an instructor); the instrument by which a claim or right or interest or property is transferred from one person to another; the act of putting a person into a non-elective position; (law) a transfer of property by deed of conveyance
  • assistance -  the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose; a resource
  • assistant -  of or relating to a person who is subordinate to another;  a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
  • assisted -  having help; often used as a combining form
  • assistive -  giving assistance
  • associate -  having partial rights and privileges or subordinate status;  any event that usually accompanies or is closely connected with another; a person who joins with others in some activity; a degree granted by a two-year college on successful completion of the undergraduates course of studies; a person who is frequently in the company of another;  make a logical or causal connection; bring or come into association or action; keep company with; hang out with
  • associated -  related to or accompanying; joined in some kind of relationship (as a colleague or ally or companion etc.)
  • association -  the act of consorting with or joining with others; the process of bringing ideas or events together in memory or imagination; (ecology) a group of organisms (plants and animals) that live together in a certain geographical region and constitute a community with a few dominant species; a formal organization of people or groups of people; (chemistry) any process of combination (especially in solution) that depends on relatively weak chemical bonding; a relation resulting from interaction or dependence; the state of being connected together as in memory or imagination; a social or business relationship
  • assuming -  excessively forward
  • assurance -  freedom from doubt; belief in yourself and your abilities; a statement intended to inspire confidence; a binding commitment to do or give or refrain from something; a British term for some kinds of insurance
  • assured -  marked by assurance; exhibiting confidence; characterized by certainty or security
  • astatic -  not static or stable
  • asteraceae -  plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
  • asthenopia -  a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem
  • asthmatic -  relating to breathing with a whistling sound;  a person suffering from asthma
  • astigmatic -  of or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images
  • astigmatism -  (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point; (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
  • astride -  with one leg on each side; with the legs stretched far apart
  • astringent -  tending to draw together or constrict soft organic tissue; sour or bitter in taste;  a drug that causes contraction of body tissues and canals
  • asymmetry -  (mathematics) a lack of symmetry
  • asymptomatic -  having no symptoms of illness or disease
  • asynchrony -  the relation that exists when things occur at unrelated times
  • asynclitism -  the presentation during labor of the head of the fetus at an abnormal angle
  • asynergy -  absence of coordination of organs or body parts that usually work together harmoniously
  • atelectasis -  collapse of an expanded lung (especially in infants); also failure of pulmonary alveoli to expand at birth
  • atenolol -  an oral beta blocker (trade name Tenormin) used in treating hypertension and angina; has adverse side effects (depression and exacerbation of congestive heart failure etc.)
  • atherinidae -  small spiny-finned fishes of both salt and fresh water
  • athinai -  the capital and largest city of Greece; named after Athena (its patron goddess)
  • athletics -  participation in sports events as an extracurricular activity; an active diversion requiring physical exertion and competition; a contest between athletes
  • atmosphere -  the mass of air surrounding the Earth; the envelope of gases surrounding any celestial body; the weather or climate at some place; a particular environment or surrounding influence; a distinctive but intangible quality surrounding a person or thing; a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
  • atmospheric -  relating to or located in the atmosphere
  • atorvastatin -  an oral drug (trade name Lipitor) that is effective in lowering triglycerides; potent in reducing LDL cholesterol because higher doses can be given
  • atresia -  an abnormal condition in which a normal opening or tube in the body (as the urethra) is closed or absent
  • atrophic -  relating to or characterized by atrophy
  • atrophied -  (of an organ or body part) diminished in size or strength as a result of disease or injury or lack of use
  • atrophy -  any weakening or degeneration (especially through lack of use); a decrease in size of an organ caused by disease or disuse;  undergo atrophy
  • atropine -  a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
  • atropos -  the Fate who cuts the thread of life; identified with Roman Morta
  • attached -  associated in an exclusive sexual relationship; used of buildings joined by common sidewalls; fastened together; permanently attached to a substrate; not free to move about; being joined in close association
  • attachment -  the act of attaching or affixing something; faithful support for a religion or cause or political party; a supplementary part or accessory; a connection that fastens things together; a writ authorizing the seizure of property that may be needed for the payment of a judgment in a judicial proceeding; a feeling of affection for a person or an institution; the act of fastening things together
  • attainable -  capable of being attained or accomplished
  • attainment -  arrival at a new stage; the act of achieving an aim; an ability that has been acquired by training
  • attempt -  earnest and conscientious activity intended to do or accomplish something; the act of attacking;  enter upon an activity or enterprise; make an effort or attempt
  • attendance -  the act of being present (at a meeting or event etc.); the number of people that are present; the frequency with which a person is present
  • attendant -  being present (at meeting or event etc.); following as a consequence;  a person who is present and participates in a meeting; someone who waits on or tends to or attends to the needs of another; an event or situation that happens at the same time as or in connection with another
  • attender -  a person who is present and participates in a meeting; someone who waits on or tends to or attends to the needs of another; someone who listens attentively
  • attention -  a courteous act indicating affection; a motionless erect stance with arms at the sides and feet together; assumed by military personnel during drill or review; the faculty or power of mental concentration; the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others; a general interest that leads people to want to know more; the work of providing treatment for or attending to someone or something
  • attentional -  of or relating to attention
  • attenuation -  the property of something that has been weakened or reduced in thickness or density; weakening in force or intensity
  • attitude -  a theatrical pose created for effect; a complex mental state involving beliefs and feelings and values and dispositions to act in certain ways; position of aircraft or spacecraft relative to a frame of reference (the horizon or direction of motion); the arrangement of the body and its limbs
  • attorney -  a professional person authorized to practice law; conducts lawsuits or gives legal advice
  • attraction -  the quality of arousing interest; being attractive or something that attracts; a characteristic that provides pleasure and attracts; an entertainment that is offered to the public; the force by which one object attracts another; an entertainer who attracts large audiences
  • attributable -  capable of being attributed
  • attribute -  an abstraction belonging to or characteristic of an entity; a construct whereby objects or individuals can be distinguished;  attribute or credit to; decide as to where something belongs in a scheme
  • attrition -  the act of rubbing together; wearing something down by friction; a wearing down to weaken or destroy; sorrow for sin arising from fear of damnation; the wearing down of rock particles by friction due to water or wind or ice; erosion by friction
  • atypical -  deviating from normal expectations; somewhat odd, strange, or abnormal; not representative of a group, class, or type
  • auckland -  the largest city and principal port of New Zealand
  • audible -  heard or perceptible by the ear;  a football play is changed orally after both teams have assumed their positions at the line of scrimmage
  • audiology -  the measurement of hearing
  • audiometry -  measuring sensitivity of hearing; the measurement of hearing
  • auditory -  of or relating to the process of hearing
  • augmentation -  the act of augmenting; the statement of a theme in notes of greater duration (usually twice the length of the original); the amount by which something increases
  • augmentative -  intensifying by augmentation and enhancement; increasing or having the power to increase especially in size or amount or degree
  • augusta -  a city in eastern Georgia north-northwest of Savannah; noted for golf tournaments; the capital of the state of Maine
  • augustine -  (Roman Catholic Church) one of the great fathers of the early Christian church; after a dramatic conversion to Christianity he became bishop of Hippo Regius in North Africa; St. Augustine emphasized man's need for grace (354-430)
  • aulostomidae -  trumpetfishes
  • auricle -  the externally visible cartilaginous structure of the external ear; a small conical pouch projecting from the upper anterior part of each atrium of the heart
  • auricular -  pertaining to an auricle of the heart; relating to or perceived by or shaped like the organ of hearing; of or relating to near the ear
  • auricularia -  type genus of the Auriculariaceae
  • authorities -  the organization that is the governing authority of a political unit
  • authority -  official permission or approval; the power or right to give orders or make decisions; an authoritative written work; an expert whose views are taken as definitive; (usually plural) persons who exercise (administrative) control over others; freedom from doubt; belief in yourself and your abilities; an administrative unit of government
  • authorization -  the act of conferring legality or sanction or formal warrant; official permission or approval; the power or right to give orders or make decisions; a document giving an official instruction or command
  • autistic -  characteristic of or affected with autism
  • autoantibody -  an antibody acting against tissues of the organism that produces it
  • autoclave -  a device for heating substances above their boiling point; used to manufacture chemicals or to sterilize surgical instruments;  subject to the action of an autoclave
  • autogenic -  originating within the body
  • autogenous -  originating within the body
  • autograft -  tissue that is taken from one site and grafted to another site on the same person
  • autoimmune -  of or relating to the immune response of the body against substance normally present in the body
  • autoimmunity -  production of antibodies against the tissues of your own body; produces autoimmune disease or hypersensitivity reactions
  • autologous -  derived from organisms of the selfsame individual
  • automated -  operated by automation
  • automatic -  operating with minimal human intervention; independent of external control; like the unthinking functioning of a machine; without volition or conscious control;  a pistol that will keep firing until the ammunition is gone or the trigger is released; light machine gun
  • automatism -  any reaction that occurs automatically without conscious thought or reflection (especially the undirected behavior seen in psychomotor epilepsy)
  • automobile -  a motor vehicle with four wheels; usually propelled by an internal combustion engine;  travel in an automobile
  • autonomic -  relating to or controlled by the autonomic nervous system
  • autonomy -  immunity from arbitrary exercise of authority: political independence; personal independence
  • autopsy -  an examination and dissection of a dead body to determine cause of death or the changes produced by disease;  perform an autopsy on a dead body; do a post-mortem
  • autosomal -  of or relating to an autosome
  • autosome -  any chromosome that is not a sex chromosome; appear in pairs in body cells but as single chromosomes in spermatozoa
  • autumnal -  of or characteristic of or occurring in autumn; characteristic of late maturity verging on decline
  • auxiliary -  functioning in a subsidiary or supporting capacity; furnishing added support;  someone who acts as assistant
  • availability -  the quality of being at hand when needed
  • available -  obtainable or accessible and ready for use or service; convenient for use or disposal; not busy; not otherwise committed
  • avalanche -  a sudden appearance of an overwhelming number of things; a slide of large masses of snow and ice and mud down a mountain;  gather into a huge mass and roll down a mountain, of snow
  • average -  lacking special distinction, rank, or status; commonly encountered; around the middle of a scale of evaluation of physical measures; approximating the statistical norm or average or expected value; lacking exceptional quality or ability; relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values); relating to or constituting the most frequent value in a distribution;  a statistic describing the location of a distribution;  compute the average of; achieve or reach on average; amount to or come to an average, without loss or gain
  • aversion -  the act of turning yourself (or your gaze) away; a feeling of intense dislike
  • avicenna -  Arabian physician and influential Islamic philosopher; his interpretation of Aristotle influenced St. Thomas Aquinas; writings on medicine were important for almost 500 years (980-1037)
  • avidity -  a positive feeling of wanting to push ahead with something
  • avirulent -  not virulent; unable to produce disease
  • avoidable -  capable of being avoided or warded off
  • avoidance -  deliberately avoiding; keeping away from or preventing from happening
  • avulsion -  a forcible tearing or surgical separation of one body part from another; an abrupt change in the course of a stream that forms the boundary between two parcels of land resulting in the loss of part of the land of one landowner and a consequent increase in the land of another
  • awaited -  expected hopefully
  • awareness -  having knowledge of; state of elementary or undifferentiated consciousness
  • axillary -  of or relating to the armpit; of or relating to the axil
  • azathioprine -  an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ
  • azedarach -  tree of northern India and China having purple blossoms and small inedible yellow fruits; naturalized in the southern United States as a shade tree
  • aztecan -  the Uto-Aztecan language spoken by the Aztec
  • aztreonam -  an antibiotic (trade name Azactam) used against severe infections; has minimal side effects
Glossary of internal medicine
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