Medical terms J-N

From WikiMD

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# - K

  • K - noun street names for ketamine the 11th letter of the Roman alphabet a unit of information equal to one thousand (1024) bytes the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
  • potassium - noun a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
  • Kala-azar - noun leishmaniasis of the viscera
  • Kalemia - noun the presence of excess potassium in the circulating blood
  • Karyokinesis - noun organic process consisting of the division of the nucleus of a cell during mitosis or meiosis
  • Karyotype - noun the appearance of the chromosomal makeup of a somatic cell in an individual or species (including the number and arrangement and size and structure of the chromosomes)
  • flow - noun the act of flowing or streaming; continuous progression the motion characteristic of fluids (liquids or gases) any uninterrupted stream or discharge the amount of fluid that flows in a given time dominant course (suggestive of running water) of successive events or ideas the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause something that resembles a flowing stream in moving continuously verb cover or swamp with water move or progress freely as if in a stream cause to flow be abundantly present undergo menstruation fall or flow in a certain way move along, of liquids
  • Kawasaki disease - noun an acute disease of young children characterized by a rash and swollen lymph nodes and fever; of unknown cause
  • Kegel exercises - noun exercises for women designed to improve the ability to hold urine
  • Keloid - noun raised pinkish scar tissue at the site of an injury; results from excessive tissue repair
  • Keratin - noun a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves
  • Keratitis - noun inflammation of the cornea causing watery painful eyes and blurred vision
  • Keratitis - noun inflammation of the cornea causing watery painful eyes and blurred vision
  • Keratitis - noun inflammation of the cornea causing watery painful eyes and blurred vision
  • rosacea - noun a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance
  • Keratitis - noun inflammation of the cornea causing watery painful eyes and blurred vision
  • vaccinia - noun a local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
  • Keratoconus - noun abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia
  • Keratoplasty - noun a surgical procedure in which part or all of a damaged or diseased cornea is replaced by healthy corneal tissue from a donor
  • Keratosis - noun a skin condition marked by an overgrowth of layers of horny skin
  • Keratosis follicularis - noun a rare hereditary condition marked by dark crusted patches (sometimes containing pus)
  • Keratosis pilaris - noun keratosis characterized by hard conical elevations in the openings of sebaceous glands (especially of arms and thighs)
  • Keratosis - noun a skin condition marked by an overgrowth of layers of horny skin
  • actinic - adj. relating to or exhibiting actinism
  • Keratosis - noun a skin condition marked by an overgrowth of layers of horny skin
  • Keratosis - noun a skin condition marked by an overgrowth of layers of horny skin
  • senile - adj. mentally or physically infirm with age
  • Keratosis - noun a skin condition marked by an overgrowth of layers of horny skin
  • solar - adj. relating to or derived from the sun or utilizing the energies of the sun
  • Keratotomy - noun surgical incision into the cornea
  • Keratotomy - noun surgical incision into the cornea
  • radial - adj. arranged like rays or radii; radiating from a common center issuing in rays from a common center; relating to rays of light relating to or moving along or having the direction of a radius relating to or near the radius noun pneumatic tire that has radial-ply casing
  • Kernicterus - noun an abnormal accumulation of bile pigment in the brain and other nerve tissue; causes yellow staining and tissue damage
  • Ketoacidosis - noun acidosis with an accumulation of ketone bodies; occurs primarily in diabetes mellitus
  • Ketone - noun any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals
  • Ketone body - noun a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders
  • Ketonuria - noun excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation
  • Khat - noun the leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant
  • Kidney - noun either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine
  • cystine - noun a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones
  • Kilocalorie - noun a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food
  • Kindred - adj. related by blood or marriage similar or related in quality or character noun group of people related by blood or marriage
  • Kinetic - adj. characterized by motion relating to the motion of material bodies and the forces associated therewith supplying motive force
  • Kinetics - noun the branch of mechanics concerned with the forces that cause motions of bodies
  • King's evil - noun a form of tuberculosis characterized by swellings of the lymphatic glands
  • Kinship - noun (anthropology) relatedness or connection by blood or marriage or adoption a close connection marked by community of interests or similarity in nature or character
  • Kiss - noun a light glancing touch the act of caressing with the lips (or an instance thereof) any of several bite-sized candies a cookie made of egg whites and sugar verb touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc. touch lightly or gently
  • Kissing disease - noun an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing
  • Kit - noun young of any of various fur-bearing animals gear consisting of a set of articles or tools for a specified purpose a case for containing a set of articles verb supply with a set of articles or tools
  • Kit - noun young of any of various fur-bearing animals gear consisting of a set of articles or tools for a specified purpose a case for containing a set of articles verb supply with a set of articles or tools
  • Klebsiella - noun a genus of nonmotile rod-shaped Gram-negative enterobacteria; some cause respiratory and other infections
  • Klinefelter syndrome - noun syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male
  • Knee - noun the part of a trouser leg that provides the cloth covering for the knee hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella joint between the femur and tibia in a quadruped; corresponds to the human knee
  • Knee jerk - noun a reflex extension of the leg resulting from a sharp tap on the patellar tendon
  • Knee joint - noun hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella
  • Knee - noun the part of a trouser leg that provides the cloth covering for the knee hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella joint between the femur and tibia in a quadruped; corresponds to the human knee
  • artificial - adj. artificially formal contrived by art rather than nature not arising from natural growth or characterized by vital processes
  • Knee - noun the part of a trouser leg that provides the cloth covering for the knee hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella joint between the femur and tibia in a quadruped; corresponds to the human knee
  • Knee - noun the part of a trouser leg that provides the cloth covering for the knee hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella joint between the femur and tibia in a quadruped; corresponds to the human knee
  • Knee - noun the part of a trouser leg that provides the cloth covering for the knee hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella joint between the femur and tibia in a quadruped; corresponds to the human knee
  • Knee jerk - noun a reflex extension of the leg resulting from a sharp tap on the patellar tendon
  • Kneecap - noun a small flat triangular bone in front of the knee that protects the knee joint verb shoot in the kneecap, often done by terrorist groups as a warning
  • Knockout - adj. very strong or vigorous noun a blow that renders the opponent unconscious a very attractive or seductive looking woman
  • Knuckle - noun a joint of a finger when the fist is closed verb shoot a marble while keeping one's knuckles on the ground press or rub with the knuckles
  • Koplik's spots - noun small red spots with white centers found on the mucous membranes of the mouth and tongue; symptom of measles that appears one or two days before the measles rash appears
  • Kuru - noun 100 kurus equal 1 lira in Turkey a progressive disease of the central nervous system marked by increasing lack of coordination and advancing to paralysis and death within a year of the appearance of symptoms; thought to have been transmitted by cannibalistic consumption of diseased brain tissue since the disease virtually disappeared when cannibalism was abandoned
  • Kwashiorkor - noun severe malnutrition in children resulting from a diet excessively high in carbohydrates and low in protein
  • Kyphosis - noun an abnormal backward curve to the vertebral column
  • Kyphosis - noun an abnormal backward curve to the vertebral column
  • John - noun the last of the four Gospels in the New Testament (New Testament) disciple of Jesus; traditionally said to be the author of the 4th Gospel and three epistles and the book of Revelation youngest son of Henry II; King of England from 1199 to 1216; succeeded to the throne on the death of his brother Richard I; lost his French possessions; in 1215 John was compelled by the barons to sign the Magna Carta (1167-1216) a room or building equipped with one or more toilets a prostitute's customer

Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

L

  • Lab - noun a workplace for the conduct of scientific research
  • oral - adj. a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression of or involving the mouth or mouth region or the surface on which the mouth is located using speech rather than writing of or relating to or affecting or for use in the mouth noun an examination conducted by word of mouth
  • vaginal - adj. of or relating to the vagina
  • Labial - adj. relating to or near the female labium of or relating to the lips of the mouth noun a consonant whose articulation involves movement of the lips
  • Labile - adj. open to change; liable to change (chemistry, physics, biology) readily undergoing change or breakdown
  • Labium - noun any of the four lip-shaped folds of the female vulva
  • Labor - noun productive work (especially physical work done for wages) a social class comprising those who do manual labor or work for wages any piece of work that is undertaken or attempted the federal department responsible for promoting the working conditions of wage earners in the United States; created in 1913 a political party formed in Great Britain in 1900; characterized by the promotion of labor's interests and the socialization of key industries an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement concluding state of pregnancy; from the onset of labor to the birth of a child verb undergo the efforts of childbirth work hard strive and make an effort to reach a goal
  • Labor - noun productive work (especially physical work done for wages) a social class comprising those who do manual labor or work for wages any piece of work that is undertaken or attempted the federal department responsible for promoting the working conditions of wage earners in the United States; created in 1913 a political party formed in Great Britain in 1900; characterized by the promotion of labor's interests and the socialization of key industries an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement concluding state of pregnancy; from the onset of labor to the birth of a child verb undergo the efforts of childbirth work hard strive and make an effort to reach a goal
  • false - adj. (used especially of persons) not dependable in devotion or affection; unfaithful arising from error inaccurate in pitch designed to deceive deliberately deceptive not in accordance with the fact or reality or actuality erroneous and usually accidental adopted in order to deceive not genuine or real; being an imitation of the genuine article inappropriate to reality or facts adv. in a disloyal and faithless manner
  • Laboratory - noun a workplace for the conduct of scientific research a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation
  • Laboratory - noun a workplace for the conduct of scientific research a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation
  • Jackson - noun a town in south central Michigan capital of the state of Mississippi on the Pearl River a town in western Tennessee a town in western Wyoming 7th president of the US; successfully defended New Orleans from the British in 1815; expanded the power of the presidency (1767-1845) general in the Confederate Army during the American Civil War whose troops at the first Battle of Bull Run stood like a stone wall (1824-1863) United States writer of romantic novels about the unjust treatment of Native Americans (1830-1885) United States civil rights leader who led a national campaign against racial discrimination and ran for presidential nomination (born in 1941) United States singer who did much to popularize gospel music (1911-1972) United States singer who began singing with his four brothers and later became a highly successful star during the 1980s (born in 1958) English film actress who later became a member of British Parliament (born in 1936)
  • Labrocyte - noun a large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammation
  • Labyrinth - noun complex system of paths or tunnels in which it is easy to get lost a complex system of interconnecting cavities; concerned with hearing and equilibrium
  • Labyrinthitis - noun inflammation of the inner ear; can cause vertigo and vomiting
  • Laceration - noun the act of lacerating a torn ragged wound
  • Lacrimal - adj. relating to or located near the organ that produces tears of or relating to tears
  • Lacrimal gland - noun any of the glands in the eyes that secrete tears
  • Lactase - noun any of a group of enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactose
  • Lactase deficiency - noun congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in an inability to hydrolyze lactose
  • Lactation - noun the production and secretion of milk by the mammary glands the period following birth during which milk is secreted feeding an infant by giving suck at the breast
  • Lactobacillus - noun Gram-positive rod-shaped bacteria that produce lactic acid especially in milk
  • Lactose - noun a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk
  • Lactose intolerance - noun congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in an inability to hydrolyze lactose
  • Lacuna - noun a blank gap or missing part an ornamental sunken panel in a ceiling or dome
  • LAM - noun a rapid escape (as by criminals) verb give a thrashing to; beat hard flee; take to one's heels; cut and run
  • Lamarckism - noun a theory of organic evolution claiming that acquired characteristics are transmitted to offspring
  • Lamella - noun thin plate a thin membrane that is one of the calcified layers that form bones any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus
  • C - noun the 3rd letter of the Roman alphabet (music) the keynote of the scale of C major a general-purpose programing language closely associated with the UNIX operating system street names for cocaine a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second a degree on the centigrade scale of temperature an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds a base found in DNA and RNA and derived from pyrimidine; pairs with guanine one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
  • Lamina - noun a thin plate or layer (especially of bone or mineral)
  • Laminaria - noun type genus of the family Laminariaceae: perennial brown kelps
  • Laminectomy - noun surgical removal of the bony arches on one or more vertebrae
  • Lancet - noun a surgical knife with a pointed double-edged blade; used for punctures and small incisions an acutely pointed Gothic arch, like a lance
  • Lancet - noun a surgical knife with a pointed double-edged blade; used for punctures and small incisions an acutely pointed Gothic arch, like a lance
  • Lanugo - noun the fine downy hair covering a human fetus; normally shed during the ninth month of gestation
  • Laparoscope - noun a slender endoscope inserted through an incision in the abdominal wall in order to examine the abdominal organs or to perform minor surgery
  • Laparoscopic cholecystectomy - noun removal of the gall bladder through small punctures in the abdomen to permit the insertion of a laparoscope and surgical instruments
  • Laparoscopy - noun laparotomy performed with a laparoscope that makes a small incision to examine the abdominal cavity (especially the ovaries and Fallopian tubes)
  • Laparotomy - noun surgical incision into the abdominal wall; often done to examine abdominal organs
  • Large intestine - noun beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces
  • Laryngeal - adj. of or relating to or situated in the larynx
  • juvenile - adj. of or relating to or characteristic of or appropriate for children or young people displaying or suggesting a lack of maturity noun a youthful person
  • Laryngectomy - noun surgical removal of part or all of the larynx (usually to treat cancer of the larynx)
  • Laryngectomy - noun surgical removal of part or all of the larynx (usually to treat cancer of the larynx)
  • partial - adj. being or affecting only a part; not total showing favoritism (followed by `of' or `to') having a strong preference or liking for noun a harmonic with a frequency that is a multiple of the fundamental frequency the derivative of a function of two or more variables with respect to a single variable while the other variables are considered to be constant
  • Laryngectomy - noun surgical removal of part or all of the larynx (usually to treat cancer of the larynx)
  • total - adj. constituting the full quantity or extent; complete complete in extent or degree and in every particular without conditions or limitations including everything noun the whole amount a quantity obtained by the addition of a group of numbers verb damage beyond the point of repair determine the sum of add up in number or quantity
  • Laryngitis - noun inflammation of the mucous membrane of the larynx; characterized by hoarseness or loss of voice and coughing
  • Laryngitis - noun inflammation of the mucous membrane of the larynx; characterized by hoarseness or loss of voice and coughing
  • reflux - noun an abnormal backward flow of body fluids the outward flow of the tide
  • Laryngoscope - noun a medical instrument for examining the larynx
  • Larynx - noun a cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech
  • Laser - noun an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
  • Laser - noun an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
  • argon - noun a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
  • Laser - noun an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
  • Lassa fever - noun an acute contagious viral disease of central western Africa; characterized by fever and inflammation and muscular pains and difficulty swallowing; can be used as a bioweapon
  • Lassa virus - noun the RNA virus that causes Lassa fever
  • Lassitude - noun weakness characterized by a lack of vitality or energy a feeling of lack of interest or energy a state of comatose torpor (as found in sleeping sickness)
  • LATE - adj. having died recently being or occurring at an advanced period of time or after a usual or expected time at or toward an end or late period or stage of development of a later stage in the development of a language or literature; used especially of dead languages of the immediate past or just previous to the present time (used especially of persons) of the immediate past after the expected or usual time; delayed adv. later than usual or than expected at an advanced age or stage in the recent past to an advanced time
  • Latent - adj. not presently active potentially existing but not presently evident or realized
  • Lateral - adj. lying away from the median and sagittal plane of a body situated at or extending to the side noun a pass to a receiver upfield from the passer
  • Lateral epicondylitis - noun painful inflammation of the tendon at the outer border of the elbow resulting from overuse of lower arm muscles (as in twisting of the hand)
  • Lateral ventricle - noun either of two horseshoe-shaped ventricles one in each cerebral hemisphere; they communicate with the third ventricle via the foramen of Monro
  • Laughing gas - noun inhalation anesthetic used as an anesthetic in dentistry and surgery
  • Lavage - noun washing out a hollow organ (especially the stomach) by flushing with water
  • Law - noun the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society a generalization that describes recurring facts or events in nature legal document setting forth rules governing a particular kind of activity the collection of rules imposed by authority the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do the force of policemen and officers
  • Laxative - adj. stimulating evacuation of feces noun a mild cathartic
  • Laying on of hands - noun laying hands on a person's head to invoke spiritual blessing in Christian ordination the application of a faith healer's hands to the patient's body
  • pneumatic - adj. of or relating to or using air (or a similar gas)
  • lb - noun 16 ounces
  • LDL - noun a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis
  • LDL cholesterol - noun the cholesterol in low-density lipoproteins; the `bad' cholesterol; a high level in the blood is thought to be related to various pathogenic conditions
  • Lead poisoning - noun toxic condition produced by the absorption of excessive lead into the system
  • Leaded - adj. (of panes of glass) fixed in place by means of thin strips of lead treated or mixed with lead having thin strips of lead between the lines of type
  • Leaded gasoline - noun gasoline treated with a lead compound to reduce motor knocks
  • Learning disability - noun a disorder found in children of normal intelligence who have difficulties in learning specific skills
  • Lectin - noun any of several plant glycoproteins that act like specific antibodies but are not antibodies in that they are not evoked by an antigenic stimulus
  • Leech - noun carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end a follower who hangs around a host (without benefit to the host) in hope of gain or advantage verb draw blood
  • Left atrium - noun the left upper chamber of the heart that receives blood from the pulmonary veins
  • Left ventricle - noun the chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta
  • Left-handed - adj. ironically ambiguous (of marriages) illicit or informal using or intended for the left hand lacking physical movement skills, especially with the hands rotating to the left (of marriages) of a marriage between one of royal or noble birth and one of lower rank; valid but with the understanding that the rank of the inferior remains unchanged and offspring do not succeed to titles or property of the superior
  • Leg - noun (nautical) the distance traveled by a sailing vessel on a single tack a cloth covering consisting of the part of a pair of trousers that covers a person's leg one of the supports for a piece of furniture a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle a structure in animals that is similar to a human leg and used for locomotion the limb of an animal used for food a section or portion of a journey or course a prosthesis that replaces a missing leg a part of a forked or branching shape
  • Leg - noun (nautical) the distance traveled by a sailing vessel on a single tack a cloth covering consisting of the part of a pair of trousers that covers a person's leg one of the supports for a piece of furniture a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle a structure in animals that is similar to a human leg and used for locomotion the limb of an animal used for food a section or portion of a journey or course a prosthesis that replaces a missing leg a part of a forked or branching shape
  • Leg - noun (nautical) the distance traveled by a sailing vessel on a single tack a cloth covering consisting of the part of a pair of trousers that covers a person's leg one of the supports for a piece of furniture a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle a structure in animals that is similar to a human leg and used for locomotion the limb of an animal used for food a section or portion of a journey or course a prosthesis that replaces a missing leg a part of a forked or branching shape
  • lower - noun the lower of two berths verb set lower cause to drop or sink move something or somebody to a lower position look angry or sullen, wrinkle one's forehead, as if to signal disapproval make lower or quieter
  • Leg - noun (nautical) the distance traveled by a sailing vessel on a single tack a cloth covering consisting of the part of a pair of trousers that covers a person's leg one of the supports for a piece of furniture a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle a structure in animals that is similar to a human leg and used for locomotion the limb of an animal used for food a section or portion of a journey or course a prosthesis that replaces a missing leg a part of a forked or branching shape
  • upper - adj. higher in place or position superior in rank or accomplishment the topmost one of two noun piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression the higher of two berths
  • Legionella - noun the motile aerobic rod-shaped Gram-negative bacterium that thrives in central heating and air conditioning systems and can cause Legionnaires' disease
  • Leiomyoma - noun benign tumor of smooth muscle (usually in the uterus or digestive tract)
  • Leiomyosarcoma - noun sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate
  • Leishmania - noun flagellate protozoan that causes leishmaniasis
  • Leishmaniasis - noun sores resulting from a tropical infection by protozoa of the genus Leishmania which are spread by sandflies
  • Leishmaniasis - noun sores resulting from a tropical infection by protozoa of the genus Leishmania which are spread by sandflies
  • visceral - adj. relating to or affecting the viscera obtained through intuition rather than from reasoning or observation
  • Lenin - noun Russian founder of the Bolsheviks and leader of the Russian Revolution and first head of the USSR (1870-1924)
  • Lens - noun a transparent optical device used to converge or diverge transmitted light and to form images electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina (metaphor) a channel through which something can be seen or understood genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
  • Lens - noun a transparent optical device used to converge or diverge transmitted light and to form images electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina (metaphor) a channel through which something can be seen or understood genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
  • Lens - noun a transparent optical device used to converge or diverge transmitted light and to form images electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina (metaphor) a channel through which something can be seen or understood genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
  • objective - adj. belonging to immediate experience of actual things or events undistorted by emotion or personal bias; based on observable phenomena emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes nounthe lens or system of lenses in a telescope or microscope that is nearest the object being viewed the goal intended to be attained (and which is believed to be attainable)
  • Lens - noun a transparent optical device used to converge or diverge transmitted light and to form images electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina (metaphor) a channel through which something can be seen or understood genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
  • ocular - adj. able to be seen relating to or using sight of or relating to or resembling the eye noun combination of lenses at the viewing end of optical instruments
  • Lentigo - noun a small brownish spot (of the pigment melanin) on the skin
  • Lentigo - noun a small brownish spot (of the pigment melanin) on the skin
  • senile - adj. mentally or physically infirm with age
  • Leonardo da Vinci - noun Italian painter and sculptor and engineer and scientist and architect; the most versatile genius of the Italian Renaissance (1452-1519)
  • Leper - noun a pariah who is avoided by others a person afflicted with leprosy
  • Leprosy - noun chronic granulomatous communicable disease occurring in tropical and subtropical regions; characterized by inflamed nodules beneath the skin and wasting of body parts; caused by the bacillus Mycobacterium leprae
  • Leptomeninges - noun the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers
  • Leptospirosis - noun an infectious disease cause by leptospira and transmitted to humans from domestic animals; characterized by jaundice and fever
  • Lesbian - adj. of female homosexuality noun a resident of Lesbos a female homosexual
  • Lesion - noun any visible abnormal structural change in a bodily part any break in the skin or an organ caused by violence or surgical incision
  • Lethal - adj. of an instrument of certain death
  • Lethal gene - noun any gene that has an effect that causes the death of the organism at any stage of life
  • zygotic - adj. of or relating to a zygote
  • Lethargy - noun a state of comatose torpor (as found in sleeping sickness) inactivity; showing an unusual lack of energy weakness characterized by a lack of vitality or energy
  • Leu - noun the basic unit of money in Romania the basic unit of money in Moldova
  • Leucine - noun a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • refractory - adj. temporarily unresponsive or not fully responsive to nervous or sexual stimuli not responding to treatment stubbornly resistant to authority or control noun lining consisting of material with a high melting point; used to line the inside walls of a furnace
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • smoldering - adj. showing scarcely suppressed anger
  • Leukemia - noun malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • t - noun the 20th letter of the Roman alphabet hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer a unit of information equal to a trillion (1,099,511,627,776) bytes or 1024 gigabytes a unit of weight equivalent to 1000 kilograms one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine
  • Leukocyte - noun blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
  • granular - adj. having a granular structure like that of chondrites composed of or covered with particles resembling meal in texture or consistency
  • Leukocyte - noun blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
  • Leukocytosis - noun an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia)
  • Leukopenia - noun an abnormal lowering of the white blood cell count
  • Levite - noun a member of the Hebrew tribe of Levi (especially the branch that provided male assistants to the temple priests)
  • Lewis - noun English critic and novelist; author of theological works and of books for children (1898-1963) United States novelist who satirized middle-class America in his novel Main Street (1885-1951) United States labor leader who was president of the United Mine Workers of America from 1920 to 1960 and president of the Congress of Industrial Organizations from 1935 to 1940 (1880-1969) United States explorer and soldier who lead led an expedition from St. Louis to the mouth of the Columbia River (1774-1809) United States athlete who won gold medals at the Olympics for his skill in sprinting and jumping (born in 1961) United States rock star singer and pianist (born in 1935)
  • LGV - noun infectious disease caused by a species of chlamydia bacterium; transmitted by sexual contact; characterized by genital lesions and swelling of lymph nodes in the groin
  • Libido - noun (psychoanalysis) a Freudian term for sexual urge or desire
  • Library - noun a depository built to contain books and other materials for reading and study a room where books are kept a building that houses a collection of books and other materials (computing) a collection of standard programs and subroutines that are stored and available for immediate use a collection of literary documents or records kept for reference or borrowing
  • National - adj. concerned with or applicable to or belonging to an entire nation or country limited to or in the interests of a particular nation owned or maintained for the public by the national government of or relating to or belonging to a nation or country of or relating to nationality characteristic of or peculiar to the people of a nation inside the country noun a person who owes allegiance to that nation
  • Library - noun a depository built to contain books and other materials for reading and study a room where books are kept a building that houses a collection of books and other materials (computing) a collection of standard programs and subroutines that are stored and available for immediate use a collection of literary documents or records kept for reference or borrowing
  • arrayed - adj. in ceremonial attire and paraphernalia
  • Library - noun a depository built to contain books and other materials for reading and study a room where books are kept a building that houses a collection of books and other materials (computing) a collection of standard programs and subroutines that are stored and available for immediate use a collection of literary documents or records kept for reference or borrowing
  • cDNA - noun single-stranded DNA that is complementary to messenger RNA or DNA that has been synthesized from messenger RNA by reverse transcriptase
  • Library - noun a depository built to contain books and other materials for reading and study a room where books are kept a building that houses a collection of books and other materials (computing) a collection of standard programs and subroutines that are stored and available for immediate use a collection of literary documents or records kept for reference or borrowing
  • head - noun a single domestic animal a projection out from one end (nautical) a toilet on board a boat or ship the striking part of a tool (usually plural) the obverse side of a coin that usually bears the representation of a person's head that part of a skeletal muscle that is away from the bone that it moves the upper part of the human body or the front part of the body in animals; contains the face and brains the rounded end of a bone that bits into a rounded cavity in another bone to form a joint (grammar) the word in a grammatical constituent that plays the same grammatical role as the whole constituent the front of a military formation or procession the top of something the foam or froth that accumulates at the top when you pour an effervescent liquid into a container a rounded compact mass a user of (usually soft) drugs a person who is in charge an individual person the pressure exerted by a fluid the length or height based on the size of a human or animal head the tip of an abscess (where the pus accumulates) oral stimulation of the genitals a membrane that is stretched taut over a drum (computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk that which is responsible for one's thoughts and feelings; the seat of the faculty of reason a line of text serving to indicate what the passage below it is about the subject matter at issue a V-shaped mark at one end of an arrow pointer forward movement a difficult juncture the source of water from which a stream arises the part in the front or nearest the viewer a natural elevation (especially a rocky one that juts out into the sea) the educator who has executive authority for a school a dense clusters of flowers or foliage verb remove the head of to go or travel towards be in charge of form a head or come or grow to a head be in the front of or on top of be the first or leading member of (a group) and excel take its rise direct the course; determine the direction of travelling travel in front of; go in advance of others
  • pubic - adj. relating or near the pubis
  • Lichen planus - noun an eruption of shiny flat-topped purplish (usually itchy) papules on the wrist and forearms and thighs
  • Life-support - adj. of or pertaining to equipment or methods used to sustain life
  • Life-support - adj. of or pertaining to equipment or methods used to sustain life
  • Ligament - noun any connection or unifying bond a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
  • Ligament - noun any connection or unifying bond a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
  • Ligament - noun any connection or unifying bond a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
  • Ligament - noun any connection or unifying bond a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
  • Ligament - noun any connection or unifying bond a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
  • patellar - adj. near or relating to the patella or kneecap
  • Ligament - noun any connection or unifying bond a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
  • knee - noun the part of a trouser leg that provides the cloth covering for the knee hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella joint between the femur and tibia in a quadruped; corresponds to the human knee
  • Ligand - noun an atom or molecule or radical or ion that forms a complex around a central atom
  • Ligate - verb bind with a bandage or ligature bind chemically join letters in a ligature when writing
  • Ligature - noun thread used by surgeons to bind a vessel (as to constrict the flow of blood) a metal band used to attach a reed to the mouthpiece of a clarinet or saxophone character consisting of two or more letters combined into one (music) a group of notes connected by a slur the act of tying or binding things together something used to tie or bind
  • Lightening - noun descent of the uterus into the pelvic cavity that occurs late in pregnancy; the fetus is said to have dropped changing to a lighter color
  • Lightheadedness - noun a frivolous lack of prudence a reeling sensation; a feeling that you are about to fall
  • flashing - adj. emitting light in sudden short or intermittent bursts noun sheet metal shaped and attached to a roof for strength and weatherproofing a short vivid experience
  • Limb - noun the graduated arc that is attached to an instrument for measuring angles either of the two halves of a bow from handle to tip one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper (astronomy) the circumferential edge of the apparent disc of the sun or the moon or a planet any of the main branches arising from the trunk or a bough of a tree any projection that is thought to resemble a human arm
  • Lindane - noun a white crystalline powder used as an agricultural insecticide
  • Line - noun acting in conformity something (as a cord or rope) that is long and thin and flexible the road consisting of railroad track and roadbed a commercial organization serving as a common carrier a particular kind of product or merchandise a conceptual separation or distinction a mark that is long relative to its width text consisting of a row of words written across a page or computer screen a formation of people or things one behind another a formation of people or things one beside another a spatial location defined by a real or imaginary unidimensional extent in games or sports; a mark indicating positions or bounds of the playing area a fortified position (especially one marking the most forward position of troops) a single frequency (or very narrow band) of radiation in a spectrum a length (straight or curved) without breadth or thickness; the trace of a moving point the principal activity in your life that you do to earn money a conductor for transmitting electrical or optical signals or electric power a pipe used to transport liquids or gases mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it a telephone connection the methodical process of logical reasoning (often plural) a means of communication or access a short personal letter a succession of notes forming a distinctive sequence the descendants of one individual a connected series of events or actions or developments the maximum credit that a customer is allowed space for one line of print (one column wide and 1/14 inch deep) used to measure advertising a slight depression in the smoothness of a surface verb reinforce with fabric fill plentifully cover the interior of mark with lines be in line with; form a line along make a mark or lines on a surface
  • central - adj. in or near a center or constituting a center; the inner area centrally located and easy to reach used in the description of a place that in the middle of another place serving as an essential component noun a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
  • Line - noun acting in conformity something (as a cord or rope) that is long and thin and flexible the road consisting of railroad track and roadbed a commercial organization serving as a common carrier a particular kind of product or merchandise a conceptual separation or distinction a mark that is long relative to its width text consisting of a row of words written across a page or computer screen a formation of people or things one behind another a formation of people or things one beside another a spatial location defined by a real or imaginary unidimensional extent in games or sports; a mark indicating positions or bounds of the playing area a fortified position (especially one marking the most forward position of troops) a single frequency (or very narrow band) of radiation in a spectrum a length (straight or curved) without breadth or thickness; the trace of a moving point the principal activity in your life that you do to earn money a conductor for transmitting electrical or optical signals or electric power a pipe used to transport liquids or gases mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it a telephone connection the methodical process of logical reasoning (often plural) a means of communication or access a short personal letter a succession of notes forming a distinctive sequence the descendants of one individual a connected series of events or actions or developments the maximum credit that a customer is allowed space for one line of print (one column wide and 1/14 inch deep) used to measure advertising a slight depression in the smoothness of a surface verb reinforce with fabric fill plentifully cover the interior of mark with lines be in line with; form a line along make a mark or lines on a surface
  • Line - noun acting in conformity something (as a cord or rope) that is long and thin and flexible the road consisting of railroad track and roadbed a commercial organization serving as a common carrier a particular kind of product or merchandise a conceptual separation or distinction a mark that is long relative to its width text consisting of a row of words written across a page or computer screen a formation of people or things one behind another a formation of people or things one beside another a spatial location defined by a real or imaginary unidimensional extent in games or sports; a mark indicating positions or bounds of the playing area a fortified position (especially one marking the most forward position of troops) a single frequency (or very narrow band) of radiation in a spectrum a length (straight or curved) without breadth or thickness; the trace of a moving point the principal activity in your life that you do to earn money a conductor for transmitting electrical or optical signals or electric power a pipe used to transport liquids or gases mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it a telephone connection the methodical process of logical reasoning (often plural) a means of communication or access a short personal letter a succession of notes forming a distinctive sequence the descendants of one individual a connected series of events or actions or developments the maximum credit that a customer is allowed space for one line of print (one column wide and 1/14 inch deep) used to measure advertising a slight depression in the smoothness of a surface verb reinforce with fabric fill plentifully cover the interior of mark with lines be in line with; form a line along make a mark or lines on a surface
  • germ - noun a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism a minute life form (especially a disease-causing bacterium); the term is not in technical use anything that provides inspiration for later work
  • Line - noun acting in conformity something (as a cord or rope) that is long and thin and flexible the road consisting of railroad track and roadbed a commercial organization serving as a common carrier a particular kind of product or merchandise a conceptual separation or distinction a mark that is long relative to its width text consisting of a row of words written across a page or computer screen a formation of people or things one behind another a formation of people or things one beside another a spatial location defined by a real or imaginary unidimensional extent in games or sports; a mark indicating positions or bounds of the playing area a fortified position (especially one marking the most forward position of troops) a single frequency (or very narrow band) of radiation in a spectrum a length (straight or curved) without breadth or thickness; the trace of a moving point the principal activity in your life that you do to earn money a conductor for transmitting electrical or optical signals or electric power a pipe used to transport liquids or gases mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it a telephone connection the methodical process of logical reasoning (often plural) a means of communication or access a short personal letter a succession of notes forming a distinctive sequence the descendants of one individual a connected series of events or actions or developments the maximum credit that a customer is allowed space for one line of print (one column wide and 1/14 inch deep) used to measure advertising a slight depression in the smoothness of a surface verb reinforce with fabric fill plentifully cover the interior of mark with lines be in line with; form a line along make a mark or lines on a surface
  • Lineage - noun the descendants of one individual inherited properties shared with others of your bloodline a rate of payment for written material that is measured according to the number of lines submitted the number of lines in a piece of printed material the kinship relation between an individual and the individual's progenitors
  • cell - noun (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals a device that delivers an electric current as the result of a chemical reaction a room where a prisoner is kept small room is which a monk or nun lives any small compartment a small unit serving as part of or as the nucleus of a larger political movement a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver
  • Lingual - adj. pertaining to or resembling or lying near the tongue consisting of or related to language noun a consonant that is produced with the tongue and other speech organs
  • Lining - noun the act of attaching an inside lining (to a garment or curtain etc.) providing something with a surface of a different material a protective covering that protects an inside surface a piece of cloth that is used as the inside surface of a garment
  • uterine - adj. of or involving the uterus
  • Linkage - noun the act of linking things together a mechanical system of rods or springs or pivots that transmits power or motion (genetics) traits that tend to be inherited together as a consequence of an association between their genes; all of the genes of a given chromosome are linked (where one goes they all go) an associative relation
  • Linus Pauling - noun United States chemist who studied the nature of chemical bonding (1901-1994)
  • Lip - noun fleshy folds of tissue as those surrounding the mouth the top edge of a vessel or other container an impudent or insolent rejoinder
  • Lip - noun fleshy folds of tissue as those surrounding the mouth the top edge of a vessel or other container an impudent or insolent rejoinder
  • cleft - adj. having one or more incisions reaching nearly to the midrib used of hooves noun a split or indentation in something (as the palate or chin) a long narrow opening
  • Lipectomy - noun plastic surgery involving the breakdown and suction of fatty tissue
  • Lipid - noun an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)
  • Lipitor - noun an oral drug (trade name Lipitor) that is effective in lowering triglycerides; potent in reducing LDL cholesterol because higher doses can be given
  • Lipoma - noun a tumor consisting of fatty tissue
  • Lipomatosis - noun pathology in which fat accumulates in lipomas in the body
  • Lipoprotein - noun a conjugated protein having a lipid component; the principal means for transporting lipids in the blood
  • tumescent - adj. abnormally distended especially by fluids or gas
  • Liquid diet - noun a diet of foods that can be served in liquid or strained form (plus custards or puddings); prescribed after certain kinds of surgery
  • Listeria - noun any species of the genus Listeria
  • Listeriosis - noun an infectious disease of animals and humans (especially newborn or immunosuppressed persons) caused by the bacterium Listeria monocytogenes; in sheep and cattle the infection frequently involves the central nervous system and causes various neurological symptoms
  • Liter - noun a metric unit of capacity equal to the volume of 1 kilogram of pure water at 4 degrees centigrade and 760 mm of mercury (or approximately 1.76 pints)
  • Lithium - noun a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
  • Lithium carbonate - noun a white powder (LiCO3) used in manufacturing glass and ceramics and as a drug; the drug (trade names Lithane or Lithonate or Eskalith) is used to treat some forms of depression and manic episodes of manic-depressive disorder
  • Lithotomy - noun surgical removal of a stone (calculus)
  • Lithotomy position - noun a position lying on your back with knees bent and thighs apart; assumed for vaginal or rectal examination
  • Litmus - noun a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
  • Litmus test - noun a test that relies on a single indicator a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
  • Liver - adj. having a reddish-brown color noun large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of the blood; synthesizes vitamin A; detoxifies poisonous substances and breaks down worn-out erythrocytes liver of an animal used as meat someone who lives in a place a person who has a special life style
  • Liver cancer - noun malignant neoplastic disease of the liver usually occurring as a metastasis from another cancer; symptoms include loss of appetite and weakness and bloating and jaundice and upper abdominal discomfort
  • Liver cancer - noun malignant neoplastic disease of the liver usually occurring as a metastasis from another cancer; symptoms include loss of appetite and weakness and bloating and jaundice and upper abdominal discomfort
  • childhood - noun the state of a child between infancy and adolescence the time of person's life when they are a child
  • Liver fluke - noun flatworm parasitic in liver and bile ducts of domestic animals and humans
  • Liver spot - noun a type of skin disease that causes brown spots on the skin
  • Livid - adj. furiously angry (of a light) imparting a deathlike luminosity anemic looking from illness or emotion discolored by coagulation of blood beneath the skin
  • Living will - noun a document written by someone still legally capable requesting that they should be allowed to die if subsequently severely disabled or suffering terminal illness
  • Lobar - adj. of or relating to or affecting a lobe
  • Lobe - noun a rounded projection that is part of a larger structure (anatomy) a somewhat rounded subdivision of a bodily organ or part the enhanced response of an antenna in a given direction as indicated by a loop in its radiation pattern (botany) a part into which a leaf is divided
  • Lobectomy - noun surgical removal of a lobe from any organ of the body (as the lung or brain)
  • Lobotomy - noun surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes
  • Lobule - noun a small lobe or subdivision of a lobe
  • Lochia - noun substance discharged from the vagina (cellular debris and mucus and blood) that gradually decreases in amount during the weeks following childbirth
  • Lockjaw - noun an acute and serious infection of the central nervous system caused by bacterial infection of open wounds; spasms of the jaw and laryngeal muscles may occur during the late stages
  • Locomotion - noun self-propelled movement the power or ability to move
  • Locus - noun the set of all points or lines that satisfy or are determined by specific conditions the specific site of a particular gene on its chromosome the scene of any event or action (especially the place of a meeting)
  • Loin - noun either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds a cut of meat taken from the side and back of an animal between the ribs and the rump
  • Loneliness - noun the state of being alone in solitary isolation a disposition toward being alone sadness resulting from being forsaken or abandoned
  • Longevity - noun the property of being long-lived duration of service
  • Longitudinal - adj. over an extended time running lengthwise of or relating to lines of longitude
  • Lordosis - noun an abnormal inward (forward) curvature of the vertebral column
  • LP - noun a long-playing phonograph record; designed to be played at 33.3 rpm
  • lumbar puncture - noun removal by centesis of fluid from the subarachnoid space of the lumbar region of the spinal cord for diagnostic or therapeutic purposes
  • LSD - noun a powerful hallucinogenic drug manufactured from lysergic acid
  • Lubricant - noun a substance capable of reducing friction by making surfaces smooth or slippery
  • Lumbar - adj. of or relating to or near the part of the back between the ribs and the hipbones
  • Lumbar puncture - noun removal by centesis of fluid from the subarachnoid space of the lumbar region of the spinal cord for diagnostic or therapeutic purposes
  • Lumen - noun a cavity or passage in a tubular organ a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
  • Lumpectomy - noun surgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer
  • Lung cancer - noun carcinoma of the lungs; one of the commonest forms of cancer
  • Lung cancer - noun carcinoma of the lungs; one of the commonest forms of cancer
  • familial - adj. tending to occur among members of a family usually by heredity relating to or having the characteristics of a family
  • Lung cancer - noun carcinoma of the lungs; one of the commonest forms of cancer
  • Lung cancer - noun carcinoma of the lungs; one of the commonest forms of cancer
  • Lung cancer - noun carcinoma of the lungs; one of the commonest forms of cancer
  • Lung - noun either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
  • Lung - noun either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
  • Lung - noun either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
  • popcorn - noun small kernels of corn exploded by heat corn having small ears and kernels that burst when exposed to dry heat
  • Lunula - noun a crescent-shaped metal ornament of the Bronze Age the crescent-shaped area at the base of the human fingernail
  • Lunule - noun the crescent-shaped area at the base of the human fingernail
  • Lupus - noun a constellation in the southern hemisphere near Centaurus any of several forms of ulcerative skin disease
  • Luteinizing hormone - noun a gonadotropic hormone that is secreted by the anterior pituitary; stimulates ovulation in female mammals and stimulates androgen release in male mammals
  • Luxation - noun displacement or misalignment of a joint or organ
  • Lycanthropy - noun (folklore) the magical ability of a person to assume the characteristics of a wolf
  • Lycopene - noun carotenoid that makes tomatoes red; may lower the risk of prostate cancer
  • Lyme disease - noun an acute inflammatory disease characterized by a rash with joint swelling and fever; caused by bacteria carried by the bite of a deer tick
  • Lymph - noun a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle; is conveyed to the blood stream by lymphatic vessels
  • Lymph node - noun the source of lymph and lymphocytes
  • Lymph node - noun the source of lymph and lymphocytes
  • sentinel - noun a person employed to watch for something to happen
  • regional - adj. related or limited to a particular region characteristic of a region
  • Lymphadenopathy - noun chronic abnormal enlargement of the lymph nodes (usually associated with disease)
  • Lymphangiogram - noun an angiogram of the lymph nodes and lymph vessels made after the injection of a radiopaque substance
  • Lymphangioma - noun benign angioma consisting of a mass of lymphatic vessels
  • Lymphatic - adj. of or relating to or produced by lymph
  • Lymphatic system - noun the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body
  • Lymphedema - noun swelling (usually in the legs) caused by lymph accumulating in the tissues
  • Lymphedema - noun swelling (usually in the legs) caused by lymph accumulating in the tissues
  • congenital - adj. present at birth but not necessarily hereditary; acquired during fetal development
  • Lymphoblastic leukemia - noun a form of lymphocytic leukemia in which the abnormal cells in the circulating blood are almost totally lymphoblasts
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • ALL - adj. completely given to or absorbed by quantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class adv. to a complete degree or to the full or entire extent (`whole' is often used informally for `wholly')
  • Lymphocyte - noun an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
  • Lymphocytic leukemia - noun leukemia characterized by enlargement of lymphoid tissues and lymphocytic cells in the circulating blood
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • ALL - adj. completely given to or absorbed by quantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class adv. to a complete degree or to the full or entire extent (`whole' is often used informally for `wholly')
  • Lymphocytosis - noun an abnormal increase in the number of lymphocytes in the circulating blood
  • Lymphogranuloma venereum - noun infectious disease caused by a species of chlamydia bacterium; transmitted by sexual contact; characterized by genital lesions and swelling of lymph nodes in the groin
  • Lymphoid - adj. resembling lymph or lymphatic tissues
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • aggressive - adj. having or showing determination and energetic pursuit of your ends characteristic of an enemy or one eager to fight tending to spread quickly
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • indolent - adj. (of tumors e.g) slow to heal or develop and usually painless disinclined to work or exertion
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • MALT - noun a cereal grain that is kiln-dried after having been germinated by soaking in water; used especially in brewing and distilling a lager of high alcohol content; by law it is considered too alcoholic to be sold as lager or beer a milkshake made with malt powder verb convert into malt convert grain into malt turn into malt, become malt treat with malt or malt extract
  • Lymphoma - noun a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • benign - adj. pleasant and beneficial in nature or influence kindness of disposition or manner not dangerous to health; not recurrent or progressive (especially of a tumor)
  • Lyophilization - noun a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes
  • Lyophilize - verb to dry (blood, serum, or tissue) by freezing in a high vacuum
  • Lysine - noun an essential amino acid found in proteins; occurs especially in gelatin and casein
  • Lysis - noun (biochemistry) dissolution or destruction of cells such as blood cells or bacteria recuperation in which the symptoms of an acute disease gradually subside
  • Lysosome - noun an organelle found in the cytoplasm of most cells (especially in leukocytes and liver and kidney cells)
  • M - noun the 13th letter of the Roman alphabet concentration measured by the number of moles of solute per liter of solution the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)

Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

M

  • MAC - noun a waterproof raincoat made of rubberized fabric
  • Macerate - verb soften, usually by steeping in liquid, and cause to disintegrate as a result become soft or separate and disintegrate as a result of excessive soaking separate into constituents by soaking cause to grow thin or weak
  • Machine - noun any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks a device for overcoming resistance at one point by applying force at some other point a group that controls the activities of a political party an intricate organization that accomplishes its goals efficiently an efficient person a motor vehicle with four wheels; usually propelled by an internal combustion engine verb make by machinery turn, shape, mold, or otherwise finish by machinery
  • Machine - noun any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks a device for overcoming resistance at one point by applying force at some other point a group that controls the activities of a political party an intricate organization that accomplishes its goals efficiently an efficient person a motor vehicle with four wheels; usually propelled by an internal combustion engine verb make by machinery turn, shape, mold, or otherwise finish by machinery
  • Machine - noun any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks a device for overcoming resistance at one point by applying force at some other point a group that controls the activities of a political party an intricate organization that accomplishes its goals efficiently an efficient person a motor vehicle with four wheels; usually propelled by an internal combustion engine verb make by machinery turn, shape, mold, or otherwise finish by machinery
  • Machupo virus - noun the RNA virus that causes Bolivian hemorrhagic fever; carried by rats and mice
  • Macro - adj. very large in scale or scope or capability noun a single computer instruction that results in a series of instructions in machine language
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Macrobiotic - adj. of or relating to the theory or practice of macrobiotics
  • Macrocephaly - noun an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical
  • Macrocephaly - noun an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical
  • Macroglossia - noun a congenital disorder characterized by an abnormally large tongue; often seen in cases of Down's syndrome
  • Macrophage - noun a large phagocyte; some are fixed and other circulate in the blood stream
  • Macroscopic - adj. large enough to be visible to the naked eye
  • Macula - noun a yellowish central area of the retina that is rich in cones and that mediates clear detailed vision a patch of skin that is discolored but not usually elevated; caused by various diseases a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
  • skin - noun an outer surface (usually thin) a bag serving as a container for liquids; it is made from the hide of an animal a natural protective body covering and site of the sense of touch a person's skin regarded as their life the tissue forming the hard outer layer (of e.g. a fruit) body covering of a living animal the rind of a fruit or vegetable verb strip the skin off bruise, cut, or injure the skin or the surface of remove the bark of a tree climb awkwardly, as if by scrambling
  • Macular Degeneration - noun degeneration of the cells of the macula lutea which results in blurred vision and can cause blindness; usually age-related
  • Macule - noun a patch of skin that is discolored but not usually elevated; caused by various diseases
  • cellophane - noun a transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc.
  • Maggot - noun the larva of the housefly and blowfly commonly found in decaying organic matter
  • Magic bullet - noun a remedy (drug or therapy or preventive) that cures or prevents a disease
  • Magnesia - noun a white solid mineral that occurs naturally as periclase; a source of magnesium
  • Magnesium - noun a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
  • Major - adj. greater in number or size or amount greater in scope or effect of full legal age of a scale or mode of the field of academic study in which one concentrates or specializes of greater importance or stature or rank of greater seriousness or danger noun the principal field of study of a student at a university a commissioned military officer in the United States Army or Air Force or Marines; below lieutenant colonel and above captain a university student who is studying a particular field as the principal subject British statesman who was prime minister from 1990 until 1997 (born in 1943) verb have as one's principal field of study
  • Makeup - noun cosmetics applied to the face to improve or change your appearance an event that is substituted for a previously cancelled event the way in which someone or something is composed
  • permanent - adj. continuing or enduring without marked change in status or condition or place not capable of being reversed or returned to the original condition noun a series of waves in the hair made by applying heat and chemicals
  • Malabsorption - noun abnormal absorption of nutrients from the digestive tract
  • Malacia - noun a state of abnormal softening of tissue
  • Malady - noun any unwholesome or desperate condition impairment of normal physiological function affecting part or all of an organism
  • Malaise - noun physical discomfort (as mild sickness or depression)
  • Malar - noun the arch of bone beneath the eye that forms the prominence of the cheek
  • Malaria - noun an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever
  • Malaria - noun an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever
  • Malaria - noun an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever
  • Male - adj. being the sex (of plant or animal) that produces gametes (spermatozoa) that perform the fertilizing function in generation for or pertaining to or composed of men or boys characteristic of a man noun an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova) the capital of Maldives in the center of the islands a person who belongs to the sex that cannot have babies
  • Malformation - noun something abnormal or anomalous an affliction in which some part of the body is misshapen or malformed
  • Malformation - noun something abnormal or anomalous an affliction in which some part of the body is misshapen or malformed
  • Malformation - noun something abnormal or anomalous an affliction in which some part of the body is misshapen or malformed
  • Malformation - noun something abnormal or anomalous an affliction in which some part of the body is misshapen or malformed
  • congenital - adj. present at birth but not necessarily hereditary; acquired during fetal development
  • Malignancy - noun (medicine) a malignant state; progressive and resistant to treatment and tending to cause death quality of being disposed to evil; intense ill will
  • Malignant - adj. dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor)
  • Malignant hyperthermia - noun hereditary condition in which certain anesthetics (e.g., halothane) cause high body temperatures and muscle rigidity
  • Malignant melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Malleability - noun the property of being physically malleable; the property of something that can be worked or hammered or shaped without breaking
  • brain - noun that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord mental ability the brain of certain animals used as meat that which is responsible for one's thoughts and feelings; the seat of the faculty of reason someone who has exceptional intellectual ability and originality verb kill by smashing someone's skull hit on the head
  • Mallet - noun a tool resembling a hammer but with a large head (usually wooden); used to drive wedges or ram down paving stones or for crushing or beating or flattening or smoothing a light drumstick with a rounded head that is used to strike percussion instruments a sports implement with a long handle and a head like a hammer; used in sports (polo or croquet) to hit a ball
  • Malleus - noun the ossicle attached to the eardrum
  • Malnutrition - noun a state of poor nutrition; can result from insufficient or excessive or unbalanced diet or from inability to absorb foods
  • MALT - noun a cereal grain that is kiln-dried after having been germinated by soaking in water; used especially in brewing and distilling a lager of high alcohol content; by law it is considered too alcoholic to be sold as lager or beer a milkshake made with malt powder verb convert into malt convert grain into malt turn into malt, become malt treat with malt or malt extract
  • MAM - noun a Mayan language spoken by the Mam a member of a Mayan people of southwestern Guatemala
  • reduction - noun the act of reducing complexity any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent the act of decreasing or reducing something
  • Mammogram - noun X-ray film of the soft tissue of the breast
  • Mammogram - noun X-ray film of the soft tissue of the breast
  • screening - noun testing objects or persons in order to identify those with particular characteristics fabric of metal or plastic mesh the display of a motion picture the act of concealing the existence of something by obstructing the view of it
  • Mandible - noun the jaw in vertebrates that is hinged to open the mouth
  • Maneuver - noun an action aimed at evading an opponent a move made to gain a tactical end a deliberate coordinated movement requiring dexterity and skill a military training exercise a plan for attaining a particular goal verb act in order to achieve a certain goal perform a movement in military or naval tactics in order to secure an advantage in attack or defense direct the course; determine the direction of travelling
  • Maneuver - noun an action aimed at evading an opponent a move made to gain a tactical end a deliberate coordinated movement requiring dexterity and skill a military training exercise a plan for attaining a particular goal verb act in order to achieve a certain goal perform a movement in military or naval tactics in order to secure an advantage in attack or defense direct the course; determine the direction of travelling
  • Mania - noun an irrational but irresistible motive for a belief or action a mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently
  • Mania - noun an irrational but irresistible motive for a belief or action a mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently
  • mixed - adj. consisting of a haphazard assortment of different kinds (even to the point of incongruity) involving or composed of different races caused to combine or unite
  • Manic - adj. affected with or marked by frenzy or mania uncontrolled by reason
  • Manic depression - noun a mental disorder characterized by episodes of mania and depression
  • Mansfield - noun a town in north central Ohio New Zealand writer of short stories (1888-1923)
  • Mansfield - noun a town in north central Ohio New Zealand writer of short stories (1888-1923)
  • Peter - noun disciple of Jesus and leader of the apostles; regarded by Catholics as the vicar of Christ on earth and first Pope obscene terms for penis
  • Mantoux test - noun tuberculin (a derivative of tubercle bacillus) is injected intradermally; a red area appearing 1-3 days later signifies an exposure (past or present) to tubercle bacilli and the need for further testing
  • MAOI - noun any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate
  • MAP - noun a diagrammatic representation of the earth's surface (or part of it) a function such that for every element of one set there is a unique element of another set verb to establish a mapping (of mathematical elements or sets) explore or survey for the purpose of making a map make a map of; show or establish the features of details of depict as if on a map plan, delineate, or arrange in detail locate within a specific region of a chromosome in relation to known DNA or gene sequences
  • Map - noun a diagrammatic representation of the earth's surface (or part of it) a function such that for every element of one set there is a unique element of another set verb to establish a mapping (of mathematical elements or sets) explore or survey for the purpose of making a map make a map of; show or establish the features of details of depict as if on a map plan, delineate, or arrange in detail locate within a specific region of a chromosome in relation to known DNA or gene sequences
  • Map - noun a diagrammatic representation of the earth's surface (or part of it) a function such that for every element of one set there is a unique element of another set verb to establish a mapping (of mathematical elements or sets) explore or survey for the purpose of making a map make a map of; show or establish the features of details of depict as if on a map plan, delineate, or arrange in detail locate within a specific region of a chromosome in relation to known DNA or gene sequences
  • Map - noun a diagrammatic representation of the earth's surface (or part of it) a function such that for every element of one set there is a unique element of another set verb to establish a mapping (of mathematical elements or sets) explore or survey for the purpose of making a map make a map of; show or establish the features of details of depict as if on a map plan, delineate, or arrange in detail locate within a specific region of a chromosome in relation to known DNA or gene sequences
  • linkage - noun the act of linking things together a mechanical system of rods or springs or pivots that transmits power or motion (genetics) traits that tend to be inherited together as a consequence of an association between their genes; all of the genes of a given chromosome are linked (where one goes they all go) an associative relation
  • Map - noun a diagrammatic representation of the earth's surface (or part of it) a function such that for every element of one set there is a unique element of another set verb to establish a mapping (of mathematical elements or sets) explore or survey for the purpose of making a map make a map of; show or establish the features of details of depict as if on a map plan, delineate, or arrange in detail locate within a specific region of a chromosome in relation to known DNA or gene sequences
  • physical - adj. having substance or material existence; perceptible to the senses concerned with material things characterized by energetic bodily activity according with material things or natural laws (other than those peculiar to living matter) involving the body as distinguished from the mind or spirit relating to the sciences dealing with matter and energy; especially physics impelled by physical force especially against resistance
  • Maple syrup urine disease - noun an inherited disorder of metabolism in which the urine has a odor characteristic of maple syrup; if untreated it can lead to mental retardation and death in early childhood
  • Mapping - noun (genetics) the process of locating genes on a chromosome a function such that for every element of one set there is a unique element of another set
  • Mapping - noun (genetics) the process of locating genes on a chromosome a function such that for every element of one set there is a unique element of another set
  • gene - noun (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity
  • Marasmus - noun extreme malnutrition and emaciation (especially in children); can result from inadequate intake of food or from malabsorption or metabolic disorders
  • Marburg disease - noun a viral disease of green monkeys caused by the Marburg virus; when transmitted to humans it causes serious or fatal illness
  • Marburg virus - noun a filovirus that causes Marburg disease; carried by animals; can be used as a bioweapon
  • Margaret Mead - noun United States anthropologist noted for her claims about adolescence and sexual behavior in Polynesian cultures (1901-1978)
  • Marijuana - noun a strong-smelling plant from whose dried leaves a number of euphoriant and hallucinogenic drugs are prepared the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect
  • Mark of Cain - noun the mark that God set upon Cain now refers to a person's sinful nature
  • Marker - noun some conspicuous object used to distinguish or mark something a writing implement for making a mark a distinguishing symbol
  • Marker - noun some conspicuous object used to distinguish or mark something a writing implement for making a mark a distinguishing symbol
  • blood - noun temperament or disposition the fluid (red in vertebrates) that is pumped by the heart people viewed as members of a group the descendants of one individual a dissolute man in fashionable society verb smear with blood, as in a hunting initiation rite, where the face of a person is smeared with the blood of the kill
  • Marker - noun some conspicuous object used to distinguish or mark something a writing implement for making a mark a distinguishing symbol
  • tumor - noun an abnormal new mass of tissue that serves no purpose
  • Marmoreal - adj. of or relating to or characteristic of marble
  • Marriage - noun the act of marrying; the nuptial ceremony two people who are married to each other the state of being a married couple voluntarily joined for life (or until divorce) a close and intimate union
  • cousin - noun the child of your aunt or uncle
  • Marrow - noun the fatty network of connective tissue that fills the cavities of bones large elongated squash with creamy to deep green skins very tender and very nutritious tissue from marrowbones any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh the choicest or most essential or most vital part of some idea or experience
  • Marx - noun founder of modern communism; wrote the Communist Manifesto with Engels in 1848; wrote Das Kapital in 1867 (1818-1883) United States comedian; oldest of four brothers who made motion pictures together (1890-1977) United States comedian; one of four brothers who made motion pictures together (1891-1961) United States comedian; one of four brothers who made motion pictures together (1893-1964) United States comedian; one of four brothers who made motion pictures together (1901-1979)
  • Marx - noun founder of modern communism; wrote the Communist Manifesto with Engels in 1848; wrote Das Kapital in 1867 (1818-1883) United States comedian; oldest of four brothers who made motion pictures together (1890-1977) United States comedian; one of four brothers who made motion pictures together (1891-1961) United States comedian; one of four brothers who made motion pictures together (1893-1964) United States comedian; one of four brothers who made motion pictures together (1901-1979)
  • Mask of pregnancy - noun a tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives
  • Mask - noun activity that tries to conceal something a covering to disguise or conceal the face a protective covering worn over the face a party of guests wearing costumes and masks verb put a mask on or cover with a mask shield from light cover with a sauce hide under a false appearance
  • oxygen - noun a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
  • Masochism - noun sexual pleasure obtained from receiving punishment (physical or psychological)
  • Massage - noun kneading and rubbing parts of the body to increase circulation and promote relaxation verb give a massage to manually manipulate (someone's body), usually for medicinal or relaxation purposes
  • Masseter - noun a large muscle that raises the lower jaw and is used in chewing
  • Mast cell - noun a large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammation
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • double - adj. having two meanings with intent to deceive large enough for two twice as great or many consisting of or involving two parts or components usually in pairs having more than one decidedly dissimilar aspects or qualities used of flowers having more than the usual number of petals in crowded or overlapping arrangements used of homologous chromosomes associated in pairs in synapsis adv. two together downward and forward to double the degree noun a base hit on which the batter stops safely at second base a quantity that is twice as great as another someone who closely resembles a famous person (especially an actor) a stand-in for movie stars to perform dangerous stunts raising the stakes in a card game by a factor of 2 verb increase twofold hit a two-base hit do double duty; serve two purposes or have two functions bridge: make a demand for (a card or suit) make or do or perform again bend over or curl up, usually with laughter or pain
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • preventative - adj. preventing or contributing to the prevention of disease tending to prevent or hinder noun an agent or device intended to prevent conception any obstruction that impedes or is burdensome remedy that prevents or slows the course of an illness or disease
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • prophylactic - adj. preventing or contributing to the prevention of disease tending to ward off capable of preventing conception or impregnation noun contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse remedy that prevents or slows the course of an illness or disease
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • radical - adj. especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem arising from or going to the root of or relating to or constituting a linguistic root (used of opinions and actions) far beyond the norm markedly new or introducing radical change nouna sign placed in front of an expression to denote that a root is to be extracted a character conveying the lexical meaning of a logogram a person who has radical ideas or opinions (linguistics) the form of a word after all affixes are removed (chemistry) two or more atoms bound together as a single unit and forming part of a molecule an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • simple - adj. unornamented (botany) of leaf shapes; of leaves having no divisions or subdivisions having few parts; not complex or complicated or involved easy and not involved or complicated apart from anything else; without additions or modifications lacking mental capacity and devoid of subtlety exhibiting childlike simplicity and credulity noun any herbaceous plant having medicinal properties a person lacking intelligence or common sense
  • Mastectomy - noun surgical removal of a breast to remove a malignant tumor
  • subcutaneous - adj. relating to or located below the epidermis
  • Mastitis - noun inflammation of a breast (or udder)
  • Mastocyte - noun a large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammation
  • Mastoid - adj. relating to or resembling a nipple of or relating to or in the region of the mastoid process noun process of the temporal bone behind the ear at the base of the skull
  • Materia medica - noun the science or study of drugs: their preparation and properties and uses and effects
  • Maternal - adj. characteristic of a mother relating to or derived from one's mother relating to or characteristic of or befitting a parent related on the mother's side
  • Matter - noun (used with negation) having consequence a vaguely specified concern a problem written works (especially in books or magazines) that which has mass and occupies space some situation or event that is thought about verb have weight; have import, carry weight
  • gray - adj. of an achromatic color of any lightness intermediate between the extremes of white and black darkened with overcast intermediate in character or position used to signify the Confederate forces in the American Civil War (who wore grey uniforms) showing characteristics of age, especially having grey or white hair noun a neutral achromatic color midway between white and black United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888) American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806) English poet best known for his elegy written in a country churchyard (1716-1771) horse of a light gray or whitish color clothing that is a grey color any organization or party whose uniforms or badges are grey verbturn grey make grey
  • Matter - noun (used with negation) having consequence a vaguely specified concern a problem written works (especially in books or magazines) that which has mass and occupies space some situation or event that is thought about verb have weight; have import, carry weight
  • white - adj. of or belonging to a racial group having light skin coloration of summer nights in northern latitudes where the sun barely sets being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light (of hair) having lost its color (of coffee) having cream or milk added benevolent; without malicious intent glowing white with heat restricted to whites only marked by the presence of snow free from moral blemish or impurity; unsullied anemic looking from illness or emotion (of a surface) not written or printed on noun (board games) the lighter pieces the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black) a tributary of the Mississippi River that flows southeastward through northern Arkansas and southern Missouri a member of the Caucasoid race United States educator who in 1865 (with Ezra Cornell) founded Cornell University and served as its first president (1832-1918) United States writer noted for his humorous essays (1899-1985) United States architect (1853-1906) United States political journalist (1915-1986) Australian writer (1912-1990) United States jurist appointed chief justice of the United States Supreme Court in 1910 by President Taft; noted for his work on antitrust legislation (1845-1921) (usually in the plural) trousers made of flannel or gabardine or tweed or white cloth the white part of an egg; the nutritive and protective gelatinous substance surrounding the yolk consisting mainly of albumin dissolved in water verb turn white
  • Maxilla - noun the jaw in vertebrates that is fused to the cranium
  • McArdle's disease - noun an inherited disease in which abnormal amounts of glycogen accumulate in skeletal muscle; results in weakness and cramping
  • McBurney's point - noun a point one third of the way along a line drawn from the hip to the umbilicus; the point of maximum sensitivity in acute appendicitis
  • MD - noun a doctor's degree in medicine a Mid-Atlantic state; one of the original 13 colonies a licensed medical practitioner a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)
  • MDI - noun a Sunni organization formed in 1989 and based in Pakistan; opposes missionary groups from the United States; has Lashkar-e-Tayyiba as its armed wing
  • MDMA - noun a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States
  • Mead - noun made of fermented honey and water United States philosopher of pragmatism (1863-1931) United States anthropologist noted for her claims about adolescence and sexual behavior in Polynesian cultures (1901-1978)
  • Mead - noun made of fermented honey and water United States philosopher of pragmatism (1863-1931) United States anthropologist noted for her claims about adolescence and sexual behavior in Polynesian cultures (1901-1978)
  • Measles - noun an acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children
  • atypical - adj. deviating from normal expectations; somewhat odd, strange, or abnormal not representative of a group, class, or type
  • Measly - adj. contemptibly small in amount
  • Meatus - noun a natural body passageway
  • Meatus - noun a natural body passageway
  • Meckel's diverticulum - noun a congenital diverticulum in the ileum resulting from incomplete closure of the yolk sac
  • Meconium - noun thick dark green mucoid material that is the first feces of a newborn child
  • contrast - noun the act of distinguishing by comparing differences the range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness) the perceptual effect of the juxtaposition of very different colors the opposition or dissimilarity of things that are compared a conceptual separation or distinction verb put in opposition to show or emphasize differences to show differences when compared; be different
  • Medial - adj. dividing an animal into right and left halves relating to or situated in or extending toward the middle
  • Median - adj. relating to or situated in or extending toward the middle 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) dividing an animal into right and left halves nounthe value below which 50% of the cases fall
  • Mediastinum - noun the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
  • Medicaid - noun health care for the needy; a federally and state-funded program
  • advance - adj. situated ahead or going before being ahead of time or need noun 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 verb 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
  • Medical history - noun the case history of a medical patient as recalled by the patient
  • Medical school - noun a graduate school offering study leading to a medical degree
  • Medical school - noun a graduate school offering study leading to a medical degree
  • Medicare - noun health care for the aged; a federally administered system of health insurance available to persons aged 65 and over
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • ACE inhibitor - noun antihypertensive drug that blocks the formation of angiotensin in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • antibiotic - adj. of or relating to antibiotic drugs noun a chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • anticoagulant - noun medicine that prevents or retards the clotting of blood
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • antifungal - adj. capable of destroying fungi noun any agent that destroys or prevents the growth of fungi
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • antimicrobial - adj. capable of destroying or inhibiting the growth of disease-causing microorganisms noun an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • antiprotozoal - noun a medicinal drug used to fight diseases (like malaria) that are caused by protozoa
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • antiviral - adj. inhibiting or stopping the growth and reproduction of viruses noun any drug that destroys viruses
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • beta blocker - noun any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • generic - adj. applicable to an entire class or group (of drugs) not protected by trademark relating to or common to or descriptive of all members of a genus noun any product that can be sold without a brand name a wine that is a blend of several varieties of grapes with no one grape predominating; a wine that does not carry the name of any specific grape
  • Medication - noun the act of treating with medicines or remedies (medicine) something that treats or prevents or alleviates the symptoms of disease
  • vasodilator - noun a drug that causes dilation of blood vessels
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • adoption - noun 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
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • Chinese - adj. of or pertaining to China or its peoples or cultures of or relating to or characteristic of the island republic on Taiwan or its residents or their language noun any of the Sino-Tibetan languages spoken in China; regarded as dialects of a single language (even though they are mutually unintelligible) because they share an ideographic writing system a native or inhabitant of Communist China or of Nationalist China
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • family - noun primary social group; parents and children people descended from a common ancestor a social unit living together (biology) a taxonomic group containing one or more genera an association of people who share common beliefs or activities a collection of things sharing a common attribute a loose affiliation of gangsters in charge of organized criminal activities a person having kinship with another or others
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • forensic - adj. of, relating to, or used in courts of law or public debate or argument
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • geriatric - adj. of or relating to or practicing geriatrics of or relating to the aged
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • homeopathic - adj. of or relating to the practice of homeopathy
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • legal - adj. allowed by official rules established by or founded upon law or official or accepted rules having legal efficacy or force of or relating to jurisprudence relating to or characteristic of the profession of law
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • nuclear - adj. constituting or like a nucleus (weapons) deriving destructive energy from the release of atomic energy of or relating to or constituting the nucleus of an atom of or relating to or constituting the nucleus of a cell
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • occupational - adj. of or relating to the activity or business for which you are trained
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • transfusion - noun the action of pouring a liquid from one vessel to another the introduction of blood or blood plasma into a vein or artery
  • Medicine - noun the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries (medicine) something that treats or prevents or alleviates the symptoms of disease the branches of medical science that deal with nonsurgical techniques punishment for one's actions verb treat medicinally, treat with medicine
  • travel - noun the act of going from one place to another self-propelled movement a movement through space that changes the location of something verb change location; move, travel, or proceed undergo transportation as in a vehicle make a trip for pleasure undertake a journey or trip travel upon or across travel from place to place, as for the purpose of finding work, preaching, or acting as a judge
  • Meditation - noun continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature (religion) contemplation of spiritual matters (usually on religious or philosophical subjects)
  • Mediterranean Fever - noun infectious bacterial disease of human beings transmitted by contact with infected animals or infected meat or milk products; characterized by fever and headache
  • MEDLARS - noun relational database of the United States National Library of Medicine for the storage and retrieval of bibliographical information concerning the biomedical literature
  • MEDLINE - noun the computer-based telephone system of the United States National Library of Medicine that provides rapid linkage to MEDLARS
  • Medulla - noun the inner part of an organ or structure in plant or animal lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata) a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
  • Medulla oblongata - noun lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
  • Medulla - noun the inner part of an organ or structure in plant or animal lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata) a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
  • adrenal - adj. of or pertaining to the adrenal glands or their secretions near the kidneys noun either of a pair of complex endocrine glands situated near the kidney
  • recessive - adj. (of genes) producing its characteristic phenotype only when its allele is identical of or pertaining to a recession nounan allele that produces its characteristic phenotype only when its paired allele is identical
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Megacolon - noun an abnormal enlargement of the colon; can be congenital (as in Hirschsprung's disease) or acquired (as when children refuse to defecate)
  • Megakaryocyte - noun a large bone marrow cell; regarded as the source of blood platelets
  • Megrim - noun a severe recurring vascular headache; occurs more frequently in women than men
  • Meibomian cyst - noun a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked
  • Meiosis - noun (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants) understatement for rhetorical effect (especially when expressing an affirmative by negating its contrary)
  • Meiotic - adj. of or relating to meiosis
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Melancholia - noun extreme depression characterized by tearful sadness and irrational fears
  • Melanin - noun insoluble pigments that account for the color of e.g. skin and scales and feathers
  • Melanocyte - noun a cell in the basal layer of the epidermis that produces melanin under the control of the melanocyte-stimulating hormone
  • Melanoderma - noun abnormally dark skin caused by increased deposits of melatonin
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • juvenile - adj. of or relating to or characteristic of or appropriate for children or young people displaying or suggesting a lack of maturity noun a youthful person
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • benign - adj. pleasant and beneficial in nature or influence kindness of disposition or manner not dangerous to health; not recurrent or progressive (especially of a tumor)
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • ciliary body - noun the part of the tunic of the eye between the choroid coat and the iris
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • eye - noun a small hole or loop (as in a needle) the organ of sight good discernment (either visually or as if visually) attention to what is seen an area that is approximately central within some larger region verb look at
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • iris - noun diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening muscular diaphragm that controls the size of the pupil; it forms the colored portion of the eye plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • malignant - adj. dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor)
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • nodular - adj. having nodules or occurring in the form of nodules relating to or characterized by or having nodules
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • ocular - adj. able to be seen relating to or using sight of or relating to or resembling the eye noun combination of lenses at the viewing end of optical instruments
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • Melanoma - noun any of several malignant neoplasms (usually of the skin) consisting of melanocytes
  • uveal - adj. of or relating to the uvea of the eye
  • Melasma - noun a tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives
  • Melatonin - noun hormone secreted by the pineal gland
  • MELD - noun a form of rummy using two decks of cards and four jokers; jokers and deuces are wild; the object is to form groups of the same rank verb announce for a score; of cards in a card game mix together different elements lose its distinct outline or shape; blend gradually
  • Melena - noun abnormally dark tarry feces containing blood (usually from gastrointestinal bleeding)
  • Meltdown - noun a disaster comparable to a nuclear meltdown severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
  • genetic - adj. of or relating to the science of genetics pertaining to or referring to origin tending to occur among members of a family usually by heredity of or relating to or produced by or being a gene
  • Membrane - noun a thin pliable sheet of material a pliable sheet of tissue that covers or lines or connects organs or cells of animals
  • Membrane - noun a thin pliable sheet of material a pliable sheet of tissue that covers or lines or connects organs or cells of animals
  • Membrane - noun a thin pliable sheet of material a pliable sheet of tissue that covers or lines or connects organs or cells of animals
  • vaginal - adj. of or relating to the vagina
  • Membranous - adj. characterized by formation of a membrane (or something resembling a membrane) relating to or made of or similar to a membrane
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • anterograde - adj. of amnesia; affecting time immediately following trauma
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • explicit - adj. precisely and clearly expressed or readily observable; leaving nothing to implication in accordance with fact or the primary meaning of a term
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • implicit - adj. being without doubt or reserve implied though not directly expressed; inherent in the nature of something
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • long-term - adj. relating to or extending over a relatively long time
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • recent - adj. near to or not long before the present being new in a time not long past of the immediate past or just previous to the present time noun approximately the last 10,000 years
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • short-term - adj. relating to or extending over a limited period
  • Memory - noun an electronic memory device the power of retaining and recalling past experience the cognitive processes whereby past experience is remembered something that is remembered the area of cognitive psychology that studies memory processes
  • working - adj. serving to permit or facilitate further work or activity actively engaged in paid work adopted as a temporary basis for further work adequate for practical use; especially sufficient in strength or numbers to accomplish something (of e.g. a machine) performing or capable of performing noun a mine or quarry that is being or has been worked
  • Menarche - noun the first occurrence of menstruation in a woman
  • Mendel - noun Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics (1822-1884)
  • Mendelian - adj. of or relating to Gregor Mendel or in accord with Mendel's laws noun a follower of Mendelism
  • Mendelism - noun the theory of inheritance based on Mendel's laws
  • Meninges - noun a membrane (one of 3) that envelops the brain and spinal cord
  • Meningioma - noun a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • aseptic - adj. free of or using methods to keep free of pathological microorganisms
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • bacterial - adj. relating to or caused by bacteria
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • infectious - adj. easily spread caused by infection or capable of causing infection of or relating to infection
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • neoplastic - adj. of or related to or having the properties of a neoplasm
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • tuberculous - adj. constituting or afflicted with or caused by tuberculosis or the tubercle bacillus
  • Meningitis - noun infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection; symptoms include headache and stiff neck and fever and nausea
  • viral - adj. relating to or caused by a virus
  • Meningocele - noun a congenital anomaly of the central nervous system in which a sac protruding from the brain or the spinal meninges contains cerebrospinal fluid (but no nerve tissue)
  • MM - noun a metric unit of length equal to one thousandth of a meter
  • Meniscus - noun (physics) the curved upper surface of a nonturbulent liquid in a vertical tube (optics) a lens that is concave on one side and convex on the other (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint
  • Meniscus - noun (physics) the curved upper surface of a nonturbulent liquid in a vertical tube (optics) a lens that is concave on one side and convex on the other (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint
  • Meniscus - noun (physics) the curved upper surface of a nonturbulent liquid in a vertical tube (optics) a lens that is concave on one side and convex on the other (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint
  • Menopause - noun the time in a woman's life in which the menstrual cycle ends
  • Menopause - noun the time in a woman's life in which the menstrual cycle ends
  • chemical - adj. relating to or used in chemistry of or made from or using substances produced by or used in reactions involving atomic or molecular changes noun produced by or used in a reaction involving changes in atoms or molecules
  • Menopause - noun the time in a woman's life in which the menstrual cycle ends
  • induced - adj. brought about or caused; not spontaneous
  • Menopause - noun the time in a woman's life in which the menstrual cycle ends
  • natural - adj. being talented through inherited qualities related by blood; not adopted in accordance with nature; relating to or concerning nature existing in or produced by nature; not artificial or imitation existing in or in conformity with nature or the observable world; neither supernatural nor magical (of a key) containing no sharps or flats; (of a note) being neither raised nor lowered by one chromatic semitone functioning or occurring in a normal way; lacking abnormalities or deficiencies (used especially of commodities) being unprocessed or manufactured using only simple or minimal processes unthinking; prompted by (or as if by) instinct free from artificiality noun (craps) a first roll of 7 or 11 that immediately wins the stake a notation cancelling a previous sharp or flat someone regarded as certain to succeed
  • Menopause - noun the time in a woman's life in which the menstrual cycle ends
  • radiation - noun the act of spreading outward from a central source a radial arrangement of nerve fibers connecting different parts of the brain the spread of a group of organisms into new habitats energy that is radiated or transmitted in the form of rays or waves or particles the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours
  • Menopause - noun the time in a woman's life in which the menstrual cycle ends
  • surgical - adj. performed with great precision relating to or requiring or amenable to treatment by surgery especially as opposed to medicine of or relating to or involving or used in surgery
  • Menorrhagia - noun abnormally heavy or prolonged menstruation; can be a symptom of uterine tumors and can lead to anemia if prolonged
  • Menstrual - adj. of or relating to menstruation or the menses
  • Menstrual cycle - noun a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation
  • Menstruation - noun the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  • Menstruation - noun the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  • Menstruation - noun the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  • Menstruation - noun the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  • retrograde - adj. of amnesia; affecting time immediately preceding trauma moving from east to west on the celestial sphere; or--for planets--around the sun in a direction opposite to that of the Earth going from better to worse moving or directed or tending in a backward direction or contrary to a previous direction verb go back over move back move in a direction contrary to the usual one move backward in an orbit, of celestial bodies get worse or fall back to a previous condition
  • blindness - noun the state of being blind or lacking sight
  • deafness - noun partial or complete loss of hearing
  • Mentum - noun a projection below the mouth of certain mollusks that resembles a chin a projection like a chin formed by the sepals and base of the column in some orchids the protruding part of the lower jaw
  • Mercaptopurine - noun a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia
  • Mercury poisoning - noun a toxic condition caused by ingesting or inhaling mercury; acute mercury poisoning causes a metallic taste and vomiting and diarrhea and kidney problems that may lead to death
  • Mesenteric artery - noun one of two branches of the aorta that pass between the two layers of the mesentery to the intestines
  • Mesenteric vein - noun a tributary of the portal vein passing from the intestine between the two layers of mesentery
  • Mesentery - noun a double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines
  • Mesial - adj. being in or directed toward the midline or mesial plane of the body
  • Mesmerism - noun the act of inducing hypnosis
  • Mesoderm - noun the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue
  • Mesodermal - adj. relating to or derived from the mesoderm
  • Mesothelioma - noun a rare form of carcinoma of the mesothelium lining lungs or abdomen or heart; usually associated with exposure to asbestos dust
  • Messenger RNA - noun the template for protein synthesis; the form of RNA that carries information from DNA in the nucleus to the ribosome sites of protein synthesis in the cell
  • Metabolic - adj. undergoing metamorphosis of or relating to metabolism
  • inherited - adj. tending to occur among members of a family usually by heredity
  • Metabolic rate - noun rate of metabolism; the amount of energy expended in a give period
  • basal - adj. of primary importance serving as or forming a base especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
  • Metabolism - noun the organic processes (in a cell or organism) that are necessary for life the marked and rapid transformation of a larva into an adult that occurs in some animals
  • Metabolism - noun the organic processes (in a cell or organism) that are necessary for life the marked and rapid transformation of a larva into an adult that occurs in some animals
  • Metaphase - noun the second stage of mitosis the second stage of meiosis
  • human - adj. having human form or attributes as opposed to those of animals or divine beings characteristic of humanity relating to a person noun any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage
  • Metastasis - noun the spreading of a disease to another part of the body the organic processes (in a cell or organism) that are necessary for life
  • Metatarsal - adj. of or relating to the metatarsus noun any bone of the foot between the ankle and the toes
  • Metatarsus - noun the skeleton of the human foot between the toes and the tarsus; the corresponding part of the foot in birds or of the hind foot in quadrupeds
  • Meter - noun any of various measuring instruments for measuring a quantity rhythm as given by division into parts of equal duration (prosody) the accent in a metrical foot of verse the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards) verb measure with a meter stamp with a meter indicating the postage
  • Meter - noun any of various measuring instruments for measuring a quantity rhythm as given by division into parts of equal duration (prosody) the accent in a metrical foot of verse the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards) verb measure with a meter stamp with a meter indicating the postage
  • pH - noun (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic)
  • Methadone - noun synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction
  • Methicillin - noun antibiotic drug of the penicillin family used in the treatment of certain staphylococcal infections
  • Methionine - noun a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition
  • Method - noun a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps) an acting technique introduced by Stanislavsky in which the actor recalls emotions or reactions from his or her own life and uses them to identify with the character being portrayed
  • rhythm - noun recurring at regular intervals the arrangement of spoken words alternating stressed and unstressed elements the basic rhythmic unit in a piece of music natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) an interval during which a recurring sequence of events occurs
  • Methyl bromide - noun a poisonous gas or liquid (CH3Br) used to fumigate rodents, worms, etc.
  • Methylenedioxymethamphetamine - noun a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States
  • Metrorrhagia - noun bleeding from the uterus that is not due to menstruation; usually indicative of disease (as cervical cancer)
  • mg - noun one thousandth (1/1,000) gram a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
  • MG - noun one thousandth (1/1,000) gram a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
  • myasthenia gravis - noun a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions
  • MI - noun the syllable naming the third (mediant) note of any major scale in solmization the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory a midwestern state in north central United States in the Great Lakes region a unit of length equal to 1760 yards a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in latitude; 1,852 meters a British unit of length equivalent to 1,853.18 meters (6,082 feet) destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
  • Miasma - noun unhealthy vapors rising from the ground or other sources an unwholesome atmosphere
  • Miasmic - adj. of noxious stench from atmospheric pollution filled with vapor
  • Micro - adj. extremely small in scale or scope or capability
  • Microbe - noun a minute life form (especially a disease-causing bacterium); the term is not in technical use
  • Microcephaly - noun an abnormally small head and underdeveloped brain
  • Microscope - noun magnifier of the image of small objects
  • Microscope - noun magnifier of the image of small objects
  • compound - adj. of leaf shapes; of leaves composed of several similar parts or lobes consisting of two or more substances or ingredients or elements or parts composed of many distinct individuals united to form a whole or colony noun an enclosure of residences and other building (especially in the Orient) a whole formed by a union of two or more elements or parts (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight verb put or add together combine so as to form a whole; mix create by mixing or combining calculate principal and interest make more intense, stronger, or more marked
  • Microscope - noun magnifier of the image of small objects
  • electron - noun an elementary particle with negative charge
  • Microscope - noun magnifier of the image of small objects
  • fluorescent - adj. emitting light during exposure to radiation from an external source brilliantly colored and apparently giving off light noun a lighting fixture that uses a fluorescent lamp
  • Microscope - noun magnifier of the image of small objects
  • simple - adj. unornamented (botany) of leaf shapes; of leaves having no divisions or subdivisions having few parts; not complex or complicated or involved easy and not involved or complicated apart from anything else; without additions or modifications lacking mental capacity and devoid of subtlety exhibiting childlike simplicity and credulity noun any herbaceous plant having medicinal properties a person lacking intelligence or common sense
  • Microscopic - adj. too small to be seen except under a microscope extremely precise with great attention to details of or relating to or used in microscopy infinitely or immeasurably small
  • Microscopy - noun research with the use of microscopes
  • Microscopy - noun research with the use of microscopes
  • Microscopy - noun research with the use of microscopes
  • electron - noun an elementary particle with negative charge
  • Microsurgery - noun surgery using operating microscopes and miniaturized precision instruments to perform intricate procedures on very small structures
  • Middle ear - noun the main cavity of the ear; between the eardrum and the inner ear
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Midget - adj. very small noun a person who is markedly small
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • certified - adj. endorsed authoritatively as having met certain requirements holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill having quality or payment or delivery guaranteed fit to be certified as insane (and treated accordingly)
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • empirical - adj. derived from experiment and observation rather than theory relying on medical quackery
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • lay - adj. not of or from a profession concerning those not members of the clergy noun a narrative poem of popular origin a narrative song with a recurrent refrain verb put in a horizontal position lay eggs prepare or position for action or operation impose as a duty, burden, or punishment put into a certain place or abstract location
  • Midwife - noun a woman skilled in aiding the delivery of babies
  • traditional - adj. consisting of or derived from tradition pertaining to time-honored orthodox doctrines
  • Mifepristone - noun an abortion-inducing drug (trade name RU_486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • abdominal - adj. of or relating to or near the abdomen noun the muscles of the abdomen
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • classic - adj. characteristic of the classical artistic and literary traditions adhering to established standards and principles noun a creation of the highest excellence an artist who has created classic works
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • common - adj. having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual belonging to or participated in by a community as a whole; public commonly encountered being or characteristic of or appropriate to everyday language of or associated with the great masses of people to be expected; standard common to or shared by two or more parties lacking refinement or cultivation or taste of low or inferior quality or value noun a piece of open land for recreational use in an urban area
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • menstrual - adj. of or relating to menstruation or the menses
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • ocular - adj. able to be seen relating to or using sight of or relating to or resembling the eye noun combination of lenses at the viewing end of optical instruments
  • Migraine - noun a severe recurring vascular headache; occurs more frequently in women than men
  • ophthalmic - adj. of or relating to ophthalmology of or relating to the eye
  • Miliary tuberculosis - noun acute tuberculosis characterized by the appearance of tiny tubercles on one or more organs of the body (presumably resulting from tubercle bacilli being spread in the bloodstream)
  • cow - noun mature female of mammals of which the male is called `bull' female of domestic cattle: "`moo-cow' is a child's term" a large unpleasant woman verb subdue, restrain, or overcome by affecting with a feeling of awe; frighten (as with threats)
  • Milk - noun produced by mammary glands of female mammals for feeding their young a white nutritious liquid secreted by mammals and used as food by human beings any of several nutritive milklike liquids a river that rises in the Rockies in northwestern Montana and flows eastward to become a tributary of the Missouri River verb take milk from female mammals add milk to exploit as much as possible
  • Milligram - noun one thousandth (1/1,000) gram
  • Mimesis - noun the imitative representation of nature and human behavior in art and literature the representation of another person's words in a speech any disease that shows symptoms characteristic of another disease
  • Mimetic - adj. exhibiting mimicry characterized by or of the nature of or using mimesis
  • Minamata disease - noun a form of mercury poisoning among people who ate fish from mercury-contaminated waters of Minamata Bay off Japan in the 1950s; characterized by severe neurological degeneration
  • Mind - noun that which is responsible for one's thoughts and feelings; the seat of the faculty of reason knowledge and intellectual ability attention recall or remembrance your intention; what you intend to do an opinion formed by judging something an important intellectual verb keep in mind be concerned with or about something or somebody be offended or bothered by; take offense with, be bothered by be on one's guard; be cautious or wary about; be alert to be in charge of or deal with pay close attention to; give heed to
  • infant - noun a very young child (birth to 1 year) who has not yet begun to walk or talk
  • Minor - adj. limited in size or scope inferior in number or size or amount lesser in scope or effect not of legal age of a scale or mode of your secondary field of academic concentration or specialization of lesser importance or stature or rank of lesser seriousness or danger warranting only temporal punishment nouna young person of either sex
  • Miosis - noun reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
  • Mirror - noun polished surface that forms images by reflecting light a faithful depiction or reflection verb reflect or resemble reflect as if in a mirror
  • mouth - noun the opening of a jar or bottle the externally visible part of the oral cavity on the face and the system of organs surrounding the opening the opening through which food is taken in and vocalizations emerge the point where a stream issues into a larger body of water an opening that resembles a mouth (as of a cave or a gorge) a person conceived as a consumer of food an impudent or insolent rejoinder a spokesperson (as a lawyer) verbarticulate silently; form words with the lips only touch with the mouth express in speech
  • Miscarriage - noun failure of a plan a natural loss of the products of conception
  • Miscarriage - noun failure of a plan a natural loss of the products of conception
  • multiple - adj. having or involving or consisting of more than one part or entity or individual noun the product of a quantity by an integer
  • Mite - noun any of numerous very small to minute arachnids often infesting animals or plants or stored foods a slight but appreciable addition
  • Mite - noun any of numerous very small to minute arachnids often infesting animals or plants or stored foods a slight but appreciable addition
  • dust - noun fine powdery material such as dry earth or pollen that can be blown about in the air free microscopic particles of solid material the remains of something that has been destroyed or broken up verb remove the dust from rub the dust over a surface so as to blur the outlines of a shape cover with a light dusting of a substance distribute loosely
  • Mitochondrion - noun an organelle containing enzymes responsible for producing energy
  • Mitosis - noun cell division in which the nucleus divides into nuclei containing the same number of chromosomes
  • Mitotic - adj. of or relating to or undergoing mitosis
  • Mitral valve - noun valve with two cusps; situated between the left atrium and the left ventricle
  • Mitral valve prolapse - noun cardiopathy resulting from the mitral valve not regulating the flow of blood between the left atrium and left ventricle of the heart
  • Mittelschmerz - noun pain in the area of the ovary that is felt at the time of ovulation (usually midway through the menstrual cycle)
  • mm - noun a metric unit of length equal to one thousandth of a meter
  • Modeling - noun a preliminary sculpture in wax or clay from which a finished work can be copied the act of representing something (usually on a smaller scale) sculpture produced by molding
  • chromatin - noun the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
  • Modelling - noun the act of representing something (usually on a smaller scale) a preliminary sculpture in wax or clay from which a finished work can be copied
  • chromatin - noun the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
  • Molar - adj. pertaining to large units of behavior containing one mole of a substance designating a solution containing one mole of solute per liter of solution of or pertaining to the grinding teeth in the back of a mammal's mouth noun grinding tooth with a broad crown; located behind the premolars
  • Mold - noun container into which liquid is poured to create a given shape when it hardens sculpture produced by molding a fungus that produces a superficial growth on various kinds of damp or decaying organic matter loose soil rich in organic matter the process of becoming mildewed the distinctive form in which a thing is made verb become moldy; spoil due to humidity fit tightly, follow the contours of shape or influence; give direction to make something, usually for a specific function form by pouring (e.g., wax or hot metal) into a cast or mold form in clay, wax, etc
  • Mole - noun small velvety-furred burrowing mammal having small eyes and fossorial forefeet a small congenital pigmented spot on the skin spicy sauce often containing chocolate a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away a spy who works against enemy espionage the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites
  • Molecular biology - noun the branch of biology that studies the structure and activity of macromolecules essential to life (and especially with their genetic role)
  • Molecule - noun (physics and chemistry) the simplest structural unit of an element or compound (nontechnical usage) a tiny piece of anything
  • recombinant DNA - noun genetically engineered DNA made by recombining fragments of DNA from different organisms
  • Molluscum contagiosum - noun a virus disease of the skin marked by round white swellings; transmitted from person to person (most often in children or in adults with impaired immune function)
  • Momism - noun excessive protection
  • Monaural - adj. relating to or having or hearing with only one ear
  • Mongolism - noun a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
  • Monilia - noun any of the yeastlike imperfect fungi of the genus Monilia
  • Moniliasis - noun an infection caused by fungi of the genus Monilia or Candida (especially Candida albicans)
  • oral - adj. a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression of or involving the mouth or mouth region or the surface on which the mouth is located using speech rather than writing of or relating to or affecting or for use in the mouth noun an examination conducted by word of mouth
  • Monitor - noun any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble electronic equipment that is used to check the quality or content of electronic transmissions display produced by a device that takes signals and displays them on a television screen or a computer monitor an ironclad vessel built by Federal forces to do battle with the Merrimac someone who gives a warning so that a mistake can be avoided someone who supervises (an examination) verb keep tabs on; keep an eye on; keep under surveillance
  • Mono - adj. designating sound transmission or recording or reproduction over a single channel noun an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing
  • Monoamine oxidase inhibitor - noun any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate
  • Monochromat - noun a person who is completely color-blind
  • Monochromatism - noun complete color blindness; colors can be differentiated only on the basis of brightness
  • Monoclonal - adj. forming or derived from a single clone noun any of a class of antibodies produced in the laboratory by identical offspring of a hybridoma; very specific for a particular location in the body
  • Monoclonal antibody - noun any of a class of antibodies produced in the laboratory by identical offspring of a hybridoma; very specific for a particular location in the body
  • Monocyte - noun a type of granular leukocyte that functions in the ingestion of bacteria
  • Monogenic - adj. of or relating to an inheritable character that is controlled by a single pair of genes
  • Mononucleosis - noun an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing
  • Monosodium glutamate - noun white crystalline compound used as a food additive to enhance flavor; often used in Chinese cooking
  • Monosomy - noun chromosomal abnormality consisting of the absence of one chromosome from the normal diploid number
  • Montgomery - noun the state capital of Alabama on the Mobile River English general during World War II; won victories over Rommel in North Africa and led British ground forces in the invasion of Normandy (1887-1976) Canadian novelist (1874-1942)
  • Moonflower - noun pantropical climber having white fragrant nocturnal flowers
  • Morbidity - noun an abnormally gloomy or unhealthy state of mind the relative incidence of a particular disease the quality of being unhealthful and generally bad for you
  • Morbilli - noun an acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children
  • Mordant - adj. of a substance, especially a strong acid; capable of destroying or eating away by chemical action harshly ironic or sinister noun a substance used to treat leather or other materials before dyeing; aids in dyeing process
  • Morgue - noun a building (or room) where dead bodies are kept before burial or cremation
  • Morning sickness - noun nausea early in the day; a characteristic symptom in the early months of pregnancy
  • Morphea - noun localized scleroderma
  • Morpheus - noun the Roman god of sleep and dreams
  • Morphia - noun an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain
  • Morphine - noun an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain
  • Morphology - noun the branch of biology that deals with the structure of animals and plants the branch of geology that studies the characteristics and configuration and evolution of rocks and land forms the admissible arrangement of sounds in words studies of the rules for forming admissible words
  • Mortality - noun the quality or state of being mortal the ratio of deaths in an area to the population of that area; expressed per 1000 per year
  • Mortality rate - noun the ratio of deaths in an area to the population of that area; expressed per 1000 per year
  • Mortality rate - noun the ratio of deaths in an area to the population of that area; expressed per 1000 per year
  • fetal - adj. of or relating to a fetus
  • Mortality rate - noun the ratio of deaths in an area to the population of that area; expressed per 1000 per year
  • infant - noun a very young child (birth to 1 year) who has not yet begun to walk or talk
  • Mortality rate - noun the ratio of deaths in an area to the population of that area; expressed per 1000 per year
  • maternal - adj. characteristic of a mother relating to or derived from one's mother relating to or characteristic of or befitting a parent related on the mother's side
  • Mortality rate - noun the ratio of deaths in an area to the population of that area; expressed per 1000 per year
  • neonatal - adj. relating to or affecting the infant during the first month after birth
  • Mortality - noun the quality or state of being mortal the ratio of deaths in an area to the population of that area; expressed per 1000 per year
  • infant - noun a very young child (birth to 1 year) who has not yet begun to walk or talk
  • Mosaic - adj. decorated with small pieces of colored glass or stone fitted together of or relating to Moses or the laws and writings attributed to him noun art consisting of a design made of small pieces of colored stone or glass assembly of aerial photographs forming a composite picture transducer formed by the light-sensitive surface on a television camera tube a pattern resembling a mosaic a freeware browser viral disease in solanaceous plants (tomatoes, potatoes, tobacco) resulting in mottling and often shriveling of the leaves
  • Joseph - noun (New Testament) husband of Mary and (in Christian belief) the foster father of Jesus (Old Testament) the 11th son of Jacob and one of the 12 patriarchs of Israel; Jacob gave Joseph a coat of many colors, which made his brothers jealous and they sold him into slavery in Egypt leader of the Nez Perce in their retreat from United States troops (1840-1904)
  • Mother - noun a condition that is the inspiration for an activity or situation a woman who has given birth to a child (also used as a term of address to your mother) a term of address for a mother superior a term of address for an elderly woman a stringy slimy substance consisting of yeast cells and bacteria; forms during fermentation and is added to cider or wine to produce vinegar verbcare for like a mother make children
  • Motherese - noun an adult's imitation of the speech of a young child
  • Motion sickness - noun the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle
  • Motion - noun the act of changing location from one place to another a change of position that does not entail a change of location a formal proposal for action made to a deliberative assembly for discussion and vote a state of change the use of movements (especially of the hands) to communicate familiar or prearranged signals a natural event that involves a change in the position or location of something an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object verb show, express or direct through movement
  • Motoneuron - noun a neuron conducting impulses outwards from the brain or spinal cord
  • Motor - adj. causing or able to cause motion conveying information to the muscles from the CNS noun machine that converts other forms of energy into mechanical energy and so imparts motion a nonspecific agent that imparts motion verb travel or be transported in a vehicle
  • Motor neuron - noun a neuron conducting impulses outwards from the brain or spinal cord
  • Mountain sickness - noun nausea and shortness of breath experienced by mountain climbers above ten thousand feet
  • Mountain sickness - noun nausea and shortness of breath experienced by mountain climbers above ten thousand feet
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Mourning - adj. sorrowful through loss or deprivation noun state of sorrow over the death or departure of a loved one the passionate and demonstrative activity of expressing grief
  • Mourning - adj. sorrowful through loss or deprivation noun state of sorrow over the death or departure of a loved one the passionate and demonstrative activity of expressing grief
  • public - adj. affecting the people or community as a whole not private; open to or concerning the people as a whole noun a body of people sharing some common interest people in general considered as a whole
  • Mouse - noun any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad person who is quiet or timid a swollen bruise caused by a blow to the eye verb manipulate the mouse of a computer to go stealthily or furtively
  • deer - noun distinguished from Bovidae by the male's having solid deciduous antlers
  • Mouse - noun any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad person who is quiet or timid a swollen bruise caused by a blow to the eye verb manipulate the mouse of a computer to go stealthily or furtively
  • Mouth - noun the opening of a jar or bottle the externally visible part of the oral cavity on the face and the system of organs surrounding the opening the opening through which food is taken in and vocalizations emerge the point where a stream issues into a larger body of water an opening that resembles a mouth (as of a cave or a gorge) a person conceived as a consumer of food an impudent or insolent rejoinder a spokesperson (as a lawyer) verbarticulate silently; form words with the lips only touch with the mouth express in speech
  • Mouth - noun the opening of a jar or bottle the externally visible part of the oral cavity on the face and the system of organs surrounding the opening the opening through which food is taken in and vocalizations emerge the point where a stream issues into a larger body of water an opening that resembles a mouth (as of a cave or a gorge) a person conceived as a consumer of food an impudent or insolent rejoinder a spokesperson (as a lawyer) verbarticulate silently; form words with the lips only touch with the mouth express in speech
  • dry - adj. practicing complete abstinence from alcoholic beverages lacking warmth or emotional involvement having a large proportion of strong liquor without a mucous or watery discharge humorously sarcastic or mocking (of food) eaten without a spread or sauce or other garnish having no adornment or coloration unproductive especially of the expected results used of solid substances in contrast with liquid ones lacking interest or stimulation; dull and lifeless (of liquor) having a low residual sugar content because of decomposition of sugar during fermentation not shedding tears free from liquid or moisture; lacking natural or normal moisture or depleted of water; or no longer wet not producing milk opposed to or prohibiting the production and sale of alcoholic beverages lacking moisture or volatile components noun a reformer who opposes the use of intoxicating beverages verb remove the moisture from and make dry become dry or drier
  • Mouth - noun the opening of a jar or bottle the externally visible part of the oral cavity on the face and the system of organs surrounding the opening the opening through which food is taken in and vocalizations emerge the point where a stream issues into a larger body of water an opening that resembles a mouth (as of a cave or a gorge) a person conceived as a consumer of food an impudent or insolent rejoinder a spokesperson (as a lawyer) verbarticulate silently; form words with the lips only touch with the mouth express in speech
  • trench - noun a ditch dug as a fortification having a parapet of the excavated earth any long ditch cut in the ground a long steep-sided depression in the ocean floor verb dig a trench or trenches cut a trench in, as for drainage set, plant, or bury in a trench cut or carve deeply into fortify by surrounding with trenches impinge or infringe upon
  • Movement - noun the act of changing the location of something the driving and regulating parts of a mechanism (as of a watch or clock) a major self-contained part of a symphony or sonata a natural event that involves a change in the position or location of something a group of people with a common ideology who try together to achieve certain general goals the act of changing location from one place to another a change of position that does not entail a change of location a series of actions advancing a principle or tending toward a particular end a general tendency to change (as of opinion) an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object a euphemism for defecation
  • fetal - adj. of or relating to a fetus
  • Movement - noun the act of changing the location of something the driving and regulating parts of a mechanism (as of a watch or clock) a major self-contained part of a symphony or sonata a natural event that involves a change in the position or location of something a group of people with a common ideology who try together to achieve certain general goals the act of changing location from one place to another a change of position that does not entail a change of location a series of actions advancing a principle or tending toward a particular end a general tendency to change (as of opinion) an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object a euphemism for defecation
  • saccadic - adj. of or related to the rapid movement of the eyes between points of fixation
  • MP - noun a military corps that enforces discipline and guards prisoners a member of the military police who polices soldiers and guards prisoners
  • MPH - noun the ratio of the distance traveled (in miles) to the time spent traveling (in hours) a speedometer reading for the momentary rate of travel
  • MPS - noun a widely distributed system of free and fixed macrophages derived from bone marrow
  • MRD - noun a machine-readable version of a standard dictionary; organized alphabetically
  • MRI - noun the use of nuclear magnetic resonance of protons to produce proton density images
  • MRI - noun the use of nuclear magnetic resonance of protons to produce proton density images
  • mRNA - noun the template for protein synthesis; the form of RNA that carries information from DNA in the nucleus to the ribosome sites of protein synthesis in the cell
  • MS - noun a form of address for a woman the form of a literary work submitted for publication a master's degree in science a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers
  • MS - noun a form of address for a woman the form of a literary work submitted for publication a master's degree in science a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers
  • MS - noun a form of address for a woman the form of a literary work submitted for publication a master's degree in science a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers
  • MSG - noun white crystalline compound used as a food additive to enhance flavor; often used in Chinese cooking
  • MST - noun standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States
  • Mucopolysaccharidosis - noun any of a group of genetic disorders involving a defect in the metabolism of mucopolysaccharides resulting in greater than normal levels of mucopolysaccharides in tissues
  • Mucosa - noun mucus-secreting membrane lining all body cavities or passages that communicate with the exterior
  • Mucous - adj. of or secreting or covered with or resembling mucus
  • Mucoviscidosis - noun the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure
  • Mucus - noun protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium
  • Mucus - noun protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium
  • nasal - adj. sounding as if the nose were pinched of or in or relating to the nose noun an elongated rectangular bone that forms the bridge of the nose a consonant produced through the nose with the mouth closed
  • Mule - noun hybrid offspring of a male donkey and a female horse; usually sterile a slipper that has no fitting around the heel
  • Multifactorial - adj. involving or depending on several factors or causes (especially pertaining to a condition or disease resulting from the interaction of many genes)
  • grand - adj. the most important and magnificent in adornment large and impressive in physical size or extent used of a person's appearance or behavior; befitting an eminent person of behavior that is impressive and ambitious in scale or scope of high moral or intellectual value; elevated in nature or style of or befitting a lord extraordinarily good; used especially as intensifiers rich and superior in quality noun a piano with the strings on a horizontal harp-shaped frame; usually supported by three legs
  • Multiparous - adj. producing more than one offspring at a time
  • Multiple myeloma - noun myeloma that develops in several places at the same time
  • Multiple sclerosis - noun a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers
  • Mumps - noun an acute contagious viral disease characterized by fever and by swelling of the parotid glands
  • Munchausen syndrome - noun syndrome consisting of feigning acute and dramatic illness for which no clinical evidence is ever found
  • Murine typhus - noun acute infection caused by rickettsia and transmitted by the bite of an infected flea; characterized by fever and chills and muscle aches and a rash
  • Murmur - noun a schwa that is incidental to the pronunciation of a consonant a complaint uttered in a low and indistinct tone a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves verb make complaining remarks or noises under one's breath speak softly or indistinctly
  • Mus musculus - noun brownish-grey Old World mouse now a common household pest worldwide
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • Muscle relaxant - noun a drug that reduces muscle contractility by blocking the transmission of nerve impulses or by decreasing the excitability of the motor end plate or by other actions
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • abductor - noun a muscle that draws a body part away from the median line someone who unlawfully seizes and detains a victim (usually for ransom)
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • adductor - noun a muscle that draws a body part toward the median line
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • cardiac - adj. of or relating to the heart
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • ciliary - adj. of or relating to the human eyelash of or relating to cilia projecting from the surface of a cell relating to the ciliary body and associated structures of the eye
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • heart - noun a playing card in the major suit that has one or more red hearts on it an inclination or tendency of a certain kind the courage to carry on the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body the locus of feelings and intuitions a firm rather dry variety meat (usually beef or veal) a plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines the choicest or most essential or most vital part of some idea or experience a positive feeling of liking an area that is approximately central within some larger region
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • papillary - adj. of or relating to or resembling papilla
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • psoas - noun either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • Muscle - noun authority or power or force (especially when used in a coercive way) animal tissue consisting predominantly of contractile cells one of the contractile organs of the body possessing muscular strength a bully employed as a thug or bodyguard verb make one's way by force
  • teres minor - noun teres muscle that adducts the arm and rotates it laterally
  • abdominal - adj. of or relating to or near the abdomen noun the muscles of the abdomen
  • Muscular - adj. having or suggesting great physical power or force of or relating to or consisting of muscle having a robust muscular body-build characterized by predominance of structures (bone and muscle and connective tissue) developed from the embryonic mesodermal layer (of a person) possessing physical strength and weight; rugged and powerful
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • congenital - adj. present at birth but not necessarily hereditary; acquired during fetal development
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • distal - adj. situated farthest from point of attachment or origin, as of a limb or bone directed away from the midline or mesial plane of the body
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • myotonic - adj. of or relating to or caused by myotonia
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • tibial - adj. relating to or located near a tibia
  • Muscular dystrophy - noun any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
  • Musculus - noun one of the contractile organs of the body
  • Mustard - noun leaves eaten as cooked greens pungent powder or paste prepared from ground mustard seeds any of several cruciferous plants of the genus Brassica
  • Arabidopsis thaliana - noun a small invasive self-pollinating weed with small white flowers; much studied by plant geneticists; the first higher plant whose complete genome sequence was described
  • genome - noun the ordering of genes in a haploid set of chromosomes of a particular organism; the full DNA sequence of an organism
  • Mustard plaster - noun a plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient
  • Mutagen - noun any agent (physical or environmental) that can induce a genetic mutation or can increase the rate of mutation
  • Mutagenesis - noun an event capable of causing a mutation
  • Mutant - adj. tending to undergo or resulting from mutation noun an animal that has undergone mutation (biology) an organism that has characteristics resulting from chromosomal alteration
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • acquired - adj. gotten through environmental forces
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • hereditary - adj. inherited or inheritable by established rules (usually legal rules) of descent tending to occur among members of a family usually by heredity
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • nonsense - adj. having no intelligible meaning noun a message that seems to convey no meaning ornamental objects of no great value
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • null - adj. lacking any legal or binding force noun a quantity of no importance
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • point - noun sharp end a wall socket the gun muzzle's direction an outstanding characteristic a distinguishing or individuating characteristic the property of a shape that tapers to a sharp tip a geometric element that has position but no extension the object of an activity a brief version of the essential meaning of something a V-shaped mark at one end of an arrow pointer the precise location of something; a spatially limited location a promontory extending out into a large body of water the unit of counting in scoring a game or contest a linear unit used to measure the size of type; approximately 1/72 inch a style in speech or writing that arrests attention and has a penetrating or convincing quality or effect a V shape a very small circular shape an instant of time a contact in the distributor; as the rotor turns its projecting arm contacts them and current flows to the spark plugs an isolated fact that is considered separately from the whole a distinct part that can be specified separately in a group of things that could be enumerated on a list a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations any of 32 horizontal directions indicated on the card of a compass a specific identifiable position in a continuum or series or especially in a process verb repair the joints of bricks be positionable in a specified manner mark (a psalm text) to indicate the points at which the music changes mark with diacritics mark (Hebrew words) with diacritics give a point to be a signal for or a symptom of indicate a place, direction, person, or thing; either spatially or figuratively intend (something) to move towards a certain goal direct into a position for use sail close to the wind direct the course; determine the direction of travelling be oriented
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • private - adj. concerning things deeply private and personal confined to particular persons or groups or providing privacy not expressed concerning one person exclusively noun an enlisted man of the lowest rank
  • Mutation - noun a change or alteration in form or qualities (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism (biology) an organism that has characteristics resulting from chromosomal alteration
  • somatic - adj. affecting or characteristic of the body as opposed to the mind or spirit
  • Mute - adj. expressed without speech; especially because words would be inappropriate or inadequate lacking power of speech unable to speak because of hereditary deafness noun a device used to soften the tone of a musical instrument a deaf person who is unable to speak verb deaden (a sound or noise), especially by wrapping
  • Mutism - noun the condition of being unable or unwilling to speak
  • Mutism - noun the condition of being unable or unwilling to speak
  • Mutism - noun the condition of being unable or unwilling to speak
  • elective - adj. subject to popular election not compulsory noun a course that the student can select from among alternatives
  • MVP - noun the player judged to be the most important to the sport
  • Myalgia - noun pain in a muscle or group of muscles
  • Myalgia - noun pain in a muscle or group of muscles
  • epidemic - adj. (especially of medicine) of disease or anything resembling a disease; attacking or affecting many individuals in a community or a population simultaneously noun a widespread outbreak of an infectious disease; many people are infected at the same time
  • Myasthenia gravis - noun a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions
  • Mycelium - noun the vegetative part of a fungus consisting of a mass of branching threadlike hyphae
  • Mycobacteria - noun rod-shaped bacteria some saprophytic or causing diseases
  • Mycobacterium - noun rod-shaped bacteria some saprophytic or causing diseases
  • Mycoplasma - noun any of a group of small parasitic bacteria that lack a cell walls and can survive without oxygen; can cause pneumonia and urinary tract infection
  • Mycotoxin - noun a toxin produced by a fungus
  • Mydriasis - noun reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
  • Myelin - noun a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
  • Myelinization - noun the development of a myelin sheath around a nerve fiber
  • Myelitis - noun inflammation of the spinal cord
  • Myelitis - noun inflammation of the spinal cord
  • transverse - adj. extending or lying across; in a crosswise direction; at right angles to the long axis
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Myelogram - noun X-ray film of the spinal cord and spinal nerve roots and subarachnoid space
  • Myeloid - adj. of or relating to bone marrow of or relating to the spinal cord
  • Myeloid leukemia - noun chronic leukemia characterized by granular leukocytes; more common in older people
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Myeloma - noun a tumor of the bone marrow (usually malignant) composed of cells normally found in bone marrow
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Myocardial infarction - noun destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
  • Myocardial infarction - noun destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Myocarditis - noun inflammation of the myocardium (the muscular tissue of the heart)
  • Myocarditis - noun inflammation of the myocardium (the muscular tissue of the heart)
  • viral - adj. relating to or caused by a virus
  • Myocardium - noun the middle muscular layer of the heart wall
  • Myoclonus - noun a clonic spasm of a muscle or muscle group
  • cardiac - adj. of or relating to the heart
  • Myoglobin - noun a hemoprotein that receives oxygen from hemoglobin and stores it in the tissues until needed
  • Myoglobin - noun a hemoprotein that receives oxygen from hemoglobin and stores it in the tissues until needed
  • Myoma - noun a benign tumor composed of muscle tissue
  • Myometrium - noun the smooth muscle forming the wall of the uterus
  • Myopathy - noun any pathology of the muscles that is not attributable to nerve dysfunction
  • Myopathy - noun any pathology of the muscles that is not attributable to nerve dysfunction
  • Myopia - noun (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
  • Myositis - noun inflammation of muscle tissue
  • Myotonic dystrophy - noun a severe form of muscular dystrophy marked by generalized weakness and muscular wasting that affects the face and feet and hands and neck; difficult speech and difficulty with the hands that spreads to the arms and shoulders and legs and hips; the onset can be any time from birth to middle age and the progression is slow; inheritance is autosomal dominant
  • proximal - adj. situated nearest to point of attachment or origin
  • Myriad - adj. too numerous to be counted noun a large indefinite number
  • Myringotomy - noun surgical incision into the eardrum (to relieve pressure or release pus from the middle ear)
  • Myxedema - noun hypothyroidism marked by dry skin and swellings around lips and nose as well as mental deterioration
  • infantile - adj. being or befitting or characteristic of an infant of or relating to infants or infancy indicating a lack of maturity
  • Myxoma - noun a benign tumor of connective tissue containing jellylike material

Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

N

  • Na - noun a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
  • sodium - noun a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
  • Nadir - noun the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected an extreme state of adversity; the lowest point of anything
  • Nail - noun a thin pointed piece of metal that is hammered into materials as a fastener horny plate covering and protecting part of the dorsal surface of the digits a former unit of length for cloth equal to 1/16 of a yard verb attach something somewhere by means of nails complete a pass take into custody hit hard locate exactly succeed at easily succeed in obtaining a position
  • fungal - adj. of or relating to fungi
  • Naloxone - noun a potent narcotic antagonist (trade name Narcan) especially effective with morphine
  • Nanism - noun a genetic abnormality resulting in short stature
  • Nanny - noun female goat a woman who is the custodian of children
  • Narcan - noun a potent narcotic antagonist (trade name Narcan) especially effective with morphine
  • Narcolepsy - noun a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep
  • Narcotic - adj. inducing mental lethargy inducing stupor or narcosis of or relating to or designating narcotics noun a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction
  • Naris - noun any of the openings to the nasal cavities that allow air to flow through the cavities to the pharynx
  • Nasal - adj. sounding as if the nose were pinched of or in or relating to the nose noun an elongated rectangular bone that forms the bridge of the nose a consonant produced through the nose with the mouth closed
  • Nasal decongestant - noun a decongestant that provides temporary relief of nasal symptoms of the common cold and rhinitis and upper respiratory infections
  • Nasal septum - noun a partition of bone and cartilage between the nasal cavities
  • NASH - noun United States writer noted for his droll epigrams (1902-1971)
  • Nasopharynx - noun cavity forming the upper part of the pharynx
  • Lung - noun either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
  • National Institutes of Health - noun an agency in the Department of Health and Human Services whose mission is to employ science in the pursuit of knowledge to improve human health; is the principal biomedical research agency of the federal government
  • NIH - noun an agency in the Department of Health and Human Services whose mission is to employ science in the pursuit of knowledge to improve human health; is the principal biomedical research agency of the federal government
  • Natriuresis - noun the presence of abnormally large amounts of sodium in the urine
  • Natural family planning - noun any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle
  • Natural immunity - noun immunity to disease that occurs as part of an individual's natural biologic makeup
  • Nature - noun the complex of emotional and intellectual attributes that determine a person's characteristic actions and reactions the essential qualities or characteristics by which something is recognized a particular type of thing the natural physical world including plants and animals and landscapes etc. a causal agent creating and controlling things in the universe
  • journal - noun the part of the axle contained by a bearing a record book as a physical object a periodical dedicated to a particular subject a daily written record of (usually personal) experiences and observations a ledger in which transactions have been recorded as they occurred
  • Naturopath - noun a therapist who practices naturopathy
  • Naturopathy - noun a method of treating disease using food and exercise and heat to assist the natural healing process
  • Nausea - noun disgust so strong it makes you feel sick the state that precedes vomiting
  • Navel - noun scar where the umbilical cord was attached the center point or middle of something
  • ND - noun a state of north central United States bordering on Canada a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
  • Neanderthal - adj. relating to or belonging to or resembling Neanderthal man ill-mannered and coarse and contemptible in behavior or appearance noun extinct robust human of Middle Paleolithic in Europe and western Asia
  • Nearsightedness - noun (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
  • heated - adj. made warm or hot (`het' is a dialectal variant of `heated') marked by emotional heat; vehement
  • Nebulizer - noun a dispenser that turns a liquid (such as perfume) into a fine mist
  • Neck - noun an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck the part of an organism that connects the head to the rest of the body a cut of meat from the neck of an animal a narrow elongated projecting strip of land verbkiss, embrace, or fondle with sexual passion
  • Neck - noun an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck the part of an organism that connects the head to the rest of the body a cut of meat from the neck of an animal a narrow elongated projecting strip of land verbkiss, embrace, or fondle with sexual passion
  • Neck - noun an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck the part of an organism that connects the head to the rest of the body a cut of meat from the neck of an animal a narrow elongated projecting strip of land verbkiss, embrace, or fondle with sexual passion
  • wry - adj. bent to one side humorously sarcastic or mocking
  • Necrobiosis - noun (physiology) the normal degeneration and death of living cells (as in various epithelial cells)
  • Necrobiosis lipoidica - noun skin disease marked by thin shiny patches (especially on the legs); often associated with diabetes mellitus
  • Necropsy - noun an examination and dissection of a dead body to determine cause of death or the changes produced by disease
  • Necrosis - noun the localized death of living cells (as from infection or the interruption of blood supply)
  • Necrosis - noun the localized death of living cells (as from infection or the interruption of blood supply)
  • coagulation - noun the process of forming semisolid lumps in a liquid
  • Necrotic - adj. relating to or affected by necrosis
  • Needle biopsy - noun biopsy of deep tissue that is obtained through a hollow needle
  • Negative - adj. expressing or consisting of a negation or refusal or denial having the quality of something harmful or unpleasant characterized by or displaying negation or denial or opposition or resistance; having no positive features less than zero reckoned in a direction opposite to that regarded as positive not indicating the presence of microorganisms or disease or a specific condition having a negative electric charge involving disadvantage or harm designed or tending to discredit, especially without positive or helpful suggestions noun a piece of photographic film showing an image with black and white tones reversed a reply of denial verb vote against; refuse to endorse; refuse to assent
  • false - adj. (used especially of persons) not dependable in devotion or affection; unfaithful arising from error inaccurate in pitch designed to deceive deliberately deceptive not in accordance with the fact or reality or actuality erroneous and usually accidental adopted in order to deceive not genuine or real; being an imitation of the genuine article inappropriate to reality or facts adv. in a disloyal and faithless manner
  • Neglect - noun the state of something that has been unused and neglected willful lack of care and attention failure to act with the prudence that a reasonable person would exercise under the same circumstances the trait of neglecting responsibilities and lacking concern lack of attention and due care verb leave undone or leave out fail to attend to give little or no attention to fail to do something; leave something undone
  • child - noun a young person of either sex a human offspring (son or daughter) of any age an immature childish person a member of a clan or tribe
  • Neo - adj. (used as a combining form) recent or new
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Neocortex - noun the cortical part of the neencephalon
  • Neonatal - adj. relating to or affecting the infant during the first month after birth
  • Neonate - noun a baby from birth to four weeks
  • Neonatology - noun that branch of pediatric medicine concerned with the newborn; the diagnosis and treatment of neonates
  • Neoplasia - noun the pathological process that results in the formation and growth of a tumor
  • Neoplasm - noun an abnormal new mass of tissue that serves no purpose
  • Neoplastic - adj. of or related to or having the properties of a neoplasm
  • Nephritis - noun an inflammation of the kidney
  • Nephritis - noun an inflammation of the kidney
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Nephritis - noun an inflammation of the kidney
  • Nephritis - noun an inflammation of the kidney
  • Nephritis - noun an inflammation of the kidney
  • Nephroblastoma - noun malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass
  • Nephrocalcinosis - noun renal lithiasis in which calcium deposits form in the renal parenchyma and result in reduced kidney function and blood in the urine
  • Nephrolithiasis - noun the presence of kidney stones (calculi) in the kidney
  • percutaneous - adj. through the unbroken skin; refers to medications applied directly to the skin (creams or ointments) or in time-release forms (skin patches)
  • Nephrology - noun the branch of medicine concerned with the kidney - its development and anatomy and physiology and disorders
  • Nephron - noun any of the small tubules that are the excretory units of the vertebrate kidney
  • diabetic - adj. suffering from diabetes of or relating to or causing diabetes noun someone who has diabetes
  • membranous - adj. characterized by formation of a membrane (or something resembling a membrane) relating to or made of or similar to a membrane
  • Nephrosclerosis - noun kidney disease that is usually associated with hypertension; sclerosis of the renal arterioles reduces blood flow that can lead to kidney failure and heart failure
  • Nephrosis - noun a disease affecting the kidneys a syndrome characterized by edema and large amounts of protein in the urine and usually increased blood cholesterol; usually associated with glomerulonephritis or with a complication of various systemic diseases
  • Nephrosis - noun a disease affecting the kidneys a syndrome characterized by edema and large amounts of protein in the urine and usually increased blood cholesterol; usually associated with glomerulonephritis or with a complication of various systemic diseases
  • lipoid - noun an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)
  • Nephrotic syndrome - noun a syndrome characterized by edema and large amounts of protein in the urine and usually increased blood cholesterol; usually associated with glomerulonephritis or with a complication of various systemic diseases
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve cell - noun a cell that is specialized to conduct nerve impulses
  • Nerve compression - noun harmful pressure on a nerve (especially in nerves that pass over rigid prominences); causes nerve damage and muscle weakness
  • laryngeal - adj. of or relating to or situated in the larynx
  • visual - adj. able to be seen relating to or using sight
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • abducent - adj. especially of muscles; drawing away from the midline of the body or from an adjacent part noun a small motor nerve supplying the lateral rectus muscle of the eye
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • accessory - adj. furnishing added support noun 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
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • afferent - adj. of nerves and nerve impulses; conveying sensory information from the sense organs to the CNS noun a nerve that passes impulses from receptors toward or to the central nervous system
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • efferent - adj. of nerves and nerve impulses; conveying information away from the CNS noun a nerve that conveys impulses toward or to muscles or glands
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • facial - adj. of or pertaining to the outside surface of an object of or concerning the face noun care for the face that usually involves cleansing and massage and the application of cosmetic creams cranial nerve that supplies facial muscles
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • hypoglossal - noun supplies intrinsic muscles of the tongue and other tongue muscles
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • oculomotor - noun supplies extrinsic muscles of the eye
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • optic - adj. relating to or using sight of or relating to or resembling the eye noun the organ of sight
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • pinched - adj. as if squeezed uncomfortably tight very thin especially from disease or hunger or cold sounding as if the nose were pinched not having enough money to pay for necessities
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • pressor - adj. increasing (or tending to increase) blood pressure noun any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • sciatic - adj. of or relating to the ischium (or the part of the hipbone containing it) relating to or caused by or afflicted with sciatica
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • spinal - adj. of or relating to the spine or spinal cord nounanesthesia of the lower half of the body; caused by injury to the spinal cord or by injecting an anesthetic beneath the arachnoid membrane that surrounds the spinal cord
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • trigeminal - noun the main sensory nerve of the face and motor nerve for the muscles of mastication
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • trochlear - noun either of the two cranial nerves on either side that control the superior oblique muscles of the eyes
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • vagus - noun a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera
  • Nerve - noun any bundle of nerve fibers running to various organs and tissues of the body impudent aggressiveness the courage to carry on verb get ready for something difficult or unpleasant
  • Nerves - noun control of your emotions an uneasy psychological state
  • cranial - adj. of or relating to the cranium which encloses the brain
  • Nervous system - noun the sensory and control apparatus consisting of a network of nerve cells
  • autonomic - adj. relating to or controlled by the autonomic nervous system
  • Nervous system - noun the sensory and control apparatus consisting of a network of nerve cells
  • central - adj. in or near a center or constituting a center; the inner area centrally located and easy to reach used in the description of a place that in the middle of another place serving as an essential component noun a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
  • CNS - noun the portion of the vertebrate nervous system consisting of the brain and spinal cord
  • Nervous system - noun the sensory and control apparatus consisting of a network of nerve cells
  • human - adj. having human form or attributes as opposed to those of animals or divine beings characteristic of humanity relating to a person noun any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage
  • Nervous system - noun the sensory and control apparatus consisting of a network of nerve cells
  • parasympathetic - adj. of or relating to the parasympathetic nervous system noun originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels
  • Nervous system - noun the sensory and control apparatus consisting of a network of nerve cells
  • peripheral - adj. on or near an edge or constituting an outer boundary; the outer area related to the key issue but not of central importance noun (computer science) electronic equipment connected by cable to the CPU of a computer
  • Nervous system - noun the sensory and control apparatus consisting of a network of nerve cells
  • sympathetic - adj. expressing or feeling or resulting from sympathy or compassion or friendly fellow feelings; disposed toward (of characters in literature or drama) evoking empathic or sympathetic feelings of or relating to the sympathetic nervous system having similar disposition and tastes relating to vibrations that occur as a result of vibrations in a nearby body showing or motivated by sympathy and understanding and generosity
  • Nervus ulnaris - noun a nerve running along the inner side of the arm and passing near the elbow; supplies intrinsic muscles of the hand and the skin of the medial side of the hand
  • Neural - adj. of or relating to neurons of or relating to the nervous system
  • Neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • Neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • ciliary - adj. of or relating to the human eyelash of or relating to cilia projecting from the surface of a cell relating to the ciliary body and associated structures of the eye
  • Neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • facial - adj. of or pertaining to the outside surface of an object of or concerning the face noun care for the face that usually involves cleansing and massage and the application of cosmetic creams cranial nerve that supplies facial muscles
  • Neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • Neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • Neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • Neuralgia - noun acute spasmodic pain along the course of one or more nerves
  • Neurectomy - noun surgical removal of all or part of a nerve
  • Neurinoma - noun tumor (usually benign) of the sheath surrounding a nerve
  • acoustic - adj. of or relating to the science of acoustics noun a remedy for hearing loss or deafness
  • Neuritis - noun inflammation of a nerve accompanied by pain and sometimes loss of function
  • Neuroblastoma - noun malignant tumor containing embryonic nerve cells; usually metastasizes quickly
  • Neurodermatitis - noun dermatitis in which localized areas (especially the forearms or back of the neck or outer part of the ankle) itch persistently; cause is unknown
  • Neuroendocrine - adj. of or relating to the nervous and endocrine systems (especially as they function together)
  • Neurofibromatosis - noun autosomal dominant disease characterized by numerous neurofibromas and by spots on the skin and often by developmental abnormalities
  • Neurofibromatosis - noun autosomal dominant disease characterized by numerous neurofibromas and by spots on the skin and often by developmental abnormalities
  • Neurofibromatosis - noun autosomal dominant disease characterized by numerous neurofibromas and by spots on the skin and often by developmental abnormalities
  • central - adj. in or near a center or constituting a center; the inner area centrally located and easy to reach used in the description of a place that in the middle of another place serving as an essential component noun a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
  • Neurogenic - adj. arising in or stimulated by nerve tissues
  • Neuroleptic - noun tranquilizer used to treat psychotic conditions when a calming effect is desired
  • Neurological - adj. of or relating to or used in or practicing neurology
  • Neurologist - noun a medical specialist in the nervous system and the disorders affecting it
  • Neurology - noun (neurology) the branch of medicine that deals with the nervous system and its disorders the branch of medical science that deals with the nervous system
  • Neuroma - noun any tumor derived from cells of the nervous system
  • Neuroma - noun any tumor derived from cells of the nervous system
  • acoustic - adj. of or relating to the science of acoustics noun a remedy for hearing loss or deafness
  • Neuroma - noun any tumor derived from cells of the nervous system
  • optic - adj. relating to or using sight of or relating to or resembling the eye noun the organ of sight
  • Neuromuscular - adj. affecting or characteristic of both neural and muscular tissue
  • Neuron - noun a cell that is specialized to conduct nerve impulses
  • Neuron - noun a cell that is specialized to conduct nerve impulses
  • arcuate - adj. forming or resembling an arch
  • Neuron - noun a cell that is specialized to conduct nerve impulses
  • sensory - adj. involving or derived from the senses of a nerve fiber or impulse originating outside and passing toward the central nervous system relating to or concerned in sensation
  • Neuron - noun a cell that is specialized to conduct nerve impulses
  • spindle - noun a stick or pin used to twist the yarn in spinning any of various rotating shafts that serve as axes for larger rotating parts (biology) tiny fibers that are seen in cell division; the fibers radiate from two poles and meet at the equator in the middle
  • vestibular - adj. relating to the sense of equilibrium
  • Neuropathy - noun any pathology of the peripheral nerves
  • Neuropathy - noun any pathology of the peripheral nerves
  • accessory - adj. furnishing added support noun 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
  • Neuropathy - noun any pathology of the peripheral nerves
  • Neuropathy - noun any pathology of the peripheral nerves
  • diabetic - adj. suffering from diabetes of or relating to or causing diabetes noun someone who has diabetes
  • Neuropathy - noun any pathology of the peripheral nerves
  • hypoglossal - noun supplies intrinsic muscles of the tongue and other tongue muscles
  • Neuroscience - noun the scientific study of the nervous system
  • Neuroscientist - noun a neurobiologist who specializes in the study of the brain
  • Neurosis - noun a mental or personality disturbance not attributable to any known neurological or organic dysfunction
  • Neurosis - noun a mental or personality disturbance not attributable to any known neurological or organic dysfunction
  • Neurosurgeon - noun someone who does surgery on the nervous system (especially the brain)
  • tabes - noun wasting of the body during a chronic disease
  • Neurotoxic - adj. poisonous to nerves or nerve cells
  • Neurotoxin - noun any toxin that affects neural tissues
  • Neutropenia - noun leukopenia in which the decrease is primarily in number of neutrophils (the chief phagocytic leukocyte)
  • Neutropenia - noun leukopenia in which the decrease is primarily in number of neutrophils (the chief phagocytic leukocyte)
  • Neutrophil - noun the chief phagocytic leukocyte; stains with either basic or acid dyes
  • Nevus - noun a blemish on the skin that is formed before birth
  • New - adj. unfamiliar having no previous example or precedent or parallel (of crops) harvested at an early stage of development; before complete maturity in use after medieval times not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered other than the former one(s); different unaffected by use or exposure used of a living language; being the current stage in its development lacking training or experience original and of a kind not seen before (of a new kind or fashion) gratuitously new adv. very recently
  • Nexus - noun a connected series or group the means of connection between things linked in series
  • NG - noun one billionth (1/1,000,000,000) gram
  • NGF - noun a protein that is involved in the growth of peripheral nerve cells
  • Niacin - noun a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
  • Nickel - noun a United States coin worth one twentieth of a dollar five dollars worth of a drug a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite verb plate with nickel
  • Nicotiana tabacum - noun tall erect South American herb with large ovate leaves and terminal clusters of tubular white or pink flowers; cultivated for its leaves
  • Nicotine - noun an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide
  • Nicotinic acid - noun a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
  • NICU - noun an intensive care unit designed with special equipment to care for premature or seriously ill newborn
  • Nidus - noun a nest in which spiders or insects deposit their eggs a central point or locus of an infection in an organism
  • Night blindness - noun inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
  • NIH - noun an agency in the Department of Health and Human Services whose mission is to employ science in the pursuit of knowledge to improve human health; is the principal biomedical research agency of the federal government
  • Ninth cranial nerve - noun sensory nerve to the pharynx and back of the tongue; motor fibers innervate muscles that elevate the pharynx and larynx; includes parasympathetic fibers to the otic ganglion
  • Nipple - noun a flexible cap on a baby's feeding bottle or pacifier the small projection of a mammary gland
  • Nipple shield - noun a rubber or plastic shield to protect the nipples of nursing women
  • Nipple - noun a flexible cap on a baby's feeding bottle or pacifier the small projection of a mammary gland
  • supernumerary - adj. more than is needed, desired, or required noun a minor actor in crowd scenes a person serving no apparent function
  • Nit - noun egg or young of an insect parasitic on mammals especially a sucking louse; often attached to a hair or item of clothing a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source
  • Nitrogen - noun a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  • Nitrogen narcosis - noun confused or stuporous state caused by high levels of dissolved nitrogen in the blood
  • Nitrogen - noun a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  • liquid - adj. clear and bright smooth and flowing in quality; entirely free of harshness existing as or having characteristics of a liquid; especially tending to flow filled or brimming with tears in cash or easily convertible to cash smooth and unconstrained in movement changed from a solid to a liquid state noun a frictionless continuant that is not a nasal consonant (especially `l' and `r') the state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility a substance in the fluid state of matter having no fixed shape but a fixed volume a substance that is liquid at room temperature and pressure
  • Nitrous oxide - noun inhalation anesthetic used as an anesthetic in dentistry and surgery
  • laughing gas - noun inhalation anesthetic used as an anesthetic in dentistry and surgery
  • NMR - noun resonance of protons to radiation in a magnetic field
  • No-show - noun someone who shirks duty a guest who fails to notify a hotel or restaurant when canceling a reservation
  • Nocturia - noun excessive urination at night; especially common in older men
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • atrioventricular - adj. relating to or affecting the atria and ventricles of the heart
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • AV - noun the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • SA - noun Nazi militia created by Hitler in 1921 that helped him to power but was eclipsed by the SS after 1943
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • Node - noun (computer science) any computer that is hooked up to a computer network any bulge or swelling of an anatomical structure or part (astronomy) a point where an orbit crosses a plane (physics) the point of minimum displacement in a periodic system any thickened enlargement a connecting point at which several lines come together the source of lymph and lymphocytes
  • sinus - noun any of various air-filled cavities especially in the bones of the skull a wide channel containing blood; does not have the coating of an ordinary blood vessel an abnormal passage leading from a suppurating cavity to the body surface
  • Nodular - adj. having nodules or occurring in the form of nodules relating to or characterized by or having nodules
  • Nodule - noun a small node (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment) small rounded wartlike protuberance on a plant
  • Nodule - noun a small node (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment) small rounded wartlike protuberance on a plant
  • Noisome - adj. offensively malodorous causing or able to cause nausea
  • tamoxifen - noun an antagonist for estrogen that is used in the treatment of breast cancer
  • Nomenclature - noun a system of words used to name things in a particular discipline
  • Nominal aphasia - noun inability to name objects or to recognize written or spoken names of objects
  • Nonagenarian - adj. being from 90 to 99 years old noun someone whose age is in the nineties
  • Nondisjunction - noun meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Nose - noun a front that resembles a human nose (especially the front of an aircraft) the front or forward projection of a tool or weapon the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals a natural skill the sense of smell (especially in animals) a symbol of inquisitiveness a small distance a projecting spout from which a fluid is discharged verb defeat by a narrow margin push or move with the nose advance the forward part of with caution rub noses catch the scent of; get wind of search or inquire in a meddlesome way
  • Nose job - noun cosmetic surgery to improve the appearance of your nose
  • Nose - noun a front that resembles a human nose (especially the front of an aircraft) the front or forward projection of a tool or weapon the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals a natural skill the sense of smell (especially in animals) a symbol of inquisitiveness a small distance a projecting spout from which a fluid is discharged verb defeat by a narrow margin push or move with the nose advance the forward part of with caution rub noses catch the scent of; get wind of search or inquire in a meddlesome way
  • runny - adj. characteristic of a fluid; capable of flowing and easily changing shape
  • Nosocomial - adj. taking place or originating in a hospital
  • Nosology - noun the branch of medical science dealing with the classification of disease
  • Nostradamus - noun French astrologer who wrote cryptic predictions whose interpretations are still being debated (1503-1566)
  • Nostril - noun either one of the two external openings to the nasal cavity in the nose
  • Nostrum - noun patent medicine whose efficacy is questionable hypothetical remedy for all ills or diseases; once sought by the alchemists
  • NP - noun a registered nurse who has received special training and can perform many of the duties of a physician a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium
  • NREM sleep - noun a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time
  • NSAID - noun an anti-inflammatory drug that does not contain steroids
  • Nuclear family - noun a family consisting of parents and their children and grandparents of a marital partner
  • Nuclear medicine - noun the branch of medicine that uses radioactive materials either to image a patient's body or to destroy diseased cells
  • basal - adj. of primary importance serving as or forming a base especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
  • Nucleic acid - noun (biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cells
  • Nucleotide - noun a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
  • Nucleus - noun a part of the cell containing DNA and RNA and responsible for growth and reproduction any histologically identifiable mass of neural cell bodies in the brain or spinal cord the positively charged dense center of an atom (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail a small group of indispensable persons or things
  • Nucleus - noun a part of the cell containing DNA and RNA and responsible for growth and reproduction any histologically identifiable mass of neural cell bodies in the brain or spinal cord the positively charged dense center of an atom (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail a small group of indispensable persons or things
  • arcuate - adj. forming or resembling an arch
  • Nucleus - noun a part of the cell containing DNA and RNA and responsible for growth and reproduction any histologically identifiable mass of neural cell bodies in the brain or spinal cord the positively charged dense center of an atom (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail a small group of indispensable persons or things
  • caudate - adj. having a tail or taillike appendage of a leaf shape; tapering gradually into a long taillike tip noun amphibians that resemble lizards a tail-shaped basal ganglion located in a lateral ventricle of the brain
  • Nude mouse - noun a mouse with a genetic defect that prevents them from growing hair and also prevents them from immunologically rejecting human cells and tissues; widely used in preclinical trials
  • Nullipara - noun (obstetrics) a woman who has never give birth to a child
  • Numb - adj. so frightened as to be unable to move; stunned or paralyzed with terror lacking sensation (followed by `to') not showing human feeling or sensitivity; unresponsive verb make numb or insensitive
  • Numbness - noun partial or total lack of sensation in a part of the body; a symptom of nerve damage or dysfunction the trait of lacking enthusiasm for or interest in things generally
  • Numb - adj. so frightened as to be unable to move; stunned or paralyzed with terror lacking sensation (followed by `to') not showing human feeling or sensitivity; unresponsive verb make numb or insensitive
  • Nurse - noun one skilled in caring for young children or the sick (usually under the supervision of a physician) a woman who is the custodian of children verb try to cure by special care of treatment, of an illness or injury treat carefully serve as a nurse; care for sick or handicapped people give suck to maintain (a theory, thoughts, or feelings)
  • Nurse practitioner - noun a registered nurse who has received special training and can perform many of the duties of a physician
  • Nurse - noun one skilled in caring for young children or the sick (usually under the supervision of a physician) a woman who is the custodian of children verb try to cure by special care of treatment, of an illness or injury treat carefully serve as a nurse; care for sick or handicapped people give suck to maintain (a theory, thoughts, or feelings)
  • Nurse - noun one skilled in caring for young children or the sick (usually under the supervision of a physician) a woman who is the custodian of children verb try to cure by special care of treatment, of an illness or injury treat carefully serve as a nurse; care for sick or handicapped people give suck to maintain (a theory, thoughts, or feelings)
  • Nurse - noun one skilled in caring for young children or the sick (usually under the supervision of a physician) a woman who is the custodian of children verb try to cure by special care of treatment, of an illness or injury treat carefully serve as a nurse; care for sick or handicapped people give suck to maintain (a theory, thoughts, or feelings)
  • registered - adj. (of a boat or vessel) furnished with necessary official documents specifying ownership etc listed or recorded officially (of animals) officially recorded with or certified by a recognized breed association; especially in a stud book
  • Nurse-midwife - noun a registered nurse who has received special training as a midwife
  • Nursing - noun the work of caring for the sick or injured or infirm nourishing at the breast the profession of a nurse
  • Nursing home - noun an institution where people are cared for
  • Nutrition - noun the scientific study of food and drink (especially in humans) (physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance a source of materials to nourish the body
  • Nyctalopia - noun inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
  • Nymph - noun a larva of an insect with incomplete metamorphosis (as the dragonfly or mayfly) (classical mythology) a minor nature goddess usually depicted as a beautiful maiden a voluptuously beautiful young woman
  • Nystagmus - noun involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders

Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

O

  • OB - noun a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea the branch of medicine dealing with childbirth and care of the mother
  • OB - noun a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea the branch of medicine dealing with childbirth and care of the mother
  • Obese - adj. excessively fat
  • Obesity - noun more than average fatness
  • Obesity - noun more than average fatness
  • endogenous - adj. derived or originating internally of or resembling an endogen
  • Obesity - noun more than average fatness
  • exogenous - adj. derived or originating externally
  • Obesity - noun more than average fatness
  • Objective - adj. belonging to immediate experience of actual things or events undistorted by emotion or personal bias; based on observable phenomena emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes nounthe lens or system of lenses in a telescope or microscope that is nearest the object being viewed the goal intended to be attained (and which is believed to be attainable)
  • Obstetrics - noun the branch of medicine dealing with childbirth and care of the mother
  • Obstruction - noun getting in someone's way the act of obstructing any structure that makes progress difficult the state or condition of being obstructed something immaterial that stands in the way and must be circumvented or surmounted
  • Obstruction - noun getting in someone's way the act of obstructing any structure that makes progress difficult the state or condition of being obstructed something immaterial that stands in the way and must be circumvented or surmounted
  • airway - noun a commercial enterprise that provides scheduled flights for passengers a duct that provides ventilation (as in mines) the passages through which air enters and leaves the body a designated route followed by airplanes in flying from one airport to another
  • Obstruction - noun getting in someone's way the act of obstructing any structure that makes progress difficult the state or condition of being obstructed something immaterial that stands in the way and must be circumvented or surmounted
  • intestinal - adj. of or relating to or inside the intestines
  • Obtund - verb reduce the edge or violence of
  • Obverse - noun the side of a coin or medal bearing the principal stamp or design the more conspicuous of two alternatives or cases or sides
  • Occam's razor - noun the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
  • Occipital - adj. of or relating to the occiput
  • Occipital bone - noun a saucer-shaped membrane bone that forms the back of the skull
  • Occiput - noun back part of the head or skull
  • Occlude - verb block passage through
  • Occlusion - noun (dentistry) the normal spatial relation of the teeth when the jaws are closed closure or blockage (as of a blood vessel) the act of blocking an obstruction in a pipe or tube (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
  • Occult - adj. hidden and difficult to see having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding noun supernatural practices and techniques supernatural forces and events and beings collectively verb hide from view become concealed or hidden from view or have its light extinguished cause an eclipse of (a celestial body) by intervention
  • Occupational disease - noun disease or disability resulting from conditions of employment (usually from long exposure to a noxious substance or from continuous repetition of certain acts)
  • Ochronosis - noun an accumulation of dark pigment in cartilage and other connective tissue; usually a symptom of alkaptonuria or phenol poisoning
  • Octogenarian - adj. being from 80 to 89 years old noun someone whose age is in the eighties
  • Ocular - adj. able to be seen relating to or using sight of or relating to or resembling the eye noun combination of lenses at the viewing end of optical instruments
  • OD - noun the right eye a doctor's degree in optometry
  • Odynophagia - noun severe pain on swallowing due to a disorder of the esophagus
  • Oesophagus - noun the passage between the pharynx and the stomach
  • Offspring - noun something that comes into existence as a result the immediate descendants of a person any immature animal
  • Oil - noun oil paint containing pigment that is used by an artist a slippery or viscous liquid or liquefiable substance not miscible with water any of a group of liquid edible fats that are obtained from plants verb cover with oil, as if by rubbing administer an oil or ointment to ; often in a religious ceremony of blessing
  • tropical - adj. of weather or climate; hot and humid as in the tropics characterized by or of the nature of a trope or tropes; changed from its literal sense relating to or situated in or characteristic of the tropics (the region on either side of the equator) of or relating to the tropics, or either tropic
  • Ointment - noun semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation toiletry consisting of any of various substances in the form of a thick liquid that have a soothing and moisturizing effect when applied to the skin
  • Olecranon - noun process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended
  • Olfaction - noun the faculty that enables us to distinguish scents
  • Olfactory bulb - noun one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities
  • Olfactory nerve - noun a collective term for numerous olfactory filaments in the nasal mucosa
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Oligodactyly - noun congenital condition in which some fingers or toes are missing
  • Oliguria - noun production of an abnormally small amount of urine abnormally small production of urine; can be a symptom of kidney disease or obstruction of the urinary tract or edema or an imbalance of fluids and electrolytes in the body
  • Olive - adj. of a yellow-green color similar to that of an unripe olive noun a yellow-green color of low brightness and saturation one-seeded fruit of the European olive tree usually pickled and used as a relish hard yellow often variegated wood of an olive tree; used in cabinetwork evergreen tree cultivated in the Mediterranean region since antiquity and now elsewhere; has edible shiny black fruits small ovoid fruit of the European olive tree; important food and source of oil
  • Sr - noun the unit of solid angle adopted under the Systeme International d'Unites a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
  • Omentum - noun a fold of peritoneum supporting the viscera
  • Omniscience - noun the state of being omniscient; having infinite knowledge
  • Omphalocele - noun protrusion of the intestine and omentum through a hernia in the abdominal wall near the navel; usually self correcting after birth
  • Omphalos - noun scar where the umbilical cord was attached
  • World Health Organization - noun a United Nations agency to coordinate international health activities and to help governments improve health services
  • Onchocerciasis - noun infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
  • Oncogene - noun a gene that causes normal cells to change into cancerous tumor cells
  • Oncology - noun the branch of medicine concerned with the study and treatment of tumors
  • Oneiric - adj. of or relating to or suggestive of dreams
  • Onset - noun the beginning or early stages (military) an offensive against an enemy (using weapons)
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Onycholysis - noun separation of a nail from its normal attachment to the nail bed
  • Oocyte - noun a female gametocyte that develops into an ovum after two meiotic divisions
  • Oophoritis - noun inflammation of one or both ovaries
  • Open fracture - noun bone fracture associated with lacerated soft tissue or an open wound
  • Opening - adj. first or beginning noun the act of opening something becoming open or being made open a recognized sequence of moves at the beginning of a game of chess a vacant or unobstructed space that is man-made the initial part of the introduction the first performance (as of a theatrical production) a ceremony accompanying the start of some enterprise an open or empty space in or between things opportunity especially for employment or promotion the first of a series of actions an entrance equipped with a hatch; especially a passageway between decks of a ship an aperture or hole that opens into a bodily cavity a possible alternative
  • vaginal - adj. of or relating to the vagina
  • Operating room - noun a room in a hospital equipped for the performance of surgical operations
  • Operation - noun the activity of operating something (a machine or business etc.) a planned activity involving many people performing various actions a process or series of acts especially of a practical or mechanical nature involved in a particular form of work a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body activity by a military or naval force (as a maneuver or campaign) a business especially one run on a large scale (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) process or manner of functioning or operating the state of being in effect or being operative (mathematics) calculation by mathematical methods (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
  • Operation - noun the activity of operating something (a machine or business etc.) a planned activity involving many people performing various actions a process or series of acts especially of a practical or mechanical nature involved in a particular form of work a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body activity by a military or naval force (as a maneuver or campaign) a business especially one run on a large scale (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) process or manner of functioning or operating the state of being in effect or being operative (mathematics) calculation by mathematical methods (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
  • Operation - noun the activity of operating something (a machine or business etc.) a planned activity involving many people performing various actions a process or series of acts especially of a practical or mechanical nature involved in a particular form of work a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body activity by a military or naval force (as a maneuver or campaign) a business especially one run on a large scale (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) process or manner of functioning or operating the state of being in effect or being operative (mathematics) calculation by mathematical methods (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
  • Glenn - noun made the first orbital rocket-powered flight by a United States astronaut in 1962; later in United States Senate (1921-)
  • Operation - noun the activity of operating something (a machine or business etc.) a planned activity involving many people performing various actions a process or series of acts especially of a practical or mechanical nature involved in a particular form of work a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body activity by a military or naval force (as a maneuver or campaign) a business especially one run on a large scale (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) process or manner of functioning or operating the state of being in effect or being operative (mathematics) calculation by mathematical methods (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
  • Operon - noun a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene
  • Ophthalmic - adj. of or relating to ophthalmology of or relating to the eye
  • Ophthalmic artery - noun a branch of the internal carotid artery that supplies the eye and neighboring structures
  • Ophthalmologist - noun a medical doctor specializing in the treatment of diseases of the eye
  • Ophthalmology - noun the branch of medicine concerned with the eye and its diseases
  • Ophthalmoscope - noun medical instrument for examining the retina of the eye
  • Ophthalmoscopy - noun examination of the interior of an eye using an ophthalmoscope
  • Opiate - noun a narcotic drug that contains opium or an opium derivative
  • Opisthotonos - noun severe spasm in which the back arches and the head bends back and heels flex toward the back
  • Opium - noun an addictive narcotic extracted from seed capsules of the opium poppy
  • Opportunistic infection - noun any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs)
  • Optic - adj. relating to or using sight of or relating to or resembling the eye noun the organ of sight
  • Optic cup - noun (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
  • Optic disc - noun the point where the optic nerve enters the retina; not sensitive to light
  • Optic nerve - noun the cranial nerve that serves the retina
  • Optician - noun a worker who makes glasses for remedying defects of vision
  • Optometrist - noun a person skilled in testing for defects of vision in order to prescribe corrective glasses
  • OPV - noun an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis
  • OR - noun a room in a hospital equipped for the performance of surgical operations a state in northwestern United States on the Pacific
  • abbreviation - noun shortening something by omitting parts of it a shortened form of a word or phrase
  • Oral - adj. a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression of or involving the mouth or mouth region or the surface on which the mouth is located using speech rather than writing of or relating to or affecting or for use in the mouth noun an examination conducted by word of mouth
  • Oral cancer - noun malignant neoplasm of the lips of mouth; most common in men over the age of 60
  • Oral contraceptive - noun a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
  • Oral contraceptive - noun a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
  • combined - adj. made or joined or united into one involving the joint activity of two or more
  • Orbit - noun the (usually elliptical) path described by one celestial body in its revolution about another the path of an electron around the nucleus of an atom an area in which something acts or operates or has power or control: "the range of a supersonic jet" the bony cavity in the skull containing the eyeball a particular environment or walk of life verb move in an orbit
  • Orbital - adj. of or relating to the eye socket of or relating to an orbit
  • Orchiectomy - noun surgical removal of one or both testicles
  • Orchiopexy - noun operation to bring an undescended testicle into the scrotum
  • Orchitis - noun inflammation of one or both testes; characterized by pain and swelling
  • Organ - noun wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard a fully differentiated structural and functional unit in an animal that is specialized for some particular function a periodical that is published by a special interest group a government agency or instrument devoted to the performance of some specific function (music) an electronic simulation of a pipe organ a free-reed instrument in which air is forced through the reeds by bellows
  • Organ of hearing - noun the part of the ear that is responsible for sensations of sound
  • Organic - adj. involving or affecting physiology or bodily organs simple and healthful and close to nature relating or belonging to the class of chemical compounds having a carbon basis being or relating to or derived from or having properties characteristic of living organisms of or relating to foodstuff grown or raised without synthetic fertilizers or pesticides or hormones of or relating to or derived from living organisms constitutional in the structure of something (especially your physical makeup) noun a fertilizer that is derived from animal or vegetable matter
  • Organic brain syndrome - noun mental abnormality resulting from disturbance of the structure or function of the brain
  • female - adj. being the sex (of plant or animal) that produces fertilizable gametes (ova) from which offspring develop for or pertaining to or composed of women or girls characteristic of or peculiar to a woman noun an animal that produces gametes (ova) that can be fertilized by male gametes (spermatozoa) a person who belongs to the sex that can have babies
  • male - adj. being the sex (of plant or animal) that produces gametes (spermatozoa) that perform the fertilizing function in generation for or pertaining to or composed of men or boys characteristic of a man noun an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova) the capital of Maldives in the center of the islands a person who belongs to the sex that cannot have babies
  • Orgasm - noun the moment of most intense pleasure in sexual intercourse
  • traditional - adj. consisting of or derived from tradition pertaining to time-honored orthodox doctrines
  • Orientation - noun the act of orienting a person's awareness of self with regard to position and time and place and personal relationships an integrated set of attitudes and beliefs position or alignment relative to points of the compass or other specific directions a course introducing a new situation or environment a predisposition in favor of something
  • Orifice - noun an aperture or hole that opens into a bodily cavity
  • Ornithine - noun an amino acid that does not occur in proteins but is important in the formation of urea
  • OTC - adj. (of securities) not quoted on a stock exchange
  • deficiency - noun lack of an adequate quantity or number the state of needing something that is absent or unavailable
  • Oropharynx - noun cavity formed by the pharynx at the back of the mouth
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Orthodontic treatment - noun dental treatment that corrects irregularities of the teeth or of the relation of the teeth to surrounding anatomy; treatment is usually by braces or mechanical aids
  • Orthodontics - noun the branch of dentistry dealing with the prevention or correction of irregularities of the teeth
  • Orthopaedics - noun the branch of medical science concerned with disorders or deformities of the spine and joints
  • Orthopaedist - noun a specialist in correcting deformities of the skeletal system (especially in children)
  • Orthopedics - noun the branch of medical science concerned with disorders or deformities of the spine and joints
  • Orthopedist - noun a specialist in correcting deformities of the skeletal system (especially in children)
  • Orthopnea - noun form of dyspnea in which the person can breathe comfortably only when standing or sitting erect; associated with asthma and emphysema and angina pectoris
  • Oryzomys palustris - noun hardy agile rat of grassy marshes of Mexico and the southeastern United States
  • Os - noun a mouth or mouthlike opening rigid connective tissue that makes up the skeleton of vertebrates the left eye (computer science) software that controls the execution of computer programs and may provide various services a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
  • OS - noun a mouth or mouthlike opening rigid connective tissue that makes up the skeleton of vertebrates the left eye (computer science) software that controls the execution of computer programs and may provide various services a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
  • OSHA - noun a government agency in the Department of Labor to maintain a safe and healthy work environment
  • plasma - noun colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons a green slightly translucent variety of chalcedony used as a gemstone
  • Osseous - adj. composed of or containing bone
  • Ossicle - noun a small bone; especially one in the middle ear
  • Ossification - noun hardened conventionality the developmental process of bone formation the process of becoming rigidly fixed in a conventional pattern of thought or behavior the calcification of soft tissue into a bonelike material
  • Ossify - verb become bony cause to become hard and bony make rigid and set into a conventional pattern
  • Osteitis - noun inflammation of a bone as a consequence of infection or trauma or degeneration
  • Osteitis deformans - noun a disease of bone occurring in the middle aged and elderly; excessive bone destruction sometimes leading to bone pain and fractures and skeletal deformities
  • prefix - noun an affix that is added in front of the word verb attach a prefix to
  • Osteoarthritis - noun chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age
  • Osteoblastoma - noun benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults)
  • Osteochondroma - noun benign tumor containing both bone and cartilage; usually occurs near the end of a long bone
  • synovial - adj. relating to or secreting synovia
  • Osteoclasis - noun treatment of a skeletal deformity by intentionally fracturing a bone
  • Osteoclast - noun cell that functions in the breakdown and resorption of bone tissue
  • Osteodystrophy - noun defective bone development; usually attributable to renal disease or to disturbances in calcium and phosphorus metabolism
  • Osteodystrophy - noun defective bone development; usually attributable to renal disease or to disturbances in calcium and phosphorus metabolism
  • renal - adj. of or relating to the kidneys
  • Osteogenesis imperfecta - noun autosomal dominant disorder of connective tissue characterized by brittle bones that fracture easily
  • Osteology - noun the branch of anatomy that studies the bones of the vertebrate skeleton
  • Osteomalacia - noun abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D
  • Osteomyelitis - noun an inflammation of bone and bone marrow (usually caused by bacterial infection)
  • Osteopath - noun a therapist who manipulates the skeleton and muscles
  • Osteopathy - noun therapy based on the assumption that restoring health is best accomplished by manipulating the skeleton and muscles
  • Osteopetrosis - noun an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated
  • Osteoporosis - noun abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women
  • Osteosarcoma - noun malignant bone tumor; most common in children and young adults where it tends to affect the femur
  • block - noun a solid piece of something (usually having flat rectangular sides) housing in a large building that is divided into separate units an inability to remember or think of something you normally can do; often caused by emotional tension a number or quantity of related things dealt with as a unit a rectangular area in a city surrounded by streets and usually containing several buildings (computer science) a sector or group of sectors that function as the smallest data unit permitted a three-dimensional shape with six square or rectangular sides the act of obstructing or deflecting someone's movements a platform from which an auctioneer sells an obstruction in a pipe or tube a metal casting containing the cylinders and cooling ducts of an engine a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope verb shape into a block or blocks shape by using a block support, secure, or raise with a block stamp or emboss a title or design on a book with a block interrupt the normal function of by means of anesthesia run on a block system prohibit the conversion or use of (assets) be unable to remember interfere with or prevent the reception of signals impede the movement of (an opponent or a ball) block passage through render unsuitable for passage obstruct shut out from view or get in the way so as to hide from sight hinder or prevent the progress or accomplishment of stop from happening or developing
  • cuneiform - adj. of or relating to the tarsal bones (or other wedge-shaped bones) shaped like a wedge noun an ancient wedge-shaped script used in Mesopotamia and Persia
  • displacement - noun act of removing from office or employment to move something from its natural environment (psychiatry) a defense mechanism that transfers affect or reaction from the original object to some more acceptable one (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound act of taking the place of another especially using underhanded tactics the act of uniform movement an event in which something is displaced without rotation
  • Ostomy - noun surgical procedure that creates an artificial opening for the elimination of bodily wastes
  • Otalgia - noun an ache localized in the middle or inner ear
  • OTC - adj. (of securities) not quoted on a stock exchange
  • over-the-counter - adj. (of securities) not quoted on a stock exchange purchasable without a doctor's prescription
  • Otitis - noun inflammation of the ear
  • Otitis externa - noun inflammation of the external ear (including auricle and ear canal)
  • Otitis interna - noun inflammation of the inner ear; can cause vertigo and vomiting
  • Otitis media - noun inflammation of the middle ear; common in children
  • Otitis media - noun inflammation of the middle ear; common in children
  • acute - adj. having or experiencing a rapid onset and short but severe course of critical importance and consequence extremely sharp or intense having or demonstrating ability to recognize or draw fine distinctions of an angle; less than 90 degrees ending in a sharp point noun a mark (') placed above a vowel to indicate pronunciation
  • Oto - noun a dialect of the Chiwere language spoken by the Oto a member of the Siouan people inhabiting the valleys of the Platte and Missouri rivers in Nebraska
  • Otolaryngologist - noun a specialist in the disorders of the ear or nose or throat
  • Otolaryngology - noun the medical specialty that deals with diseases of the ear, nose and throat
  • Otology - noun the branch of medicine concerned with the ear
  • Otoplasty - noun reconstructive surgery of the auricle of the external ear
  • Otosclerosis - noun hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness
  • Otoscope - noun medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
  • Ounce - noun a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams a unit of apothecary weight equal to 480 grains or one twelfth of a pound large feline of upland central Asia having long thick whitish fur
  • Outer ear - noun the part of the ear visible externally
  • Outlet - noun activity that frees or expresses creative energy or emotion an opening that permits escape or release a place of business for retailing goods receptacle providing a place in a wiring system where current can be taken to run electrical devices
  • Outlet - noun activity that frees or expresses creative energy or emotion an opening that permits escape or release a place of business for retailing goods receptacle providing a place in a wiring system where current can be taken to run electrical devices
  • gastric - adj. relating to or involving the stomach
  • Outpatient - noun a patient who does not reside in the hospital where he is being treated
  • Output - noun production of a certain amount what is produced in a given time period the quantity of something (as a commodity) that is created (usually within a given period of time) final product; the things produced signal that comes out of an electronic system verbto create or manufacture a specific amount
  • cardiac - adj. of or relating to the heart
  • Ovarian - adj. of or involving the ovaries
  • Ovarian cyst - noun a cystic tumor (usually benign) of the ovary
  • Ovariectomy - noun surgical removal of one of both ovaries
  • Ovary - noun (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone the organ that bears the ovules of a flower
  • follicular - adj. of or relating to or constituting a follicle
  • Ovary - noun (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone the organ that bears the ovules of a flower
  • Ovary - noun (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone the organ that bears the ovules of a flower
  • Over-the-counter - adj. (of securities) not quoted on a stock exchange purchasable without a doctor's prescription
  • OTC - adj. (of securities) not quoted on a stock exchange
  • drug - noun a substance that is used as a medicine or narcotic verbadminister a drug to use recreational drugs
  • Overgrowth - noun a profusion of growth on or over something else excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland
  • Overload - noun an excessive burden an electrical load that exceeds the available electrical power verb place too much a load on become overloaded fill to excess so that function is impaired
  • iron - adj. extremely robust noun home appliance consisting of a flat metal base that is heated and used to smooth cloth a golf club that has a relatively narrow metal head implement used to brand live stock a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood verbpress and smooth with a heated iron
  • Overweight - adj. usually describes a large person who is fat but has a large frame to carry it noun the property of excessive fatness
  • Ovulation - noun the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)
  • Ovum - noun the female reproductive cell; the female gamete
  • Oxygen - noun a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
  • Oxygen mask - noun a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank
  • Oxygenate - verb impregnate, combine, or supply with oxygen
  • Oxygenation - noun the process of providing or combining or treating with oxygen
  • Oxyhemoglobin - noun the bright red hemoglobin that is a combination of hemoglobin and oxygen from the lungs
  • Oxytocin - noun hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk
  • Ozone - noun a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)

Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

See also

Medical terms A-I Medical terms P-T Medical terms U-Z

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