| acrylonitrile | (noun) a colorless liquid unsaturated nitrile made from propene | Synonyms: propenonitrile, vinyl cyanide |
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| administrivia | (noun) the tiresome but essential details that must be taken care of and tasks that must be performed in running an organization | - |
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| airstrip | (noun) an airfield without normal airport facilities | Synonyms: flight strip, landing strip, strip |
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| alastrim | (noun) a mild form of smallpox caused by a less virulent form of the virus | Synonyms: Cuban itch, Kaffir pox, milk pox, pseudosmallpox, pseudovariola, variola minor, West Indian smallpox, white pox |
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| aldotriose | (noun) Any aldose having three carbon atoms; in reality, just glyceraldehyde. | - |
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| ametria | (noun) congenital absence of the uterus | - |
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| amitriptyline | (noun) a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications | Synonyms: amitriptyline hydrochloride, Elavil |
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| anthropocentricity | (noun) an inclination to evaluate reality exclusively in terms of human values | Synonyms: anthropocentrism |
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| anthropocentrism | (noun) an inclination to evaluate reality exclusively in terms of human values | Synonyms: anthropocentricity |
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| antineutrino | (noun) the antiparticle of a neutrino | - |
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| astringence | (noun) a sharp astringent taste; the taste experience when a substance causes the mouth to pucker | Synonyms: astringency |
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| astringency | (noun) the ability to contract or draw together soft body tissues to check blood flow or restrict secretion of fluids | Synonyms: stypsis |
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| (noun) a sharp astringent taste; the taste experience when a substance causes the mouth to pucker | Synonyms: astringence |
| astringent | (noun) a drug that causes contraction of body tissues and canals | Synonyms: astringent drug, styptic |
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| atrium | (noun) the central area in a building; open to the sky | - |
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| (noun) any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart) | - |
| attribute | (noun) an abstraction belonging to or characteristic of an entity | - |
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| (noun) a construct whereby objects or individuals can be distinguished | Synonyms: dimension, property |
| attribution | (noun) assigning to a cause or source | Synonyms: ascription |
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| (noun) assigning some quality or character to a person or thing | Synonyms: ascription |
| attrition | (noun) the act of rubbing together; wearing something down by friction | - |
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| (noun) a wearing down to weaken or destroy | - |
| (noun) sorrow for sin arising from fear of damnation | Synonyms: contriteness, contrition |
| (noun) the wearing down of rock particles by friction due to water or wind or ice | Synonyms: abrasion, detrition, grinding |
| (noun) erosion by friction | Synonyms: abrasion, corrasion, detrition |
| aviatrix | (noun) a woman aviator | Synonyms: airwoman, aviatress |
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| bioelectricity | (noun) electric phenomena in animals or plants | - |
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| biometrics | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometry, biostatistics |
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| bowstring | (noun) the string of an archer's bow | - |
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| cartridge | (noun) ammunition consisting of a cylindrical casing containing an explosive charge and a bullet; fired from a rifle or handgun | - |
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| (noun) an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable | Synonyms: pickup |
| (noun) a module designed to be inserted into a larger piece of equipment | - |
| (noun) a light-tight supply chamber holding the film and supplying it for exposure as required | Synonyms: magazine |
| catoptrics | (noun) branch of optics dealing with formation of images by mirrors | - |
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| ceftriaxone | (noun) a parenteral cephalosporin (trade name Rocephin) used for severe infection of the lungs or throat or ears or urinary tract | Synonyms: Rocephin |
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| centrifugation | (noun) the process of separating substances of different densities by the use of a centrifuge | - |
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| centrifuge | (noun) an apparatus that uses centrifugal force to separate particles from a suspension | Synonyms: extractor, separator |
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| centring | (noun) (American football) putting the ball in play by passing it (between the legs) to a back | Synonyms: centering, snap |
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| (noun) the concentration of attention or energy on something | Synonyms: centering, direction, focal point, focus, focusing, focussing |
| centriole | (noun) one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis | - |
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| centrism | (noun) a political philosophy of avoiding the extremes of left and right by taking a moderate position or course of action | Synonyms: moderatism |
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| centrist | (noun) a person who takes a position in the political center | Synonyms: middle of the roader, moderate, moderationist |
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| cetrimide | (noun) a cationic detergent that is a powerful disinfectant | - |
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| chlorobenzylidenemalononitrile | (noun) a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edema | Synonyms: CS gas |
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| cicatrice | (noun) a mark left (usually on the skin) by the healing of injured tissue | Synonyms: cicatrix, scar |
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| cicatrix | (noun) a mark left (usually on the skin) by the healing of injured tissue | Synonyms: cicatrice, scar |
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| citrin | (noun) a vitamin that maintains the resistance of cell and capillary walls to permeation | Synonyms: bioflavinoid, vitamin P |
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| citrine | (noun) semiprecious yellow quartz resembling topaz | - |
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| clostridia | (noun) spindle-shaped bacterial cell especially one swollen at the center by an endospore | Synonyms: clostridium |
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| clostridium | (noun) spindle-shaped bacterial cell especially one swollen at the center by an endospore | Synonyms: clostridia |
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| cockatrice | (noun) monster hatched by a reptile from a cock's egg; able to kill with a glance | - |
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| compatriot | (noun) a person from your own country | - |
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| concentricity | (noun) the quality of having the same center (as circles inside one another) | - |
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| constriction | (noun) the action or process of compressing | - |
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| (noun) a tight feeling in some part of the body | Synonyms: tightness |
| (noun) tight or narrow compression | Synonyms: coarctation |
| (noun) a narrowing that reduces the flow through a channel | Synonyms: bottleneck, chokepoint |
| constrictor | (noun) any of various large nonvenomous snakes that kill their prey by crushing it in its coils | - |
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| contribution | (noun) act of giving in common with others for a common purpose especially to a charity | Synonyms: donation |
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| (noun) a writing for publication especially one of a collection of writings as an article or story | - |
| (noun) the effort contributed by a person in bringing about a result | Synonyms: part, share |
| (noun) a voluntary gift (as of money or service or ideas) made to some worthwhile cause | Synonyms: donation |
| (noun) an amount of money contributed | - |
| contributor | (noun) someone who contributes (or promises to contribute) a sum of money | Synonyms: subscriber |
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| (noun) a writer whose work is published in a newspaper or magazine or as part of a book | - |
| contriteness | (noun) sorrow for sin arising from fear of damnation | Synonyms: attrition, contrition |
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| contrition | (noun) sorrow for sin arising from fear of damnation | Synonyms: attrition, contriteness |
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| contrivance | (noun) the act of devising something | Synonyms: devisal |
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| (noun) a device or control that is very useful for a particular job | Synonyms: appliance, contraption, convenience, gadget, gismo, gizmo, widget |
| (noun) any improvised arrangement for temporary use | Synonyms: lash-up |
| (noun) an elaborate or deceitful scheme contrived to deceive or evade | Synonyms: dodge, stratagem |
| (noun) the faculty of contriving; inventive skill | - |
| (noun) an artificial or unnatural or obviously contrived arrangement of details or parts etc. | - |
| contriver | (noun) a person who makes plans | Synonyms: deviser, planner |
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| detribalisation | (noun) the decline or termination of tribal organization | Synonyms: detribalization |
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| (noun) the act of causing tribal people to abandon their customs and adopt urban ways of living | Synonyms: detribalization |
| detribalization | (noun) the decline or termination of tribal organization | Synonyms: detribalisation |
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| (noun) the act of causing tribal people to abandon their customs and adopt urban ways of living | Synonyms: detribalisation |
| detriment | (noun) a damage or loss | Synonyms: hurt |
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| detrition | (noun) effort expended in moving one object over another with pressure | Synonyms: friction, rubbing |
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| (noun) the wearing down of rock particles by friction due to water or wind or ice | Synonyms: abrasion, attrition, grinding |
| (noun) erosion by friction | Synonyms: abrasion, attrition, corrasion |
| detritus | (noun) the remains of something that has been destroyed or broken up | Synonyms: debris, dust, junk, rubble |
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| (noun) loose material (stone fragments and silt etc) that is worn away from rocks | - |
| dextrin | (noun) any of various polysaccharides obtained by hydrolysis of starch; a tasteless and odorless gummy substance that is used as a thickening agent and in adhesives and in dietary supplements | - |
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| diatribe | (noun) thunderous verbal attack | Synonyms: fulmination |
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| dichlorodiphenyltrichloroethane | (noun) an insecticide that is also toxic to animals and humans; banned in the United States since 1972 | Synonyms: DDT |
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| dielectric | (noun) a material such as glass or porcelain with negligible electrical or thermal conductivity | Synonyms: insulator, nonconductor |
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| distributary | (noun) a branch of a river that flows away from the main stream and does not rejoin it | - |
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| distributer | (noun) electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence | Synonyms: distributor, electrical distributor |
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| (noun) someone who markets merchandise | Synonyms: distributor |
| distribution | (noun) the act of distributing or spreading or apportioning | - |
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| (noun) the commercial activity of transporting and selling goods from a producer to a consumer | - |
| (noun) the spatial or geographic property of being scattered about over a range, area, or volume | Synonyms: dispersion |
| (noun) (statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence | Synonyms: statistical distribution |
| distributor | (noun) electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence | Synonyms: distributer, electrical distributor |
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| (noun) a company that markets merchandise | - |
| (noun) someone who markets merchandise | Synonyms: distributer |
| (noun) a person with authority to allot or deal out or apportion | Synonyms: allocator |
| district | (noun) a region marked off for administrative or other purposes | Synonyms: dominion, territorial dominion, territory |
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| doctrinaire | (noun) a stubborn person of arbitrary or arrogant opinions | Synonyms: dogmatist |
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| doctrine | (noun) a belief (or system of beliefs) accepted as authoritative by some group or school | Synonyms: ism, philosophical system, philosophy, school of thought |
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| dominatrix | (noun) a dominating woman (especially one who plays that role in a sadomasochistic sexual relationship) | - |
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| drawstring | (noun) a tie consisting of a cord that goes through a seam around an opening | Synonyms: drawing string, string |
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| eccentric | (noun) a person with an unusual or odd personality | Synonyms: eccentric person, flake, geek, oddball |
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| (noun) a person of a specified kind (usually with many eccentricities) | Synonyms: case, character, type |
| eccentricity | (noun) strange and unconventional behavior | - |
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| (noun) a circularity that has a different center or deviates from a circular path | - |
| (noun) (geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis | - |
| econometrician | (noun) an economist who uses statistical and mathematical methods | Synonyms: econometrist |
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| econometrics | (noun) the application of mathematics and statistics to the study of economic and financial data | - |
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| econometrist | (noun) an economist who uses statistical and mathematical methods | Synonyms: econometrician |
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| egocentric | (noun) a self-centered person with little regard for others | Synonyms: egoist |
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| egocentrism | (noun) concern for your own interests and welfare | Synonyms: egoism, self-centeredness, self-concern, self-interest |
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| electric | (noun) a car that is powered by electricity | Synonyms: electric automobile, electric car |
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| electrician | (noun) a person who installs or repairs electrical or telephone lines | Synonyms: lineman, linesman |
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| electricity | (noun) keen and shared excitement | - |
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| (noun) a physical phenomenon associated with stationary or moving electrons and protons | - |
| (noun) energy made available by the flow of electric charge through a conductor | Synonyms: electrical energy, power |
| electrification | (noun) the activity of thrilling or markedly exciting some person or group | - |
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| (noun) the act of providing electricity | - |
| endometriosis | (noun) the presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea | Synonyms: adenomyosis |
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| endometritis | (noun) inflammation of the lining of the uterus (of the endometrium) | Synonyms: metritis |
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| endometrium | (noun) (pregnancy) the mucous membrane that lines the uterus; thickens under hormonal control and (if pregnancy does not occur) is shed in menstruation; if pregnancy occurs it is shed along with the placenta at parturition | - |
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| entric | (noun) rod-shaped Gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals | Synonyms: enteric bacteria, enterics, enterobacteria |
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| epigastrium | (noun) the region lying on or over the stomach (just below the sternum) | - |
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| equestrian | (noun) a person skilled in equitation | Synonyms: horseback rider |
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| equidistribution | (noun) a flat distribution having equal frequencies of occurrence | - |
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| estriol | (noun) a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency | Synonyms: oestriol |
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| ethnocentrism | (noun) belief in the superiority of one's own ethnic group | - |
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| executrix | (noun) a woman executor | - |
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| expatriate | (noun) a person who is voluntarily absent from home or country | Synonyms: exile, expat |
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| expatriation | (noun) the act of expelling a person from their native land | Synonyms: deportation, exile, transportation |
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| (noun) migration from a place (especially migration from your native country in order to settle in another) | Synonyms: emigration, out-migration |
| extraterrestrial | (noun) a form of life assumed to exist outside the Earth or its atmosphere | Synonyms: alien, extraterrestrial being |
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| extrication | (noun) the act of releasing from a snarled or tangled condition | Synonyms: disentanglement, unsnarling, untangling |
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| fratricide | (noun) the murder of your sibling | - |
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| (noun) fire that injures or kills an ally | Synonyms: friendly fire |
| (noun) a person who murders their brother or sister | - |
| gastrin | (noun) polypeptide hormone secreted by the mucous lining of the stomach; when peptides and amino acids are present in the small intestine the secretion of gastric acid is stimulated | - |
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| gastritis | (noun) inflammation of the lining of the stomach; nausea and loss of appetite and discomfort after eating | - |
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| gentrification | (noun) the restoration of run-down urban areas by the middle class (resulting in the displacement of low-income residents) | - |
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| geometrician | (noun) a mathematician specializing in geometry | Synonyms: geometer |
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| geometrid | (noun) slender-bodied broad-winged moth whose larvae are called measuring worms | Synonyms: geometrid moth |
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| geriatrician | (noun) a specialist in gerontology | Synonyms: gerontologist |
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| geriatrics | (noun) the branch of medical science that deals with diseases and problems specific to old people | Synonyms: gerontology |
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