| aardwolf | (noun) striped hyena of southeast Africa that feeds chiefly on insects | Synonyms: Proteles cristata |
|---|
| abfarad | (noun) a capacitance unit equal to one billion farads | - |
|---|
| abortifacient | (noun) a drug (or other chemical agent) that causes abortion | Synonyms: aborticide, abortion-inducing drug |
|---|
| acidification | (noun) the process of becoming acid or being converted into an acid | - |
|---|
| aerofoil | (noun) a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | Synonyms: airfoil, control surface, surface |
|---|
| affability | (noun) a disposition to be friendly and approachable (easy to talk to) | Synonyms: affableness, amiability, amiableness, bonhomie, geniality |
|---|
| affableness | (noun) a disposition to be friendly and approachable (easy to talk to) | Synonyms: affability, amiability, amiableness, bonhomie, geniality |
|---|
| affair | (noun) a vaguely specified concern | Synonyms: matter, thing |
|---|
| (noun) a formal or official social gathering or ceremony of people | Synonyms: function, occasion, social affair, social function, social gathering, social occasion |
| (noun) a usually secretive or illicit sexual relationship | Synonyms: affaire, amour, intimacy, involvement, liaison |
| affaire | (noun) a usually secretive or illicit sexual relationship | Synonyms: affair, amour, intimacy, involvement, liaison |
|---|
| affairs | (noun) transactions of professional or public interest | - |
|---|
| (noun) matters of personal concern | Synonyms: personal business, personal matters |
| affect | (noun) the conscious subjective aspect of feeling or emotion | - |
|---|
| affectation | (noun) a deliberate pretense or exaggerated display | Synonyms: affectedness, mannerism, pose |
|---|
| affectedness | (noun) a deliberate pretense or exaggerated display | Synonyms: affectation, mannerism, pose |
|---|
| (noun) the quality of being false or artificial (as to impress others) | - |
| affection | (noun) a positive feeling of liking | Synonyms: affectionateness, fondness, heart, philia, tenderness, warmheartedness, warmness |
|---|
| affectionateness | (noun) a quality proceeding from feelings of affection or love | Synonyms: fondness, lovingness, warmth |
|---|
| (noun) a positive feeling of liking | Synonyms: affection, fondness, heart, philia, tenderness, warmheartedness, warmness |
| affenpinscher | (noun) European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle | Synonyms: monkey dog, monkey pinscher |
|---|
| afferent | (noun) a nerve that passes impulses from receptors toward or to the central nervous system | Synonyms: afferent nerve, sensory nerve |
|---|
| affiant | (noun) a person who makes an affidavit | - |
|---|
| affidavit | (noun) written declaration made under oath; a written statement sworn to be true before someone legally authorized to administer an oath | - |
|---|
| affiliate | (noun) a subsidiary or subordinate organization that is affiliated with another organization | - |
|---|
| (noun) a subordinate or subsidiary associate; a person who is affiliated with another or with an organization | - |
| affiliation | (noun) the act of becoming formally connected or joined | - |
|---|
| (noun) a social or business relationship | Synonyms: association, tie-up, tie |
| affine | (noun) (anthropology) kin by marriage | - |
|---|
| affinity | (noun) inherent resemblance between persons or things | - |
|---|
| (noun) a natural attraction or feeling of kinship | - |
| (noun) the force attracting atoms to each other and binding them together in a molecule | Synonyms: chemical attraction |
| (noun) (immunology) the attraction between an antigen and an antibody | - |
| (noun) (anthropology) kinship by marriage or adoption; not a blood relationship | - |
| (noun) (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts | Synonyms: phylogenetic relation |
| (noun) a close connection marked by community of interests or similarity in nature or character | Synonyms: kinship |
| affirmation | (noun) a judgment by a higher court that the judgment of a lower court was correct and should stand | - |
|---|
| (noun) a statement asserting the existence or the truth of something | Synonyms: avouchment, avowal |
| (noun) (religion) a solemn declaration that serves the same purpose as an oath (if an oath is objectionable to the person on religious or ethical grounds) | - |
| (noun) the act of affirming or asserting or stating something | Synonyms: assertion, statement |
| affirmative | (noun) a reply of affirmation | - |
|---|
| affirmativeness | (noun) the agreeable quality of one who assents | - |
|---|
| affirmer | (noun) someone who claims to speak the truth | Synonyms: asserter, asseverator, avower, declarer |
|---|
| affix | (noun) a linguistic element added to a word to produce an inflected or derived form | - |
|---|
| affixation | (noun) formation of a word by means of an affix | - |
|---|
| (noun) the act of attaching or affixing something | Synonyms: attachment |
| (noun) the result of adding an affix to a root word | - |
| afflatus | (noun) a strong creative impulse; divine inspiration | - |
|---|
| affliction | (noun) a cause of great suffering and distress | - |
|---|
| (noun) a condition of suffering or distress due to ill health | - |
| (noun) a state of great suffering and distress due to adversity | - |
| affluence | (noun) abundant wealth | Synonyms: richness |
|---|
| affluent | (noun) a branch that flows into the main stream | Synonyms: confluent, feeder, tributary |
|---|
| (noun) an affluent person; a person who is financially well off | - |
| affluenza | (noun) an inability to understand the consequences of one's actions because of financial privilege | - |
|---|
| afforestation | (noun) the conversion of bare or cultivated land into forest (originally for the purpose of hunting) | - |
|---|
| affray | (noun) a noisy fight | Synonyms: disturbance, fray, ruffle |
|---|
| (noun) noisy quarrel | Synonyms: altercation, fracas |
| affricate | (noun) a composite speech sound consisting of a stop and a fricative articulated at the same point (as `ch' in `chair' and `j' in `joy') | Synonyms: affricate consonant, affricative |
|---|
| affrication | (noun) the conversion of a simple stop consonant into an affricate | - |
|---|
| affricative | (noun) a composite speech sound consisting of a stop and a fricative articulated at the same point (as `ch' in `chair' and `j' in `joy') | Synonyms: affricate, affricate consonant |
|---|
| affright | (noun) an overwhelming feeling of fear and anxiety | Synonyms: panic, terror |
|---|
| affront | (noun) a deliberately offensive act or something producing the effect of deliberate disrespect | Synonyms: insult |
|---|
| affusion | (noun) the act of baptizing someone by pouring water on their head | - |
|---|
| afghan | (noun) a blanket knitted or crocheted in strips or squares; sometimes used as a shawl | - |
|---|
| (noun) a coat made of sheepskin | Synonyms: sheepskin coat |
| afghani | (noun) the basic unit of money in Afghanistan | - |
|---|
| afibrinogenemia | (noun) the absence of fibrinogen in the plasma leading to prolonged bleeding | - |
|---|
| aficionado | (noun) a serious devotee of some particular music genre or musical performer | - |
|---|
| (noun) a fan of bull fighting | - |
| aflatoxin | (noun) a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon | - |
|---|
| afropavo | (noun) both sexes are brightly colored | Synonyms: Afropavo congensis, Congo peafowl |
|---|
| afterbirth | (noun) the placenta and fetal membranes that are expelled from the uterus after the baby is born | - |
|---|
| afterburner | (noun) a device that injects fuel into a hot exhaust for extra thrust | - |
|---|
| aftercare | (noun) care and treatment of a convalescent patient | - |
|---|
| afterdamp | (noun) a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine | - |
|---|
| afterdeck | (noun) a deck abaft of midships | - |
|---|
| aftereffect | (noun) any result that follows its cause after an interval | - |
|---|
| (noun) a delayed effect of a drug or therapy | - |
| afterglow | (noun) the pleasure of remembering some pleasant event | - |
|---|
| (noun) a glow sometimes seen in the sky after sunset | - |
| afterimage | (noun) an image (usually a negative image) that persists after stimulation has ceased | Synonyms: aftersensation |
|---|
| afterlife | (noun) life after death | Synonyms: hereafter |
|---|
| aftermath | (noun) the outcome of an event especially as relative to an individual | Synonyms: consequence |
|---|
| (noun) the consequences of an event (especially a catastrophic event) | Synonyms: backwash, wake |
| afternoon | (noun) a conventional expression of greeting or farewell, used to wish someone a good afternoon | Synonyms: good afternoon |
|---|
| (noun) the part of the day between noon and evening | - |
| afterpains | (noun) pains felt by a woman after her baby is born; associated with contractions of the uterus | - |
|---|
| afterpiece | (noun) a brief dramatic piece (usually comic) presented after a play | - |
|---|
| afters | (noun) a dish served as the last course of a meal | Synonyms: dessert, sweet |
|---|
| aftersensation | (noun) an image (usually a negative image) that persists after stimulation has ceased | Synonyms: afterimage |
|---|
| aftershaft | (noun) a supplementary feather (usually small) on the underside of the base of the shaft of some feathers in some birds | - |
|---|
| aftershock | (noun) a tremor (or one of a series of tremors) occurring after the main shock of an earthquake | - |
|---|
| aftertaste | (noun) an afterimage of a taste | - |
|---|
| afterthought | (noun) an addition that was not included in the original plan | - |
|---|
| (noun) thinking again about a choice previously made | Synonyms: reconsideration, rethink, second thought |
| afterworld | (noun) the place where you are after you die | - |
|---|
| aircraft | (noun) a vehicle that can fly | - |
|---|
| aircraftman | (noun) a noncommissioned officer in the British Royal Air Force | Synonyms: aircraftsman |
|---|
| aircraftsman | (noun) a noncommissioned officer in the British Royal Air Force | Synonyms: aircraftman |
|---|
| airfare | (noun) the fare charged for traveling by airplane | - |
|---|
| airfield | (noun) a place where planes take off and land | Synonyms: field, flying field, landing field |
|---|
| airflow | (noun) the flow of air | Synonyms: air flow, flow of air |
|---|
| airfoil | (noun) a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | Synonyms: aerofoil, control surface, surface |
|---|
| airforce | (noun) the airborne branch of a country's armed forces | Synonyms: air force |
|---|
| airframe | (noun) the framework and covering of an airplane or rocket (excluding the engines) | - |
|---|
| airlift | (noun) transportation of people or goods by air (especially when other means of access are unavailable) | Synonyms: lift |
|---|
| alderfly | (noun) dark-colored insect having predaceous aquatic larvae | Synonyms: alder fly, Sialis lutaria |
|---|
| alehoof | (noun) trailing European aromatic plant of the mint family having rounded leaves and small purplish flowers often grown in hanging baskets; naturalized in North America; sometimes placed in genus Nepeta | Synonyms: field balm, gill-over-the-ground, Glechoma hederaceae, ground ivy, Nepeta hederaceae, runaway robin |
|---|
| alewife | (noun) shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus | Synonyms: Alosa pseudoharengus, Pomolobus pseudoharengus |
|---|
| (noun) flesh of shad-like fish abundant along the Atlantic coast or in coastal streams | - |
| alfalfa | (noun) leguminous plant grown for hay or forage | - |
|---|
| (noun) important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop | Synonyms: lucerne, Medicago sativa |
| alfilaria | (noun) European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage | Synonyms: alfileria, clocks, Erodium cicutarium, filaree, filaria, pin clover, pin grass, redstem storksbill |
|---|
| alfileria | (noun) European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage | Synonyms: alfilaria, clocks, Erodium cicutarium, filaree, filaria, pin clover, pin grass, redstem storksbill |
|---|
| alkylbenzenesulfonate | (noun) sulfonate of alkyl benzene | - |
|---|
| alligatorfish | (noun) small very elongate sea poachers | Synonyms: Aspidophoroides monopterygius |
|---|
| allograft | (noun) tissue or organ transplanted from a donor of the same species but different genetic makeup; recipient's immune system must be suppressed to prevent rejection of the graft | Synonyms: homograft |
|---|
| aloofness | (noun) a disposition to be distant and unsympathetic in manner | Synonyms: remoteness, standoffishness, withdrawnness |
|---|
| (noun) indifference by personal withdrawal | Synonyms: distance |
| amberfish | (noun) any of several amber to coppery fork-tailed warm-water carangid fishes | Synonyms: amberjack |
|---|
| aminotransferase | (noun) a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) | Synonyms: aminopherase, transaminase |
|---|
| ammonification | (noun) impregnation with ammonia or a compound of ammonia | - |
|---|
| amplification | (noun) (electronics) the act of increasing voltage or power or current | - |
|---|
| (noun) addition of extra material or illustration or clarifying detail | Synonyms: elaboration |
| (noun) the amount of increase in signal power or voltage or current expressed as the ratio of output to input | Synonyms: gain |
| amplifier | (noun) electronic equipment that increases strength of signals passing through it | - |
|---|
| angelfish | (noun) sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do | Synonyms: angel shark, monkfish, Squatina squatina |
|---|
| (noun) a butterfly fish of the genus Pomacanthus | - |
| (noun) deep-bodied disk-shaped food fish of warmer western Atlantic coastal waters | Synonyms: Chaetodipterus faber, spadefish |
| anglerfish | (noun) fishes having large mouths with a wormlike filament attached for luring prey | Synonyms: allmouth, angler, angler fish, goosefish, Lophius Americanus, lotte, monkfish |
|---|
| antefix | (noun) carved ornament at the eaves of a tile roof concealing the joints between tiles | - |
|---|
| antiaircraft | (noun) artillery designed to shoot upward at airplanes | Synonyms: ack-ack, ack-ack gun, antiaircraft gun, flack, flak, pom-pom |
|---|
| antifeminism | (noun) activity indicative of belief in the superiority of men over women | Synonyms: chauvinism, male chauvinism |
|---|
| antifeminist | (noun) someone who does not believe in the social or economic or political equality of men and women | - |
|---|
| antiferromagnet | (noun) any material that has antiferromagnetic properties. | - |
|---|