| abbreviation | (noun) shortening something by omitting parts of it | - |
|---|
| (noun) a shortened form of a word or phrase | - |
| abbreviator | (noun) one who shortens or abridges or condenses a written work | Synonyms: abridger |
|---|
| absorptivity | (noun) (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body | Synonyms: absorption factor |
|---|
| acclivity | (noun) an upward slope or grade (as in a road) | Synonyms: ascent, climb, raise, rise, upgrade |
|---|
| activism | (noun) a policy of taking direct action to achieve a political or social goal | - |
|---|
| activist | (noun) a militant reformer | Synonyms: militant |
|---|
| activity | (noun) any specific behavior | - |
|---|
| (noun) the trait of being active; moving or acting rapidly and energetically | Synonyms: activeness |
| (noun) an organic process that takes place in the body | Synonyms: bodily function, bodily process, body process |
| (noun) a process existing in or produced by nature (rather than by the intent of human beings) | Synonyms: action, natural action, natural process |
| (noun) the state of being active | Synonyms: action, activeness |
| (noun) (chemistry) the capacity of a substance to take part in a chemical reaction | - |
| acyclovir | (noun) an oral antiviral drug (trade name Zovirax) used to treat genital herpes; does not cure the disease but relieves the symptoms | Synonyms: Zovirax |
|---|
| adenovirus | (noun) any of a group of viruses including those that in humans cause upper respiratory infections or infectious pinkeye | - |
|---|
| administrivia | (noun) the tiresome but essential details that must be taken care of and tasks that must be performed in running an organization | - |
|---|
| advice | (noun) a proposal for an appropriate course of action | - |
|---|
| advisability | (noun) the quality of being advisable | - |
|---|
| advisee | (noun) someone who receives advice | - |
|---|
| advisement | (noun) careful consideration | Synonyms: deliberation, weighing |
|---|
| adviser | (noun) an expert who gives advice | Synonyms: advisor, consultant |
|---|
| advisor | (noun) an expert who gives advice | Synonyms: adviser, consultant |
|---|
| advisory | (noun) an announcement that usually advises or warns the public of some threat | - |
|---|
| affidavit | (noun) written declaration made under oath; a written statement sworn to be true before someone legally authorized to administer an oath | - |
|---|
| akvavit | (noun) Scandinavian liquor usually flavored with caraway seeds | Synonyms: aquavit |
|---|
| alleviant | (noun) remedy that alleviates pain without curing | Synonyms: alleviator, palliative |
|---|
| alleviation | (noun) the act of reducing something unpleasant (as pain or annoyance) | Synonyms: easement, easing, relief |
|---|
| (noun) the feeling that comes when something burdensome is removed or reduced | Synonyms: assuagement, relief |
| alleviator | (noun) remedy that alleviates pain without curing | Synonyms: alleviant, palliative |
|---|
| (noun) a therapist who makes suffering more endurable | - |
| alluviation | (noun) the phenomenon of sediment or gravel accumulating | Synonyms: deposit, sedimentation |
|---|
| alluvion | (noun) clay or silt or gravel carried by rushing streams and deposited where the stream slows down | Synonyms: alluvial deposit, alluvial sediment, alluvium |
|---|
| (noun) the rising of a body of water and its overflowing onto normally dry land | Synonyms: deluge, flood, inundation |
| (noun) gradual formation of new land, by recession of the sea or deposit of sediment | - |
| alluvium | (noun) clay or silt or gravel carried by rushing streams and deposited where the stream slows down | Synonyms: alluvial deposit, alluvial sediment, alluvion |
|---|
| almsgiving | (noun) making voluntary contributions to aid the poor | Synonyms: alms-giving |
|---|
| alphavirus | (noun) an arbovirus of the family Togaviridae that can cause a variety of encephalitis in horses | - |
|---|
| antediluvian | (noun) a very old person | Synonyms: ancient |
|---|
| (noun) any of the early patriarchs who lived prior to the Noachian deluge | Synonyms: antediluvian patriarch |
| antiviral | (noun) any drug that destroys viruses | Synonyms: antiviral agent, antiviral drug |
|---|
| anvil | (noun) a heavy block of iron or steel on which hot metals are shaped by hammering | - |
|---|
| (noun) a small bone in the middle ear between the malleus and the stapes | Synonyms: incus |
| approving | (noun) the formal act of approving | Synonyms: approval, blessing |
|---|
| aquavit | (noun) Scandinavian liquor usually flavored with caraway seeds | Synonyms: akvavit |
|---|
| arborvirus | (noun) a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis | Synonyms: arbovirus |
|---|
| arborvitae | (noun) any of several Asian and North American conifers of the genera Thuja and Thujopsis | - |
|---|
| arbovirus | (noun) a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis | Synonyms: arborvirus |
|---|
| archivist | (noun) a person in charge of collecting and cataloguing archives | - |
|---|
| arenavirus | (noun) animal viruses belonging to the family Arenaviridae | - |
|---|
| arriviste | (noun) a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class | Synonyms: nouveau-riche, parvenu, upstart |
|---|
| astronavigation | (noun) navigating according to the positions of the stars | Synonyms: celestial navigation |
|---|
| atavism | (noun) a reappearance of an earlier characteristic | Synonyms: reversion, throwback |
|---|
| atavist | (noun) an organism that has the characteristics of a more primitive type of that organism | Synonyms: throwback |
|---|
| audiovisual | (noun) materials using sight or sound to present information | Synonyms: audiovisual aid |
|---|
| aviary | (noun) a building where birds are kept | Synonyms: bird sanctuary, volary |
|---|
| aviation | (noun) travel via aircraft | Synonyms: air, air travel |
|---|
| (noun) the art of operating aircraft | Synonyms: airmanship |
| (noun) the aggregation of a country's military aircraft | Synonyms: air power |
| (noun) the operation of aircraft to provide transportation | - |
| aviator | (noun) someone who operates an aircraft | Synonyms: aeronaut, flier, flyer |
|---|
| aviatress | (noun) a woman aviator | Synonyms: airwoman, aviatrix |
|---|
| aviatrix | (noun) a woman aviator | Synonyms: airwoman, aviatress |
|---|
| avidity | (noun) a positive feeling of wanting to push ahead with something | Synonyms: avidness, eagerness, keenness |
|---|
| avidness | (noun) a positive feeling of wanting to push ahead with something | Synonyms: avidity, eagerness, keenness |
|---|
| avifauna | (noun) the birds of a particular region or period | - |
|---|
| avionics | (noun) science and technology of electronic systems and devices for aeronautics and astronautics | - |
|---|
| avitaminosis | (noun) any of several diseases caused by deficiency of one or more vitamins | Synonyms: hypovitaminosis |
|---|
| bedevilment | (noun) the act of harassing someone | Synonyms: badgering, torment, worrying |
|---|
| behavior | (noun) manner of acting or controlling yourself | Synonyms: behaviour, conduct, doings |
|---|
| (noun) (psychology) the aggregate of the responses or reactions or movements made by an organism in any situation | Synonyms: behaviour |
| (noun) (behavioral attributes) the way a person behaves toward other people | Synonyms: behaviour, conduct, demeanor, demeanour, deportment |
| (noun) the action or reaction of something (as a machine or substance) under specified circumstances | Synonyms: behaviour |
| behaviorism | (noun) an approach to psychology that emphasizes observable measurable behavior | Synonyms: behavioristic psychology, behaviourism, behaviouristic psychology |
|---|
| behaviorist | (noun) a psychologist who subscribes to behaviorism | Synonyms: behaviourist |
|---|
| behaviour | (noun) manner of acting or controlling yourself | Synonyms: behavior, conduct, doings |
|---|
| (noun) (psychology) the aggregate of the responses or reactions or movements made by an organism in any situation | Synonyms: behavior |
| (noun) (behavioral attributes) the way a person behaves toward other people | Synonyms: behavior, conduct, demeanor, demeanour, deportment |
| (noun) the action or reaction of something (as a machine or substance) under specified circumstances | Synonyms: behavior |
| behaviourism | (noun) an approach to psychology that emphasizes observable measurable behavior | Synonyms: behaviorism, behavioristic psychology, behaviouristic psychology |
|---|
| behaviourist | (noun) a psychologist who subscribes to behaviorism | Synonyms: behaviorist |
|---|
| believing | (noun) the cognitive process that leads to convictions | - |
|---|
| bioflavinoid | (noun) a vitamin that maintains the resistance of cell and capillary walls to permeation | Synonyms: citrin, vitamin P |
|---|
| bolivia | (noun) a form of canasta in which sequences can be melded | - |
|---|
| boliviano | (noun) the basic unit of money in Bolivia; equal to 100 centavos | - |
|---|
| bonavist | (noun) perennial twining vine of Old World tropics having trifoliate leaves and racemes of fragrant purple pea-like flowers followed by maroon pods of edible seeds; grown as an ornamental and as a vegetable on the Indian subcontinent; sometimes placed in genus Dolichos | Synonyms: Dolichos lablab, Egyptian bean, hyacinth bean, Indian bean, Lablab purpureus |
|---|
| bougainvillea | (noun) any of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bracts; widely grown in warm regions | - |
|---|
| bovid | (noun) hollow-horned ruminants | - |
|---|
| bovine | (noun) any of various members of the genus Bos | - |
|---|
| breviary | (noun) (Roman Catholic Church) a book of prayers to be recited daily by certain priests and members of religious orders | - |
|---|
| brevity | (noun) the attribute of being brief or fleeting | Synonyms: briefness, transience |
|---|
| (noun) the use of brief expressions | - |
| bunyavirus | (noun) an animal virus belonging to the family Bunyaviridae; can be used as a bioweapon | - |
|---|
| calving | (noun) giving birth to a calf | - |
|---|
| captivity | (noun) the state of being a slave | Synonyms: enslavement |
|---|
| (noun) the state of being imprisoned | Synonyms: immurement, imprisonment, incarceration |
| carving | (noun) creating figures or designs in three dimensions | Synonyms: sculpture |
|---|
| (noun) removing parts from hard material to create a desired pattern or shape | Synonyms: cutting |
| (noun) a sculpture created by removing material (as wood or ivory or stone) in order to create a desired shape | - |
| caviar | (noun) salted roe of sturgeon or other large fish; usually served as an hors d'oeuvre | Synonyms: caviare |
|---|
| caviare | (noun) salted roe of sturgeon or other large fish; usually served as an hors d'oeuvre | Synonyms: caviar |
|---|
| cavil | (noun) an evasion of the point of an argument by raising irrelevant distinctions or objections | Synonyms: quibble, quiddity |
|---|
| caviler | (noun) a disputant who quibbles; someone who raises annoying petty objections | Synonyms: caviller, pettifogger, quibbler |
|---|
| caviller | (noun) a disputant who quibbles; someone who raises annoying petty objections | Synonyms: caviler, pettifogger, quibbler |
|---|
| cavity | (noun) (anatomy) a natural hollow or sinus within the body | Synonyms: bodily cavity, cavum |
|---|
| (noun) a sizeable hole (usually in the ground) | Synonyms: pit |
| (noun) soft decayed area in a tooth; progressive decay can lead to the death of a tooth | Synonyms: caries, dental caries, tooth decay |
| (noun) space that is surrounded by something | Synonyms: enclosed space |
| cervicitis | (noun) inflammation of the uterine cervix | - |
|---|
| cervid | (noun) distinguished from Bovidae by the male's having solid deciduous antlers | Synonyms: deer |
|---|
| cervix | (noun) the part of an organism (human or animal) that connects the head to the rest of the body | Synonyms: neck |
|---|
| (noun) necklike opening to the uterus | Synonyms: cervix uteri, uterine cervix |
| chauvinism | (noun) activity indicative of belief in the superiority of men over women | Synonyms: antifeminism, male chauvinism |
|---|
| (noun) fanatical patriotism | Synonyms: jingoism, superpatriotism, ultranationalism |
| chauvinist | (noun) an extreme bellicose nationalist | Synonyms: flag-waver, hundred-percenter, jingo, jingoist, patrioteer |
|---|
| (noun) a person with a prejudiced belief in the superiority of his or her own kind | - |
| chervil | (noun) fresh ferny parsley-like leaves used as a garnish with chicken and veal and omelets and green salads and spinach | - |
|---|
| (noun) aromatic annual Old World herb cultivated for its finely divided and often curly leaves for use especially in soups and salads | Synonyms: Anthriscus cereifolium, beaked parsley |
| circumnavigation | (noun) traveling around something (by ship or plane) | - |
|---|
| civics | (noun) the social science of civic affairs | - |
|---|
| civies | (noun) civilian garb as opposed to a military uniform | Synonyms: civvies |
|---|
| civilian | (noun) a nonmilitary citizen | - |
|---|
| civilisation | (noun) the quality of excellence in thought and manners and taste | Synonyms: civilization, refinement |
|---|
| (noun) a society in an advanced state of social development (e.g., with complex legal and political and religious organizations) | Synonyms: civilization |
| (noun) a particular society at a particular time and place | Synonyms: civilization, culture |
| (noun) the social process whereby societies achieve an advanced stage of development and organization | Synonyms: civilization |
| civility | (noun) the act of showing regard for others | Synonyms: politeness |
|---|
| (noun) formal or perfunctory politeness | - |
| civilization | (noun) the quality of excellence in thought and manners and taste | Synonyms: civilisation, refinement |
|---|
| (noun) a society in an advanced state of social development (e.g., with complex legal and political and religious organizations) | Synonyms: civilisation |
| (noun) a particular society at a particular time and place | Synonyms: civilisation, culture |
| (noun) the social process whereby societies achieve an advanced stage of development and organization | Synonyms: civilisation |
| civvies | (noun) civilian garb as opposed to a military uniform | Synonyms: civies |
|---|
| clavichord | (noun) an early stringed instrument like a piano but with more delicate sound | - |
|---|
| clavicle | (noun) bone linking the scapula and sternum | Synonyms: collarbone |
|---|
| clavier | (noun) a bank of keys on a musical instrument | Synonyms: fingerboard, piano keyboard |
|---|
| (noun) a stringed instrument that has a keyboard | Synonyms: Klavier |
| clevis | (noun) a coupler shaped like the letter U with holes through each end so a bolt or pin can pass through the holes to complete the coupling; used to attach a drawbar to a plow or wagon or trailer etc. | - |
|---|
| collectivisation | (noun) the organization of a nation or economy on the basis of collectivism | Synonyms: collectivization |
|---|
| collectivism | (noun) a political theory that the people should own the means of production | - |
|---|
| (noun) Soviet communism | Synonyms: Bolshevism, sovietism |
| collectivist | (noun) a person who belongs to the political left | Synonyms: left-winger, leftist |
|---|