12-letter words containing a, c, i, s
- animalculist — a person who subscribes to the theory of animalculism
- animalculous — a minute or microscopic animal, nearly or quite invisible to the naked eye, as an infusorian or rotifer.
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- anisocytosis — (medicine) Significant size variation of blood cells.
- anisomorphic — differing in the semantic scope of terms referring to the real world: for instance, English and Russian are anisomorphic with regard to colour terms, English treating light blue and navy blue as shades of one colour but Russian treating these two shades as unrelated
- annihilistic — Relating to annihilation.
- annunciators — Plural form of annunciator.
- anorthositic — resembling or consisting of anorthosite
- antagonistic — If a person is antagonistic to someone or something, they show hatred or dislike towards them.
- antanaclasis — a form of speech in which a key word is repeated and used in a different, and sometimes contrary, way for a play on words, as in The craft of a politician is to appear before the public without craft.
- antasthmatic — relieving the symptoms of asthma
- anthocyanins — Plural form of anthocyanin.
- anti-fascism — (sometimes initial capital letter) a governmental system led by a dictator having complete power, forcibly suppressing opposition and criticism, regimenting all industry, commerce, etc., and emphasizing an aggressive nationalism and often racism.
- anti-science — a branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws: the mathematical sciences.
- anti-semitic — Someone or something that is anti-Semitic is hostile to or prejudiced against Jewish people.
- antibacchius — a metrical foot consisting of three syllables, of which the first two are long and the third is short
- antibacklash — relating to the prevention of a violent backward reaction or movement
- antiblackism — a belief or type of behaviour which exhibits hostility towards Black people
- anticatalase — a substance that inhibits the enzymatic action of a catalase.
- anticatalyst — a substance that destroys or diminishes the activity of a catalyst
- anticathexis — a change from one emotion to its opposite, as from hate to love.
- anticathodes — Plural form of anticathode.
- antichthones — the antipodes
- anticlimaxes — Plural form of anticlimax.
- anticonsumer — opposed to consumerism
- anticyclones — Plural form of anticyclone.
- antihysteric — acting to counter hysteria
- antimacassar — a cloth covering the back and arms of chairs, etc, to prevent soiling or as decoration
- antinucleons — Plural form of antinucleon.
- antiochus iv — ?215–164 bc, Seleucid king of Syria (175–164), who attacked the Jews and provoked the revolt of the Maccabees
- antiphrastic — relating to antiphrasis
- antipolitics — the rejection of party and electoral politics
- antipyretics — Plural form of antipyretic.
- antisociable — Antisocial.
- antisocially — In an antisocial manner.
- antistrophic — Of or pertaining to an antistrophe.
- antitheistic — opposed to belief in god or gods
- anuszkiewicz — Richard Joseph, born 1930, U.S. op-art painter.
- aphoristical — Alternative form of aphoristic.
- aphrodisiacs — Plural form of aphrodisiac.
- apiculturist — beekeeping, especially on a commercial scale for the sale of honey.
- apocalyptist — the writer of the Apocalypse or a related work
- apostolicity — the quality of being apostolic
- apothecaries — Plural form of apothecary.
- apparatchiks — a member of an apparat, especially in a Communist country.
- appendencies — attached or suspended; annexed.
- appendicitis — Appendicitis is an illness in which a person's appendix is infected and painful.
- applications — Plural form of application.
- appreciators — to be grateful or thankful for: They appreciated his thoughtfulness.
- aquaintances — Plural form of aquaintance.