12-letter words containing a, c, t, i, o
- anthocyanins — Plural form of anthocyanin.
- anthological — a book or other collection of selected writings by various authors, usually in the same literary form, of the same period, or on the same subject: an anthology of Elizabethan drama; an anthology of modern philosophy.
- anthrophonic — Relating to anthrophony.
- anthropodicy — An attempt, or argument attempting, to justify the existence of humanity as good (contrast theodicy).
- antibiotical — Of or pertaining to antibiotics.
- anticathodes — Plural form of anticathode.
- antichthones — the antipodes
- anticipation — Anticipation is a feeling of excitement about something pleasant or exciting that you know is going to happen.
- anticipatory — An anticipatory feeling or action is one that you have or do because you are expecting something to happen soon.
- anticlotting — of a nature that prevents blood clotting
- anticolonial — opposed to colonialism
- anticonsumer — opposed to consumerism
- anticyclones — Plural form of anticyclone.
- anticyclonic — Of, relating to, or consisting of an anticyclone.
- antidogmatic — opposed to dogma
- antieconomic — against economic growth or wellbeing
- antielectron — an elementary particle with a positive charge, a positron
- antientropic — showing a tendency towards order
- antifriction — intended to reduce friction
- antimicrobic — Antimicrobial.
- antimnemonic — difficult to remember (often deliberately so)
- antimonarchy — Opposing a monarchy.
- antinarcotic — Opposing or countering narcotics.
- 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
- antioncogene — (genetics) Any gene that suppresses the formation of tumours.
- antiperiodic — efficacious against recurring attacks of a disease
- antiphonical — Alternative form of antiphonic.
- antipoaching — acting against or opposed to poaching
- antipolitics — the rejection of party and electoral politics
- antiromantic — opposed to romanticism
- antisociable — Antisocial.
- antisocially — In an antisocial manner.
- antistrophic — Of or pertaining to an antistrophe.
- antiviolence — opposed to or acting against violence in society
- aortic valve — a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.
- aortographic — relating to an aortography or aortography
- aperiodicity — not periodic; irregular.
- aphoristical — Alternative form of aphoristic.
- apocalyptist — the writer of the Apocalypse or a related work
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- apodeictical — Apodeictic.
- apolitically — in an apolitical manner
- apostolicity — the quality of being apostolic
- apothecaries — Plural form of apothecary.
- apothegmatic — Relating to, or in the manner of, an apothegm; sententious; pithy.
- apperception — the attainment of full awareness of a sensation or idea
- applications — Plural form of application.
- appreciation — Appreciation of something is the recognition and enjoyment of its good qualities.
- appreciators — to be grateful or thankful for: They appreciated his thoughtfulness.