13-letter words containing u, n, i, o
- anticommunism — the opposition to communism
- anticommunist — (initial capital letter) a member of the Communist Party or movement.
- antievolution — a system of thought which argues against the biological theory of evolution
- antigonus (i) — 382-301 b.c.; Macedonian general under Alexander the Great: king of Macedonia (306-301)
- antineutrinos — Plural form of antineutrino.
- antiochus iii — known as Antiochus the Great. 242–187 bc, king of Syria (223–187), who greatly extended the Seleucid empire but was forced (190) to surrender most of Asia Minor to the Romans
- antipollution — (of measures, policies, etc) designed to combat pollution and its causes
- antireligious — opposed to religious ideas, beliefs, and organizations
- antiscorbutic — preventing or curing scurvy
- antisudorific — an antiperspirant.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- appropinquate — to approach
- appropinquity — nearness
- aqua ammoniae — ammonia (def 2).
- arachnivorous — Spider-eating.
- argentiferous — containing or bearing silver
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arteriovenous — of, relating to, or affecting an artery and a vein
- articulations — Plural form of articulation.
- arundinaceous — resembling a reed
- assiduousness — constant; unremitting: assiduous reading.
- assumptionist — Augustinian of the Assumption.
- astronautical — of or relating to astronautics or astronauts.
- at a discount — below the regular price
- atomic number — the number of protons in the nucleus of an atom of an element
- atrociousness — The state of being atrocious.
- attributional — of or relating to the act of attributing
- auction block — Also called block. a platform from which an auctioneer sells: the old courthouse where slaves were sold from the auction block.
- auction house — a commercial company that specializes in selling items at auction
- auction pitch — a variety of all fours in which players bid to determine the trump or pitch.
- auctioneering — Present participle of auctioneer.
- audaciousness — Risky or daring behaviour.
- audience room — a room for holding formal interviews or hearings.
- audio-lingual — pertaining to listening comprehension and speaking, especially in learning a foreign language.
- augmentations — Plural form of augmentation.
- aulic council — a council, founded in 1498, of the Holy Roman Emperor. It functioned mainly as a judicial body
- aum shinrikyo — a syncretistic Japanese cult combining elements of Buddhism, Hinduism, and Christianity, founded by Shoko Asahara in 1986; responsible for a number of murders and in particular a nerve-gas attack on the Tokyo underground in 1995
- austin dobson — (Henry) Austin, 1840–1921, English poet, biographer, and essayist.
- authenticator — a person or thing that authenticates.
- authorisation — Alternative spelling of authorization.
- authoritarian — If you describe a person or an organization as authoritarian, you are critical of them controlling everything rather than letting people decide things for themselves.
- authorization — an authorizing or being authorized
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autodigestion — (biology) The digestion of tissue by enzymes produced by the organism itself.
- autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
- automatonlike — Like an automaton; robotic.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autonomically — autonomous.
- autooxidation — autoxidation.