13-letter words containing a, o, u
- atomic number — the number of protons in the nucleus of an atom of an element
- atomic volume — the atomic weight (relative atomic mass) of an element divided by its density
- atrabilarious — Characterized by melancholy or gloom.
- atroceruleous — a deep blue-black color.
- 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.
- audiocassette — a cassette containing audiotape
- audiographics — audiographic teleconferencing
- augmentations — Plural form of augmentation.
- auguste comte — (Isidore) Auguste (Marie François) [ee-zee-dawr oh-gyst ma-ree frahn-swa] /i ziˈdɔr oʊˈgüst maˈri frɑ̃ˈswa/ (Show IPA), 1798–1857, French founder of the philosophical system of positivism.
- 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.
- austroasiatic — a family of languages spoken in SE Asia and the landsaround the Bay of Bengal and consisting principally of Vietnamese, Khmer, Mon, Khasi, Nicobarese, and the Munda languages.
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- auteur theory — the theory that creative directors are the major force in film-making
- 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.
- authoritative — Someone or something that is authoritative gives an impression of power and importance and is likely to be obeyed.
- authorization — an authorizing or being authorized
- auto-destruct — self-destruct.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autobiography — Your autobiography is an account of your life, which you write yourself.
- autocatalyses — Third-person singular simple present indicative form of autocatalyse.
- autocatalysis — the catalysis of a reaction in which the catalyst is one of the products of the reaction
- autocatalytic — causing its own chemical reaction
- autocatharsis — a therapeutic process designed to free unconscious disturbances by having the patient write about his or her experiences, impressions, etc.
- autocephalous — (of an Eastern Christian Church) governed by its own national synods and appointing its own patriarchs or prelates
- autochthonous — (of rocks, deposits, etc) found where they and their constituents were formed
- autodidactism — Alternative form of autodidacticism.
- autodigestion — (biology) The digestion of tissue by enzymes produced by the organism itself.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autographical — Relating to, or used in, the process of autography.
- autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
- automagically — automatically; in a way that is hidden from or not understood by the user, and in that sense, apparently “magical”: I downloaded an app that automagically adds a travel itinerary to my calendar whenever I buy a plane ticket.
- automatically — without volition or from force of habit; mechanically: Whenever I hear that song, I automatically think of my dad.
- automatograph — a device for recording involuntary bodily movements.
- 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.
- autopolyploid — (of cells, organisms, etc) having more than two sets of haploid chromosomes inherited from a single species