13-letter words containing a, o, u, i
- 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.
- 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).
- 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-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.
- 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.
- 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.
- 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
- autoradiogram — autoradiograph
- autorickshaws — Plural form of autorickshaw.
- autoschediasm — anything done with little forethought or preparation
- autoschediaze — to do or act with little forethought or preparation
- autostability — the property of being stable either as a result of inherent characteristics or of built-in devices
- autotoxicosis — autointoxication.
- averruncation — the act of averting or turning away
- aviation fuel — fuel used to power airplanes
- back mutation — the reversion of a mutant to the original phenotype
- backgrounding — Present participle of background.
- backing group — a group of musicians providing an instrumental or vocal accompaniment for a pop singer
- badminton cup — a long refreshing drink of claret with soda water and sugar
- balsamiferous — yielding or producing balsam
- bank discount — interest on a loan deducted from the principal amount when the loan is made and based on the loan's face value