13-letter words containing o, u, n
- 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.
- autochthonous — (of rocks, deposits, etc) found where they and their constituents were formed
- 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.
- autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- averruncation — the act of averting or turning away
- aviation fuel — fuel used to power airplanes
- baba ghanoush — a thick purée of aubergines, tahini, olive oil, lemon juice, and garlic, originating in North Africa and the Mediterranean
- back mutation — the reversion of a mutant to the original phenotype
- backgrounders — Plural form of backgrounder.
- 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
- balloon chuck — a lathe chuck having the form of a hollow hemisphere, for enclosing and holding small parts, as balance staffs of watches, so that only their ends are exposed.
- bang on about — If someone bangs on about something, they keep talking about it in a boring or annoying way.
- bank discount — interest on a loan deducted from the principal amount when the loan is made and based on the loan's face value
- bank of issue — a bank, as a Federal Reserve Bank, empowered by a government to issue currency.
- banking hours — the hours during which a bank is open for business
- banking house — a more formal term for a bank
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- barbarousness — The state or quality of being barbarous.
- baroque organ — a pipe organ dating from or built to the specifications of the baroque period at the time of J. S. Bach.
- barosinusitis — aerosinusitis.
- baryon number — the number of baryons in a system minus the number of antibaryons
- battlegrounds — Plural form of battleground.
- be nuts about — to be greatly in love with