12-letter words containing a, r, o, u, n
- attributions — Plural form of attribution.
- au contraire — on the contrary
- auction room — a room in a building where auctions take place
- auctioneered — Simple past tense and past participle of auctioneer.
- auroral zone — the region surrounding the north or south geomagnetic pole in which the auroral phenomena take place.
- austronesian — of or relating to Austronesia, its peoples, or their languages
- autoanalyzer — any of various automatic devices that test and analyze chemicals, blood, etc.
- autochangers — Plural form of autochanger.
- autographing — Present participle of autograph.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autorotation — the continuous rotation of a body in an airflow, such as that of the rotor blades of a helicopter in an unpowered descent
- averruncator — a long pair of shears used for pruning the higher branches of trees
- baby-bouncer — a seat on springs suspended from a door frame, etc, in which a baby may be placed for exercise
- back country — The back country is an area that is a long way from any city and has very few people living in it.
- backcourtman — any of the players stationed in the backcourt; a guard
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- banner cloud — a plume-shaped cloud extending downwind from an isolated mountain peak. Also called cloud banner. Compare cap cloud (def 1).
- banquet room — A banquet room is a room in a hotel where large formal meals for many people can be held.
- barbados nut — an ornamental, tropical American tree, Jatropha curcas, of the spurge family, having ivylike leaves, small, yellow or greenish-yellow flowers, and olive-shaped fruit yielding a purgative, poisonous oil.
- barcalounger — a type of reclinable armchair with an extendable footrest
- battleground — A battleground is the same as a battlefield.
- bean counter — You can describe people such as accountants and business managers as bean counters if you disapprove of them because you think they are only interested in money.
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- beardtongues — Plural form of beardtongue.
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- binocularity — binocular characteristics
- bioturbation — the stirring of sediment by organisms
- boar-hunting — the practice of hunting wild boars
- boarding out — the local-authority practice of placing a client in a foster family or voluntary establishment and paying for it
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- bound charge — any electric charge that is bound to an atom or molecule (opposed to free charge).
- brain tumour — a tumour that is situated in the brain
- brassfounder — a person who makes things from brass
- break ground — to do something that has not been done before
- bring around — If you bring someone around when they are unconscious, you make them become conscious again.
- brontosaurus — any very large herbivorous quadrupedal dinosaur of the genus Apatosaurus, common in North America during Jurassic times, having a long neck and long tail: suborder Sauropoda (sauropods)
- buenos aires — the capital of Argentina, a major port and industrial city on the Río de la Plata estuary: became capital in 1880; university (1821). Pop: 13 349 000 (2005 est)
- bunco artist — a confidence trickster or con artist
- burial mound — a barrow
- burkina faso — an inland republic in W Africa: dominated by Mossi kingdoms (10th–19th centuries); French protectorate established in 1896; became an independent republic in 1960; consists mainly of a flat savanna plateau. Official language: French; Mossi and other African languages also widely spoken. Religion: mostly animist, with a large Muslim minority. Currency: franc. Capital: Ouagadougou. Pop: 17 812 961 (2013 est). Area: 273 200 sq km (105 900 sq miles)
- burnt almond — a sweet consisting of an almond enclosed in burnt sugar
- burnt orange — of a dark orange colour, sometimes due to calcination of orange pigment
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- canorousness — The quality of being musical.
- cantankerous — Someone who is cantankerous is always finding things to argue or complain about.
- carbon brush — a small block of carbon used to convey current between the stationary and moving parts of an electric generator, motor, etc
- carbon value — an empirical measurement of the tendency of a lubricant to form carbon when in use