12-letter words containing r, o, t, a, u
- articulators — Plural form of articulator.
- articulatory — an act or the process of articulating: the articulation of a form; the articulation of a new thought.
- arts council — an organization that provides funding for a variety of arts activities
- astronautics — the science and technology of space flight
- astrotourist — a person who pays to travel into space as a form of recreation
- astroturfing — a PR tactic used in politics and advertising in which actors are paid to display overt and apparently spontaneous grassroots support for a particular product, policy, or event
- at all hours — If you say that something happens at all hours of the day or night, you disapprove of it happening at the time that it does or as often as it does.
- atheromatous — a sebaceous cyst.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- attenborough — Sir David. born 1926, British naturalist and broadcaster; noted esp for his TV series Life on Earth (1978), The Living Planet (1983), The Life of Birds (1998), The Life of Mammals (2002), and First Life (2010)
- 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.
- auditorially — Anatomy, Physiology. pertaining to hearing, to the sense of hearing, or to the organs of hearing.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- austronesian — of or relating to Austronesia, its peoples, or their languages
- autapomorphy — (cladistics) A derived trait that is unique to a particular taxon.
- authorizable — able to be authorized
- auto-erotism — the arousal and satisfaction of sexual excitement within or by oneself, as by masturbation.
- autoanalyzer — any of various automatic devices that test and analyze chemicals, blood, etc.
- autochangers — Plural form of autochanger.
- autocratical — Autocratic.
- autocritique — the examination of factors guiding one's thoughts, beliefs and actions; self-criticism
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autodiallers — Plural form of autodialler.
- autoexposure — A device that sets the exposure automatically on a camera or other piece of equipment.
- autographing — Present participle of autograph.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- autoreactive — (immunology, medicine) Acting against the organism by which it was produced.
- autorhythmic — That generates its own rhythm.
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- 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
- 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
- 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.
- bardolatrous — relating to or characterized by bardolatry
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- barratrously — In a barratrous manner.
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- 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.
- beaufort sea — part of the Arctic Ocean off the N coast of North America
- binocularity — binocular characteristics
- bioturbation — the stirring of sediment by organisms