12-letter words containing a, r, u, s, i
- arseniferous — Lb geology Containing or producing arsenic.
- arseniureted — combined with arsenic
- arsino group — the univalent group H 2 As−.
- articulators — Plural form of articulator.
- arts council — an organization that provides funding for a variety of arts activities
- ashurbanipal — died ?626 bc, king of Assyria (?668–?626): son of Esarhaddon. He built the magnificent palace and library at Nineveh
- assurbanipal — Ashurbanipal
- 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
- 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.
- attributions — Plural form of attribution.
- austin friar — one of the Hermits of St. Augustine.
- australasian — Australasian means belonging or relating to Australasia or to its people.
- 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
- auto-erotism — the arousal and satisfaction of sexual excitement within or by oneself, as by masturbation.
- autodiallers — Plural form of autodialler.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- avariciously — characterized by avarice; greedy; covetous.
- avascularity — the condition of having few blood vessels or of being without blood vessels
- aviculturist — A person who keeps and rears (breeds) birds.
- bankruptcies — Plural form of bankruptcy.
- barbiturates — any of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- basque shirt — a knitted pullover shirt having a crew neck, long or short sleeves, and a pattern of horizontal stripes.
- bearskin rug — the pelt of a bear, used as a rug
- beaumarchais — Pierre Augustin Caron de (pjɛr oɡystɛ̃ karɔ̃ də). 1732–99, French dramatist, noted for his comedies The Barber of Seville (1775) and The Marriage of Figaro (1784)
- beauty strip — a narrow forest corridor left uncut alongside a road or body of water.
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- biohazardous — a pathogen, especially one used in or produced by biological research.
- biscuit ware — unglazed earthenware
- blues guitar — blues guitar music
- bluesnarfing — the practice of using one Bluetooth-enabled mobile phone to steal contact details, ring tones, images, etc from another
- brains trust — a group of knowledgeable people who discuss topics in public or on radio or television
- braunschweig — Brunswick
- bridal suite — a room or set of rooms in a hotel for newly married couples
- brushability — the quality of being brushable
- buccaneerish — of or relating to a buccaneer
- 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
- 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 sienna — a reddish-brown dye or pigment obtained by roasting raw sienna in a furnace
- burro's tail — a succulent Mexican plant, Sedum morganianum, of the stonecrop family, bearing small, rose-colored flowers and long, hanging, nearly cylindrical stems with closely packed whitish-green leaves.
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- calumniators — Plural form of calumniator.
- canterburies — Plural form of canterbury.
- capitularies — Plural form of capitulary.
- capriciously — subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.