12-letter words containing a, b, i, u
- birket karun — a lake in N Egypt. 25 miles (40 km) long; about 5 miles (8 km) wide; 90 sq. mi. (233 sq. km).
- birth trauma — an emotional shock caused by being born.
- biscuit ware — unglazed earthenware
- black liquor — (in making wood pulp for paper) the liquor that remains after digestion.
- black muslim — a member of the Black Muslims
- black-figure — pertaining to or designating a style of vase painting developed in Greece in the 7th and 6th centuries b.c., chiefly characterized by silhouetted figures painted in black slip on a red clay body, details incised into the design, and a two-dimensional structure of form and space.
- blastulation — the process of blastula formation
- blaue reiter — der Blaue Reiter. a group of German expressionist painters formed in Munich in 1911, including Kandinsky and Klee, who sought to express the spiritual side of man and nature, which they felt had been neglected by impressionism
- blue catfish — a large freshwater catfish, Ictalurus furcatus, that is a popular food fish in the states of the Mississippi River valley.
- blue jasmine — a southern U.S. shrubby vine, Clematis crispa, of the buttercup family, having solitary, bell-shaped, blue or bluish-purple to pink flowers and bearing fruit with silky appendages.
- bluefin tuna — the largest tuna (Thunnus thynnus): it has bright red flesh and is important as a game and food fish
- 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
- 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
- boatbuilding — Boatbuilding is the craft or industry of making boats.
- boudin blanc — a boiled sausage made with light-colored meat, as veal or chicken, and without blood
- bougainville — an island in the W Pacific, in Papua New Guinea: the largest of the Solomon Islands: unilaterally declared independence in 1990; occupied by government troops in 1992, and granted autonomy in 2001. Chief town: Kieta. Area: 10 049 sq km (3880 sq miles)
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- boulevardier — (originally in Paris) a fashionable man, esp one who frequents public places
- brain tumour — a tumour that is situated in the brain
- brains trust — a group of knowledgeable people who discuss topics in public or on radio or television
- braunschweig — Brunswick
- breuer chair — a chair with a frame of continuous chrome tubing, no back legs, and cane seat and back
- brevicaudate — having a short tail.
- bridal suite — a room or set of rooms in a hotel for newly married couples
- bring around — If you bring someone around when they are unconscious, you make them become conscious again.
- brushability — the quality of being brushable
- buccaneering — If you describe someone as buccaneering, you mean that they enjoy being involved in risky or even dishonest activities, especially in order to make money.
- buccaneerish — of or relating to a buccaneer
- buccolingual — of or relating to the cheek and tongue.
- buck private — a common soldier
- bud mutation — a variation produced by a genetic alteration in the bud such that the seeds produced by the resulting growth perpetuate the change in succeeding generations.
- 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)
- buffalo bill — nickname of William Frederick Cody. 1846–1917, US showman who toured Europe and the US with his famous Wild West Show
- buffalo bird — a cowbird, Molothrus ater, of North America.
- buffalo fish — any of a genus (Ictiobus) of large, humpbacked, freshwater sucker fishes found in North America
- bulk carrier — a ship that carries unpackaged cargo, usually consisting of a single dry commodity, such as coal or grain
- bull mastiff — a large powerful breed of dog with a short usually fawn or brindle coat, developed by crossing the bulldog with the mastiff
- bull-baiting — the setting of dogs on a chained or confined bull, formerly a popular pastime in England
- bullet train — a passenger train that travels at very high speed
- bumping race — (esp at Oxford and Cambridge) a race in which rowing eights start an equal distance one behind the other and each tries to bump the boat in front
- bunco artist — a confidence trickster or con artist
- bunny rabbit — rabbit
- buoyancy aid — a type of usually foam-filled lifejacket designed for use in sports such as canoeing
- bur marigold — any plant of the genus Bidens that has yellow flowers and pointed fruits that cling to fur and clothing: family Asteraceae (composites)
- bureaucratic — Bureaucratic means involving complicated rules and procedures which can cause long delays.
- burial mound — a barrow
- burj khalifa — a slender tapering skyscraper in Dubai; completed in 2009; the world's tallest man-made structure, standing at 828m (2716 ft)
- 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)