12-letter words containing a, b, s, u
- base bullion — smelted lead containing impurities, as gold, silver, or zinc, that are later removed.
- base jumping — a sport in which a participant parachutes from any of a variety of fixed objects such as high buildings, cliffs, etc
- bashi-bazouk — a member of the notoriously brutal 19th-cent. Turkish irregulars
- bashibazouks — Plural form of bashibazouk.
- basque shirt — a knitted pullover shirt having a crew neck, long or short sleeves, and a pattern of horizontal stripes.
- basset hound — A basset hound is a dog with short strong legs, a long body, and long ears. It is kept as a pet or used for hunting.
- bastel house — (on the Anglo-Scottish border) a partly fortified house, usually with a vaulted ground floor.
- bathing suit — A bathing suit is a piece of clothing which people wear when they go swimming.
- bathophilous — (of an organism) living in very deep water
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- beardtongues — Plural form of beardtongue.
- bearskin rug — the pelt of a bear, used as a rug
- beaufort sea — part of the Arctic Ocean off the N coast of North America
- 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)
- beautifulest — (dated) Most beautiful; more beautiful than anyone or anything else.
- beauty salon — A beauty salon is the same as a beauty parlour.
- beauty sleep — sleep, esp sleep before midnight
- beauty strip — a narrow forest corridor left uncut alongside a road or body of water.
- beef sausage — a sausage made of beef rather than pork
- 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.
- bevel square — a woodworker's square with an adjustable arm that can be set to mark out an angle or to check the slope of a surface
- bhubaneshwar — a state in E India. 60,136 sq. mi. (155,752 sq. km). Capital: Bhubaneshwar.
- bilingualism — Bilingualism is the ability to speak two languages equally well.
- bioacoustics — the study of animals' use of sound
- biohazardous — a pathogen, especially one used in or produced by biological research.
- biscuit ware — unglazed earthenware
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black locust — Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers.
- black muslim — a member of the Black Muslims
- black spruce — a coniferous tree, Picea mariana, of the northern regions of North America, growing mostly in cold bogs and having dark green needles
- black sucker — a hog sucker, Hypentelium nigricans, of eastern U.S. streams.
- blastulation — the process of blastula formation
- 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.
- blue-sky law — a state law regulating the trading of securities: intended to protect investors from fraud
- 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
- bombacaceous — of, relating to, or belonging to the Bombacaceae, a family of tropical trees, including the kapok tree and baobab, that have very thick stems, often with water-storing tissue
- bounce flash — a flash lamp designed to produce a bounced flash.
- brachycerous — (of insects) having short antennae
- bradmanesque — (of a batsman or innings) reminiscent of Sir Don Bradman in terms of dominance over the opposing bowlers
- brains trust — a group of knowledgeable people who discuss topics in public or on radio or television
- brass plaque — a brass plate screwed to a wall or other structure and engraved with a name or other information, esp to commemorate an important event
- brassfounder — a person who makes things from brass
- braunschweig — Brunswick
- breastplough — a plough driven by the worker's breast, often used to pare turf
- breastsummer — a girder extending across a large opening in a building to support the wall above, used primarily over shop-fronts
- bridal suite — a room or set of rooms in a hotel for newly married couples
- 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)
- brushability — the quality of being brushable