12-letter words containing r, o, b, s
- boiler house — a building housing a boiler
- bois de rose — a grayish red or dark purplish red color.
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- bond servant — a person who serves in bondage; slave.
- bonus number — (in the National Lottery) a number announced after the normal six numbers which influences the amount of prize money paid
- bookcrossing — the practice of deliberately leaving books in places where they will be found and read by other people
- boom-or-bust — boom-and-bust.
- boomer state — Oklahoma
- booster dose — a supplementary injection of a vaccine given to maintain the immunization provided by an earlier dose
- booster pump — A booster pump is a pump which is used where pressure is low and needs to be increased.
- booster seat — A booster seat or a booster cushion is a special seat which allows a small child to sit in a higher position, for example at a table or in a car.
- booster shot — an injection of a vaccine or other antigen some time after the initial series of injections, for maintaining immunity
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in
- booze cruise — a day trip to a foreign country, esp from England across the English Channel to France, for the purposes of buying cheap alcohol, cigarettes, etc
- border state — a state adjacent to a border
- border taxes — taxes payable on goods taken across a border
- borosilicate — a salt of boric and silicic acids
- borscht belt — (sometimes initial capital letters) the hotels of the predominantly Jewish resort area in the Catskill Mountains, many of them offering nightclub or cabaret entertainment.
- bosom friend — an intimate friend
- bossier city — city in NW La., on the Red River opposite Shreveport: pop. 56,000
- botrytis rot — a disease of many plants caused by fungi of the genus Botrytis, characterized by leaf blight, a tan-gray moldlike surface growth, and the rotting of stems and storage organs.
- bottlewasher — a person or machine that washes bottles.
- bottom grass — any grass that grows on bottoms or lowlands.
- bourbon rose — a hybrid rose, Rosa borboniana, having dark, carmine-colored flowers, cultivated in many horticultural varieties.
- bourgeoisify — to convert to a bourgeois attitude or appearance
- bourne shell — (sh, Shellish). The original command-line interpreter shell and script language for Unix written by S.R. Bourne of Bell Laboratories in 1978. sh has been superseded for interactive use by the Berkeley C shell, csh but still widely used for writing shell scripts. There were even earlier shells, see glob. [Details?]
- bovver boots — heavy boots worn by some teenage youths in Britain, used in gang fights
- bow thruster — a propeller located in a ship's bow to provide added maneuverability, as when docking.
- box lacrosse — a form of lacrosse played indoors, usually on a hockey rink with a wooden floor, between two teams of six players.
- boxer shorts — Boxer shorts are loose-fitting men's underpants that are shaped like the shorts worn by boxers.
- brachycerous — (of insects) having short antennae
- braggadocios — empty boasting; bragging.
- brainstormer — a person who brainstorms
- brass-collar — unwaveringly faithful to a political party; voting the straight ticket: a brass-collar Democrat.
- brassfounder — a person who makes things from brass
- breastplough — a plough driven by the worker's breast, often used to pare turf
- breaststroke — Breaststroke is a swimming stroke which you do lying on your front, moving your arms and legs horizontally in a circular motion.
- bridge house — a deckhouse including a bridge or bridges for navigation.
- brisbane box — a broad-leaved evergreen tree, Tristania conferta, native to Australia, having a deciduous outer bark.
- brise-soleil — a structure used in hot climates to protect a window from the sun, usually consisting of horizontal or vertical strips of wood, concrete, etc
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- broadcasting — Broadcasting is the making and sending out of television and radio programmes.
- broca's area — the region of the cerebral cortex of the brain concerned with speech; the speech centre
- bromhidrosis — the secretion of foul-smelling sweat.
- bronchoscope — an instrument for examining and providing access to the interior of the bronchial tubes
- bronchoscopy — an examination by means of a bronchoscope.
- bronchospasm — an abnormal contraction of the bronchi resulting in restriction of the airway
- broncobuster — (in the western US and Canada) a cowboy who breaks in broncos or wild horses
- 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)