17-letter words containing b, i, o, s
- beyond comparison — outstanding, without equal
- bicycle motocross — a bicycle race over a rough cross-country course, usually consisting of jumps, obstacles, and turns. Abbreviation: BMX.
- bighorn mountains — range of the Rocky Mountains in N Wyo. and S Mont.: highest peak, 13,165 ft (4,013 m)
- binary opposition — a relation between the members of a pair of linguistic items, as a pair of distinctive features, such that one is the absence of the other, as voicelessness and voice, or that one is at the opposite pole from the other, as stridency and mellowness.
- binet-simon scale — a test comprising questions and tasks, used to determine the mental age of subjects, usually children
- bioelectrogenesis — the production of electricity by organisms.
- biological shield — a protective shield impervious to radiation, esp the thick concrete wall surrounding the core of a nuclear reactor
- biotransformation — the metabolizing of some substance, esp. a drug, in the body
- bite one's tongue — either of the two fleshy parts or folds forming the margins of the mouth and functioning in speech.
- black nationalism — a movement advocating the establishment of a separate black nation within the U.S.
- black swallowtail — the tail of a swallow or a deeply forked tail like that of a swallow.
- black-box testing — functional testing
- blackout curtains — thick, lined curtains designed to shut out all daylight and keep a room in complete darkness
- bland-allison act — an act of Congress (1878) requiring the federal government to purchase at the market price from two to four million dollars' worth of silver monthly for conversion into silver dollars containing 16 times more silver per coin than gold in dollar coins of gold.
- blasphemous libel — In Britain, previously, the crime committed if a person insults, offends, or vilifies the deity, Christ, or the Christian religion
- block association — an association for the residents of a particular block in a neighbourhood to discuss and act on matters of common concern
- blood transfusion — A blood transfusion is a process in which blood is injected into the body of a person who is badly injured or ill.
- blowpipe analysis — a type of chemical analysis in which the intensely hot flame of a blowpipe vaporizes a mineral or other substance with a characteristically colored flame and a unique odor, so as to identify chemical elements in a substance
- blue false indigo — a North American plant, Baptisia australis, of the legume family, having wedge-shaped leaflets and blue, clustered flowers.
- board of estimate — a special organ of a municipal government, as of New York City, composed of the mayor, the president of the city council, and the controller, and charged with approving the city's budget and fiscal matters.
- board-and-shingle — a small dwelling with wooden walls and a shingle roof
- boatswain's chair — a seat consisting of a short flat board slung from ropes, used to support a person working on the side of a vessel or in its rigging
- boileau-despreaux — Nicolas [nee-kaw-lah] /ni kɔˈlɑ/ (Show IPA), 1636–1711, French critic and poet.
- boiler horsepower — a unit of measurement of the ability of a boiler to evaporate water, usually given as the ability to evaporate 34½ pounds (15.6 kg) of water an hour, into dry saturated steam from and at 212°F (100°C).
- boothia peninsula — a peninsula of N Canada: the northernmost part of the mainland of North America, lying west of the Gulf of Boothia, an arm of the Arctic Ocean
- bore-stroke ratio — The bore-stroke ratio is the ratio of bore to stroke. A ratio of 1:1 is referred to informally as square.
- bottom-up testing — (programming) An integration testing technique that tests the low-level components first using test drivers for those components that have not yet been developed to call the low-level components for test. Compare bottom-up implementation.
- bowel obstruction — a blockage in the bowel
- boys will be boys — If you say boys will be boys, for example when a group of men are behaving noisily or aggressively, you are suggesting in a light-hearted way that this is typical male behaviour and will never change.
- bradford spinning — a wool-spinning method in which the fibers are oiled prior to combing and subsequently spun into worsted yarn.
- breach of promise — (formerly) failure to carry out one's promise to marry
- breakdown service — a service that provides assistance to motorists who break down
- bricks and mortar — You can use bricks and mortar to refer to houses and other buildings, especially when they are considered as an investment.
- british cameroons — a former British trust territory of West Africa
- british columbian — of or relating to British Columbia or its inhabitants
- british shorthair — a breed of large cat with a short dense coat
- british-cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- broadview heights — a town in N Ohio.
- broderie anglaise — open embroidery on white cotton, fine linen, etc
- browserconfig.xml — (web) A Microsoft configuration file used to customise the appearance and behaviour of website links pinned to the Windows start screen or desktop taskbar. browserconfig.xml allows the site owner to specify things like badges and tile images.
- budget resolution — a resolution adopted by both houses of the U.S. Congress setting forth, reaffirming, or revising the budget for the U.S. government for a fiscal year.
- bull's-eye mirror — a circular, convex, ornamental mirror.
- bull's-eye window — bull's-eye (def 7).
- business envelope — an envelope into which standard-size (81⁄2″ × 11″) letterhead stationery can be put with only two folds
- business unionism — the trade-union philosophy and activity that concentrates on the improvement of wages, hours, working conditions, etc., rather than on the general reform of the capitalistic system.
- buttonhole stitch — a reinforcing looped stitch for the edge of material, such as around a buttonhole
- buyers' inflation — inflation in which rising demand results in a rise in prices.
- carbon disulphide — a colourless slightly soluble volatile flammable poisonous liquid commonly having a disagreeable odour due to the presence of impurities: used as an organic solvent and in the manufacture of rayon and carbon tetrachloride. Formula: CS2
- carbon offsetting — a program in which a company, country, etc., reduces or offsets its carbon emissions through the funding of activities and projects that improve the environment: Carbon offsetting does not always have a quantifiable impact on the planet.
- carbonic-acid gas — carbon dioxide