17-letter words containing t, o, a, n
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- balance of nature — the stable state in which natural communities of animals and plants exist, maintained by adaptation, competition, and other interactions between members of the communit ies and their nonliving environment
- balance of terror — military deterrence based on the possession of weapons of mass destruction by opponents in a conflict
- balance the books — do accounting
- bald-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
- bangalore torpedo — an explosive device in a long metal tube, used to blow gaps in barbed-wire barriers
- barrel distortion — distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards
- bartholin's gland — either of two small glands near the vaginal opening: during sexual excitement they secrete a mucous lubricating substance
- baseboard heating — a heating system by pipes, through which steam or hot water circulates, near the base of the walls of rooms
- basic proposition — protocol (def 6).
- bathroom fittings — plumbing fixtures or accessories suitable for use in a bathroom
- battle of britain — (in World War II) the series of aerial combats that took place between British and German aircraft during the autumn of 1940 and that included the severe bombardment of British cities.
- beat one's brains — to try hard to remember, understand, or solve something
- beat one's breast — to display guilt and remorse publicly or ostentatiously
- beat to the punch — to be quicker than (another) in doing something, as in striking a blow
- beefsteak begonia — an ornamental plant, Begonia erythrophylla, having light-pink flowers and nearly round, thick, fleshy leaves that are red on the underside.
- benjamin-constant — Henri Benjamin [ahn-ree ban-zha-man] /ɑ̃ˈri bɛ̃ ʒaˈmɛ̃/ (Show IPA), (Benjamin Constant) 1767–1830, French statesman and author, born in Switzerland.
- benoit mandelbrot — (person) /ben'wa man'dl-bro/ Benoit B. Mandelbrot. The IBM scientist who wrote several original books on fractals and gave his name to the set he was discovered, the Mandelbrot set and coined the term "fractal" in 1975 from the Latin fractus or "to break".
- bent out of shape — very angry, upset, or agitated
- bighorn mountains — range of the Rocky Mountains in N Wyo. and S Mont.: highest peak, 13,165 ft (4,013 m)
- bill of adventure — a certificate made out by a merchant to show that goods handled by him and his agents are the property of another party at whose risk the dealing is done
- bill of attainder — (formerly) a legislative act finding a person guilty without trial of treason or felony and declaring him attainted
- 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
- biological parent — a parent who has conceived (biological mother) or sired (biological father) rather than adopted a child and whose genes are therefore transmitted to the child.
- biotransformation — the metabolizing of some substance, esp. a drug, in the body
- birth of a nation — an American film (1915), directed by D. W. Griffith.
- bitter almond oil — almond oil (def 2).
- bitter-almond-oil — Also called sweet almond oil, expressed almond oil. a colorless to pale yellow fatty oil expressed from the seeds of the sweet almond, used in preparing perfumes and confections.
- bjarne stroustrup — (person) The father of C++ and author of the C++ bible.
- black nationalism — a movement advocating the establishment of a separate black nation within the U.S.
- 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.
- blank endorsement — an endorsement on a bill of exchange, cheque, etc, naming no payee and thus making the endorsed sum payable to the bearer
- block association — an association for the residents of a particular block in a neighbourhood to discuss and act on matters of common concern
- blocking antibody — Immunology. an antibody that partly combines with an antigen and interferes with cell-mediated immunity, thereby preventing an allergic reaction.
- blood and thunder — A blood and thunder performer or performance is very loud and emotional.
- 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.
- blood-and-thunder — sensationalism, violence, or exaggerated melodrama: a movie full of blood and thunder.
- blow hot and cold — to vacillate
- bluegrass country — region in central Ky. where there is much bluegrass
- boat-billed heron — a nocturnal, tropical American wading bird (Cochlearius cochlearius) with a large, broad bill: it is the only member of a family (Cochleariidae) of wading birds
- 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
- body center plate — one of a pair of plates that fit together and support the body of a car on a truck, while allowing the truck to rotate with respect to the body. One plate (body center plate) is attached to the underside of the car body and the other (truck center plate) is part of the car truck.
- body modification — any method of permanently adorning the body, including tattooing and piercing
- bohemian brethren — a Protestant Christian sect formed in the 15th century from various Hussite groups, which rejected oaths and military service and advocated a pure and disciplined spiritual life. It was reorganized in 1722 as the Moravian Church
- bond immunization — immunization (def 2).
- book depreciation — Book depreciation is depreciation in a company's internal financial records that is different from the amount that is used for taxes.
- boolean operation — any operation in which each of the operands and the result take one of two values.