17-letter words containing i, t, s, a
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- ballistic missile — a missile that has no wings or fins and that follows a ballistic trajectory when its propulsive power is discontinued
- barmecide (feast) — a pretended feast with no food
- 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
- basal anaesthesia — preliminary and incomplete anaesthesia induced to prepare a surgical patient for total anaesthesia with another agent
- base lending rate — a minimum interest rate on which financial institutions base the rates they use for lending
- 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).
- basic service set — (networking) (BSS) A wireless local area network and all the wireless devices (e.g. PCs and laptops) that are associated with it. A BSS may or may not include an access point and is identified by a BSSID.
- bathroom fittings — plumbing fixtures or accessories suitable for use in a bathroom
- be that as it may — You say 'Be that as it may' when you want to move onto another subject or go further with the discussion, without deciding whether what has just been said is right or wrong.
- beat one's brains — to try hard to remember, understand, or solve something
- beauty specialist — a person who helps someone to improve their beauty, such as a make-up artist
- beefsteak begonia — an ornamental plant, Begonia erythrophylla, having light-pink flowers and nearly round, thick, fleshy leaves that are red on the underside.
- beer and skittles — enjoyment or pleasure
- bell laboratories — One of AT&T's research sites, in Murray Hill, New Jersey, USA. It was the birthplace of the transistor, Unix, C and C++ and the current home of research on Plan 9 and ODE.
- bell-hanger's bit — a bit for drilling small holes through studs or the like.
- 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.
- best first search — (algorithm) A graph search algorithm which optimises breadth first search by ordering all current paths according to some heuristic. The heuristic attempts to predict how close the end of a path is to a solution. Paths which are judged to be closer to a solution are extended first. See also beam search, hill climbing.
- betagalactosidase — any of a family of enzymes capable of liberating galactose from carbohydrates.
- 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
- biotransformation — the metabolizing of some substance, esp. a drug, in the body
- bitmapped display — bitmap display
- 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.
- 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.
- 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.
- 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
- 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.
- 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 israelite — a member of a religious movement claiming that the British people are descended from the lost tribes of Israel
- 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.
- bushman's singlet — a sleeveless heavy black woollen singlet, used as working clothing by timber fellers
- butacaine sulfate — a colorless, crystalline substance, (C18H30N2O2)2·H2SO4, used as a local anesthetic, esp. on mucous membranes
- buyers' inflation — inflation in which rising demand results in a rise in prices.
- cache consistency — cache coherency
- caesarean section — A Caesarean or a Caesarean section is an operation in which a baby is lifted out of a woman's womb through an opening cut in her abdomen.
- café-au-lait spot — a brown patch on the skin that can occur normally in small numbers or in neurofibromatosis, when they are more numerous