17-letter words containing a, b, l, t, o
- black forest cake — a torte consisting typically of thin layers of chocolate cake spread with alternating layers of chocolate, cherry, and whipped-cream filling and covered with whipped cream
- 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 swallowwort — celandine (def 1).
- 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
- blue dog democrat — a fiscally conservative member of the Democratic Party
- blue sky software — eHelp Corporation
- 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
- 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.
- bombardier beetle — any of various small carabid beetles of the genus Brachinus, esp B. crepitans of Europe, which defend themselves by ejecting a jet of volatile fluid
- boolean operation — any operation in which each of the operands and the result take one of two values.
- 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
- boots and saddles — a bugle call formerly used in the US Cavalry to summon soldiers to mount
- bottlebrush grass — a North American grass, Hystrix patula, having loose flower spikes with long awns.
- bouncebackability — the ability to recover after a setback, esp in sport
- branch delay slot — delayed control-transfer
- brazilian peridot — a light yellowish-green tourmaline used as a gem: not a true peridot.
- breakdown voltage — the minimum applied voltage that would cause a given insulator or electrode to break down.
- breathe life into — revive, rejuvenate
- british columbian — of or relating to British Columbia or its inhabitants
- brompton cocktail — an analgesic mixture, usually containing morphine and cocaine and sometimes other narcotic substances in an alcohol solution, administered primarily to advanced cancer patients.
- bronze star medal — a U.S. military decoration awarded for heroic or meritorious achievement or service in combat not involving aerial flight
- budgetary control — a system of managing a business by applying a financial value to each forecast activity. Actual performance is subsequently compared with the estimates
- buyers' inflation — inflation in which rising demand results in a rise in prices.
- buys ballot's law — a law stating that if an observer stands with his back to the wind in the N hemisphere, atmospheric pressure is lower on his left, and vice versa in the S hemisphere
- buys-ballot's law — the law stating that if one stands with one's back to the wind, in the Northern Hemisphere the atmospheric pressure will be lower on one's left and in the Southern Hemisphere it will be lower on one's right: descriptive of the relationship of horizontal winds to atmospheric pressure.
- calcium carbonate — a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO3
- called to the bar — admitted to the practice of law as a barrister
- camberwell carrot — a large, almost conical, marijuana cigarette
- canadian football — a game resembling American football, played on a grass pitch between two teams of 12 players
- checkable deposit — a checking account
- chicklet keyboard — (spelling) It's spelled "chiclet keyboard".
- chocolate biscuit — a biscuit covered with chocolate
- city of gibraltar — a city on the Rock of Gibraltar, a limestone promontory at the tip of S Spain: settled by Moors in 711 and taken by Spain in 1462; ceded to Britain in 1713; a British crown colony (1830–1969), still politically associated with Britain; a naval and air base of strategic importance. Pop: 29 111 (2013 est). Area: 6.5 sq km (2.5 sq miles)
- clare boothe luce — Clare Boothe, 1903–87, U.S. writer, politician, and diplomat.
- clear box testing — white box testing
- coffee-table book — A coffee-table book is a large expensive book with a lot of pictures, which is designed to be looked at rather than to be read properly, and is usually placed where people can see it easily.
- coliform bacteria — a large group of bacteria inhabiting the intestinal tract of humans and animals that may cause disease and whose presence in water is an indicator of faecal pollution
- collaborativeness — Quality of being collaborative.
- combinatory logic — (logic) A system for reducing the operational notation of logic, mathematics or a functional language to a sequence of modifications to the input data structure. First introduced in the 1920's by Schoenfinkel. Re-introduced independently by Haskell Curry in the late 1920's (who quickly learned of Schoenfinkel's work after he had the idea). Curry is really responsible for most of the development, at least up until work with Feys in 1958. See combinator.