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16-letter words starting with b

  • blackwater fever — a rare and serious complication of malaria, characterized by massive destruction of red blood cells, producing dark red or blackish urine
  • blasting gelatin — a type of plastic dynamite containing about 7 percent of a cellulose nitrate, used chiefly in underwater work.
  • bleaching powder — a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant
  • bleeder resistor — a resistor connected across the output terminals of a power supply in order to improve voltage regulation and to discharge filter capacitors
  • blended learning — the use of both classroom teaching and on-line learning
  • blenheim spaniel — a variety of toy spaniel that is white with reddish-brown spots
  • blind man's buff — a game in which a blindfolded person tries to catch and identify the other players
  • blind man's rule — a carpenter's rule having large numbers to permit its reading in dim light.
  • blind salamander — any of several North American salamanders, especially of the genera Typhlotriton, Typhlomolge, and Haideotriton, that inhabit underground streams or deep wells and have undeveloped eyes and scant pigmentation.
  • blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
  • block and tackle — a hoisting device in which a rope or chain is passed around a pair of blocks containing one or more pulleys. The upper block is secured overhead and the lower block supports the load, the effort being applied to the free end of the rope or chain
  • block-structured — (language)   Any programming language in which sections of source code contained within pairs of matching delimiters such as "" and "" (e.g. in C) or "begin" and "end" (e.g. Algol) are executed as a single unit. A block of code may be the body of a subroutine or function, or it may be controlled by conditional execution (if statement) or repeated execution (while statement, for statement, etc.). In all but the most primitive block structured languages a variable's scope can be limited to the block in which it is declared. Block-structured languages support structured programming where each block can be written without detailed knowledge of the inner workings of other blocks, thus allowing a top-down design approach. See also abstract data type, module.
  • blocked currency — a currency that is not freely convertible because of exchange controls imposed on it
  • blonde bombshell — Journalists sometimes use blonde bombshell to refer to a woman with blonde hair who is very attractive.
  • blood substitute — a substance such as plasma, albumin, or dextran, used to replace lost blood or increase the blood volume
  • bloomsbury group — a group of writers, artists, and intellectuals living and working in and around Bloomsbury in London from about 1907 to 1930. Influenced by the philosophy of G. E. Moore, they included Leonard and Virginia Woolf, Clive and Vanessa Bell, Roger Fry, E. M. Forster, Lytton Strachey, Duncan Grant, and John Maynard Keynes
  • blow one's cover — to be or serve as a covering for; extend over; rest on the surface of: Snow covered the fields.
  • blow one's lines — (of the wind or air) to be in motion.
  • blow one's stack — to lose one's temper; fly into a rage
  • blow the lid off — a removable or hinged cover for closing the opening, usually at the top, of a pot, jar, trunk, etc.; a movable cover.
  • blow the whistle — to inform (on)
  • blue dawn-flower — a tropical American vine, Ipomoea acuminata, of the morning glory family, having large, funnel-shaped flowers that turn from blue to pink.
  • blue huckleberry — tangleberry.
  • blue in the face — the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nm.
  • blue mockingbird — any of several gray, black, and white songbirds of the genus Mimus, especially M. polyglottos, of the U.S. and Mexico, noted for their ability to mimic the songs of other birds.
  • blue-green algae — any of a division (Cyanophycota) of photosynthetic monerans, microorganisms that contain a blue pigment which obscures the chlorophyll; cyanobacteria
  • blue-ribbon jury — a jury composed of persons having more than ordinary education and presumably exceptional intelligence and perceptiveness, selected by the court on the motion of plaintiff or defendant to try cases of unusual complexity or importance.
  • blue-winged teal — a small North American duck (Anas discors) found on ponds and rivers
  • bluegrass region — a region in central Kentucky, famous for its horse farms and fields of bluegrass.
  • blunt instrument — something such as a hammer, used as a weapon
  • board and batten — a siding consisting of wide boards or of sheets of plywood set vertically with butt joints covered by battens.
  • board of inquiry — a group set up to inquire into accidents, etc
  • board of pardons — an agency that determines which prisoners are to be released on parole or discretionary mandatory supervision and recommends pardons
  • boarding kennels — a place where dog owners can pay to have their dogs looked after while they are away
  • boarding officer — a coastguard who boards ships suspected of carrying illegal cargoes or posing a security risk
  • boatswain's mate — a job classification in the US navy
  • boatswain's pipe — a whistle used formerly to give orders on board ship
  • bob's your uncle — everything is or will turn out all right
  • bodily functions — physical processes such as urination and defecation
  • boeuf bourgignon — casserole of beef, vegetables, herbs, etc, cooked in red wine
  • bog whortleberry — a plant, Vaccinium uliginosum, of mountain regions, having pink flowers and black fruits
  • bohemian waxwing — any of several songbirds of the family Bombycillidae, having a showy crest and certain feathers tipped with a red, waxy material, as Bombycilla garrulus (Bohemian waxwing) of the Northern Hemisphere.
  • bois de boulogne — a large park in W Paris, formerly a forest: includes the racecourses of Auteuil and Longchamp
  • bois de rose oil — rosewood oil.
  • bomb calorimeter — a device for determining heats of combustion by igniting a sample in a high pressure of oxygen in a sealed vessel and measuring the resulting rise in temperature: used for measuring the calorific value of foods
  • bombing campaign — a concerted, intensive and prolonged bombing of a target
  • bon gre, mal gre — whether willing or not; willy-nilly.
  • bonded warehouse — a warehouse in which dutiable goods are deposited until duty is paid or the goods are cleared for export
  • bonhomme richard — the flagship of John Paul Jones.
  • bonneville flats — an area of salt flats in the W part of Great Salt Lake Desert, in NW Utah: site of automobile speed tests.
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