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16-letter words containing b, a

  • black woodpecker — a large woodpecker, Dryocopus martius, found in parts of Eurasia and Africa
  • black-eyed susan — any of several North American plants of the genus Rudbeckia, esp R. hirta, having flower heads of orange-yellow rays and brown-black centres: family Asteraceae (composites)
  • black-letter day — an unlucky or tragic day.
  • black-light trap — a trap for insects that uses ultraviolet light as an attractant.
  • blacktailed deer — a mule deer, esp. the subspecies (Odocoileus hemionus columbianus) found from N Calif. to British Columbia
  • 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
  • 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
  • blow one's stack — to lose one's temper; fly into a rage
  • 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 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-green algae — any of a division (Cyanophycota) of photosynthetic monerans, microorganisms that contain a blue pigment which obscures the chlorophyll; cyanobacteria
  • 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.
  • 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
  • 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.
  • 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.
  • book of the dead — in ancient Egypt, a book of prayers and charms meant to help the soul in the afterworld
  • boolean-operator — any operation in which each of the operands and the result take one of two values.
  • bootstrap loader — (operating system)   A short program loaded from non-volatile storage and used to bootstrap a computer. On early computers great efforts were expended on making the bootstrap loader short, in order to make it easy to toggle in via the front panel switches. It was just clever enough to read in a slightly more complex program (usually from punched cards or paper tape), to which it handed control. This program in turn read the application or operating system from a magnetic tape drive or disk drive. Thus, in successive steps, the computer "pulled itself up by its bootstraps" to a useful operating state. Nowadays the bootstrap loader is usually found in ROM or EPROM, and reads the first stage in from a fixed location on the disk, called the "boot block". When this program gains control, it is powerful enough to load the actual OS and hand control over to it. A diskless workstation can use bootp to load its OS from the network.
  • bootstrap memory — memory that allows new programs to be entered because some simple preliminary instructions or information are already built in.
  • bordeaux mixture — a fungicide consisting of a solution of equal quantities of copper sulphate and quicklime
  • bordelaise sauce — a dark sauce made from meat stock, flour, wine, onions, seasonings, etc., served over broiled meat
  • boreal chickadee — a brown-capped, black-throated chickadee (Parus hudsonicus) found near the Atlantic coast from Labrador to N New York
  • bornholm disease — an epidemic virus infection characterized by pain round the base of the chest
  • borosilicic acid — any of several hypothetical acids that form borosilicates.
  • boston cream pie — a cake of two layers with icing and a creamy filling
  • boston tea party — a raid in 1773 made by citizens of Boston (disguised as Indians) on three British ships in the harbour as a protest against taxes on tea and the monopoly given to the East India Company. The contents of several hundred chests of tea were dumped into the harbour
  • botanical garden — a place where collections of plants and trees are kept for scientific study and exhibition
  • bouillotte table — a small round table of the 18th century, having around its top a gallery within which a bouchon could be set for the playing of card games.
  • boundary dispute — dispute between neighbours about the boundary between their properties
  • bouquet larkspur — a plant, Delphinium grandiflorum, of eastern Asia, having blue or whitish flowers and hairy fruit.
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