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18-letter words containing a, d, o, e

  • blackback flounder — any of various popular food flatfishes, as Parophrys vetulus of the Pacific (English sole) and Pseudopleuronectes americanus of the Atlantic (winter flounder or blackback flounder)
  • bloodbrain barrier — a layer of tightly packed cells that make up the walls of brain capillaries and prevent substances in the blood from diffusing freely into the brain: passage across the cell membranes is determined by solubility in the lipid bilayer or recognition by a transport molecule.
  • board of directors — A company's board of directors is the group of people elected by its shareholders to manage the company.
  • board of education — a group or agency with responsibility for education
  • board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
  • board of examiners — a group of people who officially administer examinations
  • board of governors — a group of people who oversee the running of a school
  • borax pentahydrate — a white, crystalline, water-soluble solid, Na 2 B 4 O 7 ⋅5H 2 O, used chiefly for killing weeds, as a water softener, and as a disinfectant and deodorizing agent.
  • boston baked beans — haricot beans baked with belly pork and molasses
  • boston brown bread — a dark, sweetened, steamed bread made of cornmeal, rye or wheat flour, etc., and molasses
  • bottle-nosed whale — any of various beaked whales of the family Hyperoodontidae, characterized by a bulbous forehead, especially Hyperoodon ampullatus of the North Atlantic.
  • bottom dead center — Bottom dead center is the point at which the piston of an engine is nearest to the axis of the crankshaft. On a vertical engine, this is the lowest point that the piston reaches.
  • bottom dead centre — the position of the crank of a reciprocating engine when the piston is at its nearest point to the crankshaft
  • bounty-fed farmers — farmers who benefit from subsidies
  • bourdon-tube gauge — an instrument for measuring the pressure of gases or liquids, consisting of a semicircular or coiled, flexible metal tube attached to a gauge that records the degree to which the tube is straightened by the pressure of the gas or liquid inside.
  • brand-name product — A brand-name product is one which is made by a well-known manufacturer and has the manufacturer's label on it.
  • brazilian rosewood — a Brazilian tree, Dalbergia nigra, of the legume family.
  • broad-leaved maple — a maple, Acer macrophyllum, of western North America, characterized by dark green, thickened leaves that may reach 12 inches (30 cm) or more in width.
  • broadcasting house — any of a number of buildings in the UK from which the BBC broadcasts or has broadcast
  • business education — education for general knowledge of business practices.
  • butler's sideboard — a sideboard, often with a fall front, having on its top a china cabinet with glazed doors.
  • cape breton island — an island off SE Canada, in NE Nova Scotia, separated from the mainland by the Strait of Canso: its easternmost point is Cape Breton. Pop: 132 298 (2006). Area: 10 280 sq km (3970 sq miles)
  • carbonic anhydrase — an enzyme in blood cells that catalyses the decomposition of carbonic acid into carbon dioxide and water, facilitating the transport of carbon dioxide from the tissues to the lungs
  • carbonic-anhydride — carbon dioxide.
  • carcinoid syndrome — the systemic effects, including flushing, palpitations, diarrhea, and cramps, resulting from increased blood levels of serotonin secreted by a carcinoid.
  • career development — a progression through a series of jobs, each with more responsibility and a higher income than the last
  • carolina chickadee — a chickadee, Parus carolinensis, of the southeastern U.S., resembling but smaller than the black-capped chickadee.
  • cat's cry syndrome — a complex of congenital malformations in human infants caused by a chromosomal aberration and in which the infant emits a mewing cry.
  • cathode dark space — Crookes dark space.
  • cationic detergent — a type of detergent in which the active part of the molecule is a positive ion (cation). Cationic detergents are usually quaternary ammonium salts and often also have bactericidal properties
  • ceiling decoration — a plaster moulding for the centre of a ceiling; other decoration, such as coving
  • centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
  • centum call second — (unit)   (CCS) A unit used (in North America) to quantify the total traffic running in a network. 1 CCS is 100 call-seconds. That means 1 CCS could be 2 calls of 50 seconds duration or 20 calls of 5 seconds duration.
  • cerebral dominance — the normal tendency for one half of the brain, usually the left cerebral hemisphere in right-handed people, to exercise more control over certain functions (e.g. handedness and language) than the other
  • cerenkov radiation — radiation emitted when a charged particle travels through a medium at a speed greater than the speed of light through that medium
  • character disorder — a disorder characterized by socially undesirable behavior, as poor control of impulses or inability to maintain close emotional relationships, and by absence of anxiety or guilt.
  • character encoding — (character)   (Or "character encoding scheme") A mapping between binary data values and character code positions (or "code points"). Early systems stored characters in a variety of ways, e.g. four six-bit characters in a 24-bit word, but around 1960, eight-bit bytes started to become the most common data storage layout, with each character stored in one byte, typically in the ASCII character set. In the case of ASCII, the character encoding is an identity mapping: code position 65 maps to the byte value 65. This is possible because ASCII uses only code positions representable as single bytes, i.e., values between 0 and 255. (US-ASCII only uses values 0 to 127, in fact.) From the late 1990s, there was increased use of larger character sets such as Unicode and many CJK coded character sets. These can represent characters from many languages and more symbols.
  • chartered surveyor — (in Britain) a surveyor who is registered with the Royal Institution of Chartered Surveyors as having the qualifications, training, and experience to satisfy their professional requirements
  • children of israel — the Jews; Hebrews
  • chocolate-coloured — dark brown
  • christian democrat — a member or supporter of a Christian Democratic party
  • christian endeavor — an organization of young people of various evangelical Protestant churches, formed in 1881 to promote Christian principles and service.
  • christian reformed — of or relating to a Protestant denomination (Christian Reformed Church) organized in the U.S. in 1857 by groups that had seceded from the Dutch Reformed Church.
  • cigar-store indian — a wooden statue of an American Indian, traditionally displayed at the entrance of cigar stores.
  • citta del vaticano — Vatican City
  • classified section — the part of a publication that contains classified advertising
  • clay-colored robin — any of several small Old World birds having a red or reddish breast, especially Erithacus rubecula, of Europe.
  • cleopatra's needle — either of two Egyptian obelisks, originally set up at Heliopolis about 1500 bc: one was moved to the Thames Embankment, London, in 1878, the other to Central Park, New York, in 1880
  • closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
  • closed scholarship — a scholarship for which only certain people, such as those from a particular school or with a particular surname, are eligible
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