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19-letter words containing a, e, r, o

  • blood-brain barrier — the barrier created by the walls of the capillaries of the brain that prevents certain substances, as most proteins and drugs, from passing from the blood into the brain tissue and cerebrospinal fluid
  • blue stellar object — any of a class of blue celestial objects, at one time thought to be stars, that do not emit appreciable radio waves. Abbreviation: BSO.
  • blue-tongued lizard — a large Australian lizard, Tiliqua scincoides, characterized by having a cobalt-blue tongue.
  • board certification — the process of certifying that a physician has passed an examination and met the standards of a professional organization representing a particular medical specialty.
  • board of trade unit — a unit of electrical energy equal to 1 kilowatt-hour
  • boat-tailed grackle — a large grackle, Quiscalus major, of the southeastern U.S., that folds its tail into a shape resembling the keel of a boat.
  • booker t washington — Booker T(aliaferro) [boo k-er tol-uh-ver] /ˈbʊk ər ˈtɒl ə vər/ (Show IPA), 1856–1915, U.S. reformer, educator, author, and lecturer.
  • bracket abstraction — (compiler)   An algorithm which turns a term into a function of some variable. The result of using bracket abstraction on T with respect to variable v, written as [v]T, is a term containing no occurrences of v and denoting a function f such that f v = T. This defines the function f = (\ v . T). Using bracket abstraction and currying we can define a language without bound variables in which the only operation is monadic function application. See combinator.
  • brazen law of wages — the doctrine or theory that wages tend toward a level sufficient only to maintain a subsistence standard of living.
  • breach of the peace — A breach of the peace is noisy or violent behaviour in a public place which is illegal because it disturbs other people.
  • breath of fresh air — sth new
  • brown paper bag bug — (programming)   A programming bug that is so stupid that it makes the programmer want to put a brown paper bag over his head.
  • brush-tailed possum — any of several widely-distributed Australian possums of the genus Trichosurus
  • bulbourethral gland — Cowper's gland
  • buster brown collar — a medium-sized, starched collar with rounded edges, lying flat on the shoulders, worn by women and girls.
  • by one's bootstraps — by one's own efforts; unaided
  • calcium oxychloride — a white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite-chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps, and in laundering as a decolorizer and disinfectant.
  • california bluebell — either of two plants, Phacelia campanularia or P. minor, of southern California, having ovate leaves and bell-shaped blue or purple flowers.
  • california job case — a job case having sufficient spaces to contain both uppercase and lowercase letters and 37 additional characters of foundry type. Compare case2 (def 8).
  • california live oak — an evergreen oak, Quercus agrifolia, of the western coast of the U.S., having leathery leaves and a short, stout trunk.
  • california sea lion — any of several large eared seals, as Eumetopias jubatus (Steller's sea lion) of the northern Pacific, and Zalophus californicus (California sea lion) of the Pacific coast of North America.
  • camouflage passport — a passport from a non-existent country intended to conceal the bearer's true nationality (from hijackers, kidnappers, etc)
  • campernelle jonquil — a narcissus, Narcissus odorus, of the amaryllis family, having clusters of two to four fragrant yellow flowers.
  • cannot very well do — If you say that you cannot very well do something, you mean that it would not be right or possible to do it.
  • cape york peninsula — large peninsula in NE Australia, part of Queensland, between the Gulf of Carpentaria & the Coral Sea
  • captains courageous — a novel (1897) by Rudyard Kipling.
  • carbon dioxide snow — solid carbon dioxide, used as a refrigerant
  • carbon steel piping — Carbon steel piping is pipes made of steel with carbon as the main alloying component, used for transporting fluids.
  • carnot refrigerator — a device operating on the Carnot cycle in which the first temperature is higher than the second.
  • caroline of ansbach — 1683–1737, wife of George II of Great Britain
  • catalytic converter — A catalytic converter is a device which is fitted to a car's exhaust to reduce the pollution coming from it.
  • catalytic reforming — Catalytic reforming is a process that converts petroleum refinery naphthas to high-octane blending components.
  • category management — the management of a range of related products in a way designed to increase sales of all of the products
  • caterpillar tractor — a tractor powered by a Caterpillar track
  • catherine of aragon — 1485–1536, first wife of Henry VIII of England and mother of Mary I. The annulment of Henry's marriage to her (1533) against papal authority marked an initial stage in the English Reformation
  • cathodic protection — a technique for protecting metal structures, such as steel ships and pipelines, from electrolytic corrosion by making the structure the cathode in a cell, either by applying an electromotive force directly or by putting it into contact with a more electropositive metal
  • center of curvature — the center of the circle of curvature.
  • central reservation — The central reservation is the strip of ground, often covered with grass, that separates the two sides of a major road.
  • centre of curvature — the point on the normal at a given point on a curve on the concave side of the curve whose distance from the point on the curve is equal to the radius of curvature
  • cerebellar syndrome — a disease of the cerebellum characterized by unsteady movements and mispronunciation of words
  • cerebral hemorrhage — hemorrhage from a blood vessel into the cerebrum, often followed by neurologic damage; a type of stroke.
  • cerebral thrombosis — formation of a clot or other blockage in one of the blood vessels of the brain, often followed by neurologic damage; a type of stroke.
  • cerebrospinal fluid — the clear colourless fluid in the spaces inside and around the spinal cord and brain
  • chamber of commerce — A chamber of commerce is an organization of businessmen that promotes local commercial interests.
  • chamber of deputies — the lower house of the legislature of certain countries, as Italy.
  • champagne corks pop — If you say that champagne corks are popping, you mean that people are celebrating something.
  • character generator — a device used in television studios to incorporate text or other symbols into the television screen image.
  • characteristic root — a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
  • chassis dynamometer — A chassis dynamometer is a piece of test equipment fitted with rollers for the wheels of a vehicle, that is capable of providing drive input and measuring output such as power and torque at the wheels.
  • chemical castration — the use of drugs to reduce libido
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