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18-letter words containing o, l, r, s

  • bipolar transistor — (electronics)   A transistor made from a sandwich of n- and p-type semiconductor material: either npn or pnp. The middle section is known as the "base" and the other two as the "collector" and "emitter". When used as an amplifying element, the base to emitter junction is in a "forward-biased" (conducting) condition, and the base to collector junction is "reverse-biased" or non-conducting. Small changes in the base to emitter current (the input signal) cause either holes (for pnp devices) or free electrons (for npn) to enter the base from the emitter. The attracting voltage of the collector causes the majority of these charges to cross into and be collected by the collector, resulting in amplification. Contrast field effect transistor.
  • bird's-foot violet — a North American violet (Viola pedata) having divided leaves and large blue or purple flowers
  • biz-core stability — (security)   Internet security products which secure the business core.
  • black-necked stork — a large Australian stork, Xenorhyncus asiaticus, having a white plumage, dark green back and tail, and red legs
  • blissful ignorance — unawareness or inexperience of something unpleasant
  • board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
  • borosilicate glass — any of a range of heat- and chemical-resistant glasses, such as Pyrex, prepared by fusing together boron(III) oxide, silicon dioxide, and, usually, a metal oxide
  • boulogne-sur-seine — an industrial suburb of SW Paris. Pop: 106 367 (1999)
  • branch to fishkill — (IBM: from the location of one of the corporation's facilities) Any unexpected jump in a program that produces catastrophic or just plain weird results. See jump off into never-never land, hyperspace.
  • brazilian rosewood — a Brazilian tree, Dalbergia nigra, of the legume family.
  • break your silence — If someone breaks their silence about something, they talk about something that they have not talked about before or for a long time.
  • breathe one's last — When someone breathes their last, they die.
  • brightness control — a control that enables the brightness of the image on a television screen, computer monitor, etc to be adjusted
  • bring someone luck — If you say that something brings bad luck or brings someone good luck, you believe that it has an influence on whether good or bad things happen to them.
  • british somaliland — a former British protectorate (1884–1960) in E Africa, on the Gulf of Aden: united with Italian Somaliland in 1960 to form Somalia (or the Somali Republic); in 1991 the self-styled republic of Somaliland, covering the same area as the former British Somaliland, declared itself independent and continues to function largely as a separate entity, though without international recognition
  • bullnose stretcher — bull stretcher (def 1).
  • bullnose-stretcher — Also called bullnose stretcher. a brick having one of the edges along its length rounded for laying as a stretcher in a sill or the like.
  • burkitt's lymphoma — a cancer characterized by tumors containing lymphoid cells, occurring esp. in children, in the jaw, eyes, and internal organs: it is associated with the Epstein-Barr virus
  • butler's sideboard — a sideboard, often with a fall front, having on its top a china cabinet with glazed doors.
  • california fuchsia — a North American onagraceous plant, Zauschneria californica, with tubular scarlet flowers
  • california rosebay — a Pacific coast shrub or tree (Rhododendron californicum) of the heath family, with rosy or purplish flowers
  • california-fuchsia — a plant belonging to the genus Fuchsia, of the evening primrose family, including many varieties cultivated for their handsome drooping flowers.
  • call to the colors — call or order to serve in the armed forces
  • calliper compasses — an instrument for measuring internal or external dimensions, consisting of two steel legs hinged together
  • 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)
  • carisbrooke castle — a castle near Newport on the Isle of Wight: Charles I was held prisoner here from 1647 until his execution in 1649
  • carolina jessamine — a vine, Gelsemium sempervirens, of the southern U.S. and Central America, of the logania family, having glossy, lance-shaped leaves and fragrant yellow flowers: the state flower of South Carolina.
  • cartilaginous fish — any fish of the class Chondrichthyes, including the sharks, skates, and rays, having a skeleton composed entirely of cartilage
  • castration complex — an unconscious fear of having one's genitals removed, as a punishment for wishing to have sex with a parent
  • catalogue raisonne — a descriptive catalogue, esp one covering works of art in an exhibition or collection
  • cauliflower cheese — a dish of cauliflower with a cheese sauce, eaten hot
  • cauliflower fungus — a large edible white to yellowish cauliflowerlike mushroom, Sparassis radicata, widely distributed in North America.
  • centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
  • chagos archipelago — group of islands in the Indian Ocean 1,180 mi (1,899 km) northeast of Mauritius, comprising the British Indian Ocean Territory: chief island, Diego Garcia
  • children of israel — the Jews; Hebrews
  • chinese revolution — the overthrow of the last Manchu emperor and the establishment of a republic in China (1911–12)
  • chinese watermelon — a tropical Asian vine, Benincasa hispida, of the gourd family, having a brown, hairy stem, large, solitary, yellow flowers, and white, melonlike fruit.
  • christopher sholes — Christopher Latham [ley-thuh m,, -th uh m] /ˈleɪ θəm,, -ðəm/ (Show IPA), 1819–90, U.S. inventor of the typewriter.
  • chronic alcoholism — long-term alcohol addiction
  • church of scotland — the established church in Scotland, Calvinist in doctrine and Presbyterian in constitution
  • circular dichroism — selective absorption of one of the two possible circular polarizations of light.
  • circulatory system — the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc
  • citizen journalism — the involvement of non-professionals in reporting news, esp in blogs and other websites
  • claustrophobically — In a claustrophobic way.
  • 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
  • closure conversion — (theory)   The transformation of continuation passing style code so that the only free variables of functions are names of other functions. See also Lambda lifting.
  • collection charges — the charges levied to cover expenses for the collection of debt
  • collision coverage — Collision coverage is insurance cover for vehicle accidents.
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