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roulette
roulette , game of chance popular in gambling casinos, and in a simplified form elsewhere. In gambling houses the roulette wheel is set in an oblong table. Its outer area is marked off into 37 (in Europe) or 38 (in the United States) spaces, each of which has retaining walls so that a small ball may...
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addition
addition fundamental operation of arithmetic, denoted by +. In counting, a + b represents the number of items in the union of two collections having no common members (disjoint sets), having respectively a and b members. In geometry a + b might, for example, represent the area of the union ...
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subtraction
subtraction fundamental operation of arithmetic; the inverse of addition. If a and b are real numbers (see number ), then the number a - b is that number (called the difference) which when added to b (the subtractor) equals a (the subtrahend). In terms of addition the symbol - b is call...
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food additives
food additives substances added to foods by manufacturers to prevent spoilage or to enhance appearance, taste, texture, or nutritive value. By quantity, the most common food additives are flavorings, which include spices, vinegar, synthetic flavors, and, in the greatest abundance, sweeteners (e.g.,...
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saturation
saturation of an organic compound, condition occurring when its molecules contain no double or triple bonds and thus cannot undergo addition reactions. For example, ethane (H 3 C-CH 3 ) is a saturated compound. A compound is called unsaturated if it can undergo addition reactions. In the unsaturate...
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estuary
estuary , partially enclosed coastal body of water, having an open connection with the ocean, where freshwater from inland is mixed with saltwater from the sea. One type of estuary, called a drowned river valley, can be caused by crustal subsidence or a rise in sea level. Chesapeake Bay is one of th...
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Donald John Trump
Donald John Trump 1946-, American business executive, b. New York City. After attending the Wharton business school, he joined the family real estate business. A self-promoting and flamboyant dealmaker, he was able to secure loans with minimal collateral in the free-wheeling 1980s and created an em...
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Jewish liturgy
Jewish liturgy rites, observances, and procedures of Judaism. Communal prayer, with a quorum of ten men (or in some modern communities, ten people), replaced the priests of the Temple cult. There are three daily services, with additional ones for the Sabbath and festivals. The fixed components ar...
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University of Arkansas
University of Arkansas mainly at Fayetteville; land-grant and state supported; coeducational; chartered 1871, opened 1872; called Arkansas Industrial Univ. until 1899. The Univ. of Arkansas for Medical Sciences is at Little Rock. Additional campuses are located at Monticello and Pine Bluff.
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Bridgetown
Bridgetown city (1990 pop. 5,928), capital, commercial center, and chief port of Barbados , West Indies. It is, in addition, a tourist and health resort. Sugar, rum, and molasses are the leading exports, and Bridgetown also serves as an important financial center and transshipment point. The city ...
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