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Wilt Chamberlain
Wilt Chamberlain (Wilton Norman Chamberlain), 1936-99, American basketball player, b. Philadelphia. At the Univ. of Kansas he was a two-time All-American center. During 14 seasons in the National Basketball Association, "Wilt the Stilt" (over 7 ft 1 in./216 cm) led the league in scoring seven c...
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market research
market research organized use of sample surveys, polls , focus groups, and other techniques to study market characteristics (e.g., ages and incomes of consumers; consumer attitudes) and improve the efficiency of sales and distribution. Development of new products, opening of new markets, measureme...
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Southampton
Southampton county district (1991 pop. 194,400), Hampshire, S England, at the head of Southampton Water. Southampton is Britain's second largest port. The London-Southampton railway, finished in 1840, and the double tide of the harbor made Southampton an important shipbuilding, trade, and tourist p...
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focus
focus in optics, the point at which rays converge after reflection by a concave mirror or refraction by a convex lens , also known as a real focus. The point from which rays appear to diverge after reflection by a convex mirror or refraction by a concave lens is known as a virtual focus. See im...
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Madison: Introduction
Madison: Introduction
The capital of Wisconsin, Madison is also the seat of Dane County and the focus of a metropolitan statistical area that includes the entire county. The city was founded as the state capital, where no other permanent settlement had previously existed, on a unique geographic sit...
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telescope
telescope traditionally, a system of lenses, mirrors, or both, used to gather light from a distant object and form an image of it. Traditional optical telescopes, which are the subject of this article, also are used to magnify objects on earth and in astronomy; other types of astronomical telescope...
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University of Paris
University of Paris at Paris, France; founded 12th cent., confirmed 1215 by papal bull. It was suppressed during the French Revolution and replaced in 1808 by an academy of the Université Impériale. In 1890 it was reestablished as a university. The student riots of 1968, which paralyz...
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Jean Louis Charles Garnier
Jean Louis Charles Garnier , 1825-98, French architect, studied at the École des Beaux-Arts and won the Grand Prix de Rome (1848). He was awarded the commission for the Opéra in Paris (1861-75), which is his principal work. It provided an impressive focus for the new boulevards of G. E...
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parabola
parabola , plane curve consisting of all points equidistant from a given fixed point (focus) and a given fixed line (directrix) (see illustration) . It is the conic section cut by a plane parallel to one of the elements of the cone. The axis of a parabola is the line through the focus perpendic...
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Tudor style
Tudor style descriptive of the English architecture and decoration of the first half of the 16th cent., prevailing during the reigns (1485-1558) of Henry VII, Henry VIII, Edward VI, and Mary I. It is the first of the transitional styles between Gothic Perpendicular and Palladian architecture, the o...
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