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quinidine

(Encyclopedia)quinidine kwĭnˈĭdēnˌ [key], heart muscle relaxant used to maintain regular heart rhythm patterns. It is an alkaloid chemically similar to quinine and, like quinine, occurs naturally in some speci...

Charcot, Jean Martin

(Encyclopedia)Charcot, Jean Martin zhäN märtăNˈ shärkōˈ [key], 1825–93, French neurologist. At the Salpêtrière in Paris he developed the greatest clinic of his time for diseases of the nervous system. He...

Apia

(Encyclopedia)Apia äpēˈə [key], town (1983 est. pop. 35,000), capital of Samoa, on the northern coast of Upolu island. The economic, social, and political center of Samoa, Apia is the nation's only port and cit...

grinding

(Encyclopedia)grinding, process by which surface material is removed from an object, usually metal, by the abrasive action of a rotating wheel or a moving belt that contains abrasive grains. A grinding wheel can be...

Madrid, autonomous community and province, Spain

(Encyclopedia)Madrid mədrĭdˈ, Span. mäᵺhrēᵺˈ [key], autonomous community and coextensive prov., (2011 pop. 6,421,874), 3,099 sq mi (8,027 sq km), central Spain. Madrid, the capital of Spain, is also its c...

Arlington, cities, United States

(Encyclopedia)Arlington. 1 Town, Middlesex co., E Mass., a residential suburb of Boston; settled c.1630 as Menotomy, inc. as West Cambridge 1807, renamed Arlington 1867. The area was the scene of ...

Stoddart, James Fraser

(Encyclopedia)Stoddart, James Fraser, 1942–, British chemist, Ph.D. Univ. of Edinburgh, 1966. He began his career at Sheffield Univ., England, in 1970, then moved to Birmingham Univ., England, in 1990, the Univ. ...

Roswell

(Encyclopedia)Roswell rŏzˈwĕl [key], city (1990 pop. 44,654), seat of Chaves co., SE N.Mex., near the Pecos River; settled 1869 as a trading post, inc. 1903. It is the trade, marketing, and rail center of an irr...

Miami, cities, United States

(Encyclopedia)Miami mīămˈē, –ə [key]. 1 City (1990 pop. 358,548), seat of Dade co., SE Fla., on Biscayne Bay at the mouth of the Miami River; inc. 1896. The region of Greater Miami encompasses all of Dade co...

krypton

(Encyclopedia)krypton krĭpˈtŏn [key] [Gr.,=hidden], gaseous chemical element; symbol Kr; at. no. 36; at. wt. 83.798; m.p. −156.6℃; b.p. −152.3℃; density 3.73 grams per liter at STP; valence usually 0. Kr...