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Pietermaritzburg

(Encyclopedia)Pietermaritzburg pēˌtərmărˈĭtsbûrgˌ [key], city, part and seat of Msunduzi local municipality and capital of KwaZulu-Natal prov., E South Africa, in the foothills of the Drakensberg Range. The...

Wheeling

(Encyclopedia)Wheeling. 1 Village (1990 pop. 29,911), Cook co., NE Ill., a suburb of Chicago; founded c.1830, inc. 1894. Machinery, computer supplies, metal and paper products, security devices, insulation, and che...

Cartagena, city, Colombia

(Encyclopedia)Cartagena kärtähāˈnä [key], city, capital of Bolívar dept., NW Colombia, a port on the ...

vector

(Encyclopedia)vector, quantity having both magnitude and direction; it may be represented by a directed line segment. Many physical quantities are vectors, e.g., force, velocity, and momentum. Thus, in specifying a...

Manhattan, borough, New York City, United States

(Encyclopedia)Manhattan, borough (1990 pop. 1,487,536), 28 sq mi (57 sq km), New York City, SE N.Y., coextensive with New York co. Manhattan is the cultural and commercial heart of the city, and its dramatic skylin...

Knoxville

(Encyclopedia)Knoxville, city (1990 pop. 165,121), seat of Knox co., E Tenn., on the Tennessee River; inc. 1876. A port of entry, it is a trade and shipping center for a farm, bituminous-coal, and marble area. Its ...

Imperial Conference

(Encyclopedia)Imperial Conference, assembly of representatives of the self-governing members of the British Empire, held about every four years until World War II. The meetings prior to 1911—in 1887, 1897, 1902, ...

Verdun, town, France

(Encyclopedia)Verdun vĕrdŭnˈ, Fr. vĕrdöNˈ [key], town (1990 pop. 23,427), Meuse dept., NE France, in Lorraine, on the Meuse River. A strategic transportation center, Verdun has varied industries and is situat...

combustion

(Encyclopedia)combustion, rapid chemical reaction of two or more substances with a characteristic liberation of heat and light; it is commonly called burning. The burning of a fuel (e.g., wood, coal, oil, or natura...

Aqaba, Gulf of

(Encyclopedia)Aqaba, Gulf of, northeastern arm of the Red Sea, 118 mi (190 km) long and 10 to 15 mi (16.1 to 24.1 km) wide, between the Sinai and Arabian peninsulas; a part of the Great Rift Valley. The gulf, which...