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copper, chemical element

(Encyclopedia)copper, metallic chemical element; symbol Cu [Lat. cuprum=copper]; at. no. 29; at. wt. 63.546; m.p. 1,083.4℃; b.p. 2,567℃; sp. gr. 8.96 at 20℃; valence +1 or +2. Copper and some of its alloys ha...

Morelos

(Encyclopedia)Morelos mōrāˈlōs [key], state (1990 pop. 1,195,059), 1,917 sq mi (4,965 sq km), S Mexico. Cuernavaca is the capital. Morelos is separated from the Federal District and from Mexico state by the eas...

Gyeonggi

(Encyclopedia)Gyeonggi or Kyonggi gyŭngˈgēˈ [key], province, NW South Korea. Suwon is the capital. The province ...

Kursk

(Encyclopedia)Kursk ko͝orsk [key], city (1989 pop. 424,000), capital of Kursk region, W European Russia, at the confluence of the Tuskor and Seim rivers. An important rail junction, it has machine, chemical, and s...

Antonescu, Ion

(Encyclopedia)Antonescu, Ion yôn äntônĕsˈko͞o [key], 1882–1946, Romanian marshal and dictator. He served in World War I and later became chief of staff, but he fell into disfavor with King Carol II because ...

Dulles, Allen Welsh

(Encyclopedia)Dulles, Allen Welsh dŭlˈəs [key], 1893–1969, U.S. public official, b. Watertown, N.Y.; brother of John Foster Dulles. The Dulles brothers, born into America's political establishment, became extr...

battleship

(Encyclopedia)battleship, large, armored warship equipped with the heaviest naval guns. The evolution of the battleship, from the ironclad warship of the mid-19th cent., received great impetus from the Civil War. B...

Inner Mongolian Autonomous Region

(Encyclopedia)Inner Mongolian Autonomous Region, Mandarin Nei Monggol zizhiqu, autonomous region, c.455,000 sq mi (1,178,755 sq km), NE China. It is bounded on the no...

South Manchurian Railway

(Encyclopedia)South Manchurian Railway, Japanese-developed enterprise, with a trackage of 701 mi (1128 km). The line from Changchun to Lüshun (Port Arthur), originally belonging to the Russian-built Chinese Easter...

Vereeniging

(Encyclopedia)Vereeniging fərēˈnĭkhĭng [key] [Afrik.,=union], city, now part of the Enfuleni local municipality, Gauteng prov., NE South Africa, on the Vaal River. An industrial center, its chief products are ...