Columbia Encyclopedia

(Encyclopedia) Comaneci, Nadia nädyä kōmänēch [key], 1961–, Romanian-American gymnast. Under the tutelage of coach Bela Karolyi, she rose to prominence in the celebrated Romanian gymnastics program. Comaneci ...

(Encyclopedia) Rapid City, city (1990 pop. 54,523), seat of Pennington co., SW S.Dak., on Rapid Creek, in an irrigated farm region served by the Bureau of Reclamation's Rapid Valley project; founded 1876 after the d...

(Encyclopedia) Kolar kōlärˈ [key], city (1991 pop. 83,287), Karnataka state, SW India. Manufactures include textiles and leather goods. Founded in the late 19th cent., Kolar was the center of the Indian gold-mini...

(Encyclopedia) Archimedes ärkĭmēˈdēz [key], 287–212 b.c., Greek mathematician, physicist, and inventor. He is famous for his work in geometry (on the circle, sphere, cylinder, and parabola), physics, mechanic...

(Encyclopedia) Mansa Musa (Musa I) mänˈsä mo͞oˈsä [key], c.1280–1337, ruler of the Mali empire (1312–37). A devout Muslim, he brought the Mali empire to its greatest height, encompassing what is now Niger ...

(Encyclopedia) Boa Vista bōˈə vēshˈtə [key], city, capital of Roraima state, NW Brazil, on the Rio Branco. Its ...

(Encyclopedia) Zeya zāˈä, Rus. zyāˈə [key], river, c.800 mi (1,290 km) long, rising in the Stanovoy Range, Russian Far East, and flowing south to join the Amur River at Blagoveshchensk. It carries gold in its ...

(Encyclopedia) Telluride tĕlˈyərīd [key], town (1990 pop. 1,309), seat of San Miguel co., SW Colo., on the San Miguel River in the San Juan Mts., inc. 1887. A trade center in a sheep, dairying, and mining (gold,...

(Encyclopedia) amalgamation process əmălˌgəmāˈshən [key], in particular, a method to extract gold and silver from ores. The ore is crushed and treated with mercury, in which the metal dissolves. The amalgam i...

(Encyclopedia) Manizales mänēsäˈlās [key], city (1993 pop. 303,136), alt. 7,063 ft (2,153 m), capital of Caldas dept., W central Colombia, on the slopes of the Cordillera Central. It is a commercial and agricul...