Columbia Encyclopedia

Search results

500 results found

Bjørgen, Marit

(Encyclopedia)Bjørgen, Marit, 1980–, Norwegian cross-country skier, b. Trondheim. The most decorated winter Olympian of all time, with 15 medals, she initially excelled as a sprinter, but later became accomplish...

Cobbett, William

(Encyclopedia)Cobbett, William kŏbˈĭt [key], 1763?–1835, British journalist and reformer. The son of a farm laborer, he ran away from home at 14 and later joined the British army. He resigned in order to expos...

Kolar

(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...

Archimedes

(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...

Mansa Musa

(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 ...

Telluride

(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,...

Boa Vista

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

Zeya

(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 ...

amalgamation process

(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...

Manizales

(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...