Columbia Encyclopedia

Search results

500 results found

cadmium

(Encyclopedia)cadmium kădˈmēəm [key] [from cadmia, Lat. for calamine, with which cadmium is found associated], metallic chemical element; symbol Cd; at. no. 48; at. wt. 112.411; m.p. 321℃; b.p. 765℃; sp. gr...

vase

(Encyclopedia)vase, vessel of pottery, glass, metal, stone, wood, or synthetic material. The pottery vase was anciently employed as a container for water (a hydria), wine and other products (an amphora), or oil (a ...

selenium

(Encyclopedia)selenium səlēˈnēəm [key], nonmetallic chemical element; symbol Se; at. no. 34; at. wt. 78.96; m.p. 217℃; b.p. about 685℃; sp. gr. 4.81 at 20℃; valence −2, +4, or +6. Selenium is directly ...

Sherman, John

(Encyclopedia)Sherman, John, 1823–1900, American statesman, b. Lancaster, Ohio; brother of William Tecumseh Sherman. He studied law, was admitted (1844) to the bar, and practiced law several years in Mansfield, O...

Saint-Denis, city, France

(Encyclopedia)Saint-Denis săN-dənēˈ [key], city (1990 pop. 90,806), Seine–Saint-Denis dept., N central France. It is an industrial suburb N of Paris. Metals, chemicals, machinery, electronics, and food produc...

Tiahuanaco

(Encyclopedia)Tiahuanaco tyäwänäˈkō [key], ancient native ruin, W Bolivia, 34 mi (55 km) S of Lake Titicaca on the Tiahuanaco R. in the S central Andes, near the Peruvian border; also called Tiwanaku or Tiahua...

Coahuila

(Encyclopedia)Coahuila kōäwēˈlä [key], state, 58,067 sq mi (150,394 sq km), N Mexico, on the northward ...

commercial revolution

(Encyclopedia)commercial revolution, in European history, a fundamental change in the quantity and scope of commerce. In the later Middle Ages steady economic expansion had seen the rise of towns and the advent of ...

mineral

(Encyclopedia)mineral, inorganic substance occurring in nature, having a characteristic and homogeneous chemical composition, definite physical properties, and, usually, a definite crystalline form. A few of the mi...

Mississippi Scheme

(Encyclopedia)Mississippi Scheme, plan formulated by John Law for the colonization and commercial exploitation of the Mississippi valley and other French colonial areas. In 1717 the French merchant Antoine Crozat t...

Browse by Subject