Columbia Encyclopedia

Search results

292 results found

emetic

(Encyclopedia)emetic əmĕtˈĭk [key], substance that produces vomiting. Direct, or gastric, emetics, which act directly on the stomach, include syrup of ipecac, sulfate of zinc or copper, alum, ammonium carbonate...

Xiang

(Encyclopedia)Xiang shyäng, syäng [key], river, 715 mi (1,151 km) long, rising in NE Guangxi prov. and flowing N through Hunan prov. to Dongting Lake, SE China. The river is navigable to large vessels for most of...

germanium

(Encyclopedia)germanium jərmāˈnēəm [key] [from Germany], semimetallic chemical element; symbol Ge; at. no. 32; at. wt. 72.63; m.p. 937.4℃; b.p. 2,830℃; sp. gr. 5.323 at 25℃; valence +2 or +4. Pure german...

Freiberg

(Encyclopedia)Freiberg frīˈbĕrkh [key], city, Saxony, E Germany. It is an industrial center and a rail j...

Gifu

(Encyclopedia)Gifu gēˈfo͞o [key], city, capital of Gifu prefecture, central Honshu, Japan. A manufacturi...

synthetic elements

(Encyclopedia)synthetic elements, in chemistry, radioactive elements that were not discovered occurring in nature but as artificially produced isotopes. They are technetium (at. no. 43), which was the first element...

Luang Phabang

(Encyclopedia)Luang Phabang prə– [key], city (1995 est. pop. 55,300), capital of Luang Phabang prov. and the historic, religious, and cultural capital of Laos, NW Laos, on the Mekong River. The economic center o...

Nakhchivan Autonomous Republic

(Encyclopedia)Nakhchivan Autonomous Republic or Naxçivan Autonomous Republic näkˌchĭvänˈ [key], autonomous republic (1990 est. pop. 310,000), 2,124 sq mi (5,501 sq km), an exclave of Azerbaijan, bordered on t...

Pittsburg

(Encyclopedia)Pittsburg pĭtsˈbərg [key]. 1 Industrial city (1990 pop. 47,564), Contra Costa co., W Calif., on the edge of the San Francisco Bay area, at the junction of the Sacramento and the San Joaquin rivers;...

Browse by Subject