Columbia Encyclopedia

Search results

500 results found

poison gas

(Encyclopedia)poison gas, any of various gases sometimes used in warfare or riot control because of their poisonous or corrosive nature. These gases may be roughly grouped according to the portal of entry into the ...

butter

(Encyclopedia)butter, dairy product obtained by churning the fat from milk until it solidifies. In most areas the milk of cows is the basis, but elsewhere that of goats, sheep, and mares has been used. Butter was k...

Windward Islands

(Encyclopedia)Windward Islands, southern group of the Lesser Antilles in the West Indies, curving generally southward for c.300 mi (480 km) from the Leeward Islands toward NE Venezuela. Excluding Barbados and Trini...

Boas, Franz

(Encyclopedia)Boas, Franz bōˈăz, –ăs [key], 1858–1942, German-American anthropologist, b. Minden, Germany, Ph.D. Univ. of Kiel, 1881. He joined an expedition to Baffin Island in 1883 and initiated his field...

physics

(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

Hussein, Saddam

(Encyclopedia)Hussein, Saddam sädämˈ ho͞osānˈ [key], 1937–2006, Iraqi political leader. A member of the Ba'ath party, he fled Iraq after participating (1959) in an assassination attempt on the country's pri...

Hearst, William Randolph

(Encyclopedia)Hearst, William Randolph, 1863–1951, American journalist and publisher, b. San Francisco. A flamboyant, highly controversial figure, Hearst was nonetheless an intelligent and extremely competent new...

fold

(Encyclopedia)fold, in geology, bent or deformed arrangement of stratified rocks. These rocks may be of sedimentary or volcanic origin. Although stratified rocks are normally deposited on the earth's surface in hor...

Jackson

(Encyclopedia)Jackson. 1 City (1990 pop. 37,446), seat of Jackson co., S Mich., on the Grand River; inc. 1857. It is an industrial and commercial center in a farm region. The city's chief manufactures are machinery...

atonality

(Encyclopedia)atonality āˌtōnălˈĭtē [key], in music, systematic avoidance of harmonic or melodic reference to tonal centers (see key). The term is used to designate a method of composition in which the compo...