Columbia Encyclopedia

Search results

500 results found

Groves, Leslie Richard

(Encyclopedia)Groves, Leslie Richard, 1896–1970, American army officer and engineer who headed the program that developed America's atomic bomb, b. Albany, N.Y., grad. West Point (1918). He was commissioned in th...

Cox, Jacob Dolson

(Encyclopedia)Cox, Jacob Dolson, 1828–1900, Union general in the Civil War and American statesman, b. Montreal, of a New York City family. Admitted to the Ohio bar in 1853, he was active in organizing the new Rep...

Schlieffen, Alfred, Graf von

(Encyclopedia)Schlieffen, Alfred, Graf von älˈfrāt gräf fən shlēˈfən [key], 1833–1913, German field marshal and strategist. In the tradition of the Prussian officer corps, Schlieffen was a professional so...

Rommel, Erwin

(Encyclopedia)Rommel, Erwin ĕrˈvēn rômˈəl [key], 1891–1944, German field marshal. He entered the army in 1910 and rose slowly through the ranks. In 1939, Adolf Hitler made him a general. Rommel brilliantly ...

Tso Tsung-t'ang

(Encyclopedia)Tso Tsung-t'ang dzô dzo͞ong-täng [key], 1812–85, Chinese general and statesman of the Ch'ing dynasty. He directed (1852–59) resistance to the Taiping Rebellion in his native Hunan and later org...

Walla Walla

(Encyclopedia)Walla Walla wŏlˈə wŏlˈə [key], city (2006 est. pop. 30,945), seat of Walla Walla co., SE Wash., at the junction of the Walla Walla River and Mill Creek, near the Oreg. line; inc. 1862. It is a t...

Hubei

(Encyclopedia)Hubei or Hupeh both: ho͞oˈbāˈ [key], province, c.72,000 sq mi (186,480 sq km), central China. The ...

phosphate

(Encyclopedia)phosphate, salt or ester of phosphoric acid, H3PO4. Because phosphoric acid is tribasic (having three replaceable hydrogen atoms), it forms monophosphate, diphosphate, and triphosphate salts in which ...

parity

(Encyclopedia)parity or space parity, in physics, quantity that refers to the relationship between an object or process and the image that it can produce in a mirror. For example, any right-handed object will produ...

toxic waste

(Encyclopedia)toxic waste is waste material, often in chemical form, that can cause death or injury to living creatures. It usually is the product of industry or commerce, but comes also from residential use, agric...