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Burke, Edmund

(Encyclopedia)Burke, Edmund, 1729–97, British political writer and statesman, b. Dublin, Ireland. Burke left, in his many and diverse writings, a monumental construction of British political thought that had fa...

North Africa, campaigns in

(Encyclopedia)North Africa, campaigns in, series of military contests for control of North Africa during World War II. The desert war started in 1940 and for more than two years thereafter seesawed between NE Libya...

explosive

(Encyclopedia)explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much heat and producing a large volume of gas. The reaction products fill a much greater volume than that ...

mitosis

(Encyclopedia)CE5 Mitosis in a body cell of an animal mitosis mītōˈsĭs, mĭ– [key], process of nuclear division in a living cell by which the carriers of hereditary information, or the chromosomes, are ex...

Wright, Frank Lloyd

(Encyclopedia)Wright, Frank Lloyd, 1867–1959, American architect, b. Richland Center, Wis., as Frank Lincoln Wright; he changed his name to honor his mother's family (the Lloyd Joneses). Wright is widely consider...

chlorofluorocarbons

(Encyclopedia)chlorofluorocarbons klōrˌəflo͝orˈəkärˌbənz, klôrˌ– [key] (CFCs), organic compounds that contain carbon, chlorine, and fluorine atoms. CFCs are highly effective refrigerants that were deve...

Peninsular campaign

(Encyclopedia)Peninsular campaign, in the American Civil War, the unsuccessful Union attempt (Apr.–July, 1862) to capture Richmond, Va., by way of the peninsula between the York and James rivers. Late in May...

Punic Wars

(Encyclopedia)Punic Wars, three distinct conflicts between Carthage and Rome. When they began, Rome had nearly completed the conquest of Italy, while Carthage controlled NW Africa and the islands and the commerce o...

termite

(Encyclopedia)termite or white ant, common name for a soft-bodied social insect of the infraorder Isoptera. Originally classified in as a separate order, termites are genetically related to cockroaches and are now ...

nucleosynthesis

(Encyclopedia)nucleosynthesis or nucleogenesis, in astronomy, production of all the chemical elements from the simplest element, hydrogen, by thermonuclear reactions within stars, supernovas, and in the big bang at...