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chromatography

(Encyclopedia)chromatography krōˌmətŏgˈrəfē [key], resolution of a chemical mixture into its component compounds by passing it through a system that retards each compound to a varying degree; a system capabl...

Marx, Karl

(Encyclopedia)Marx, Karl, 1818–83, German social philosopher, the chief theorist of modern socialism and communism. In 1847 Marx joined the Communist League and with Engels wrote for it the famous Communist M...

Reagan, Ronald Wilson

(Encyclopedia)Reagan, Ronald Wilson rāˈgən [key], 1911–2004, 40th president of the United States (1981–89), b. Tampico, Ill. In 1932, after graduation from Eureka College, he became a radio announcer and spo...

Solzhenitsyn, Aleksandr Isayevich

(Encyclopedia)Solzhenitsyn, Aleksandr Isayevich əlyĭksänˈdər ēsīˈəvĭch sôlˌzhənētˈsĭn [key], 1918–2008, Russian writer widely regarded as one of the greatest and most influential authors of the 20...

chess

(Encyclopedia)chess, game for two players played on a square board composed of 64 square spaces, alternately dark and light in color. London was the site of the first modern international chess tournament in 1851...

romanticism

(Encyclopedia)romanticism, term loosely applied to literary and artistic movements of the late 18th and 19th cent. Romanticism in music was characterized by an emphasis on emotion and great freedom of form. It...

ballet

(Encyclopedia)CE5 The five classical positions in ballet ballet bălˈā, bălāˈ [key] [Ital. ballare=to dance], classic, formalized solo or ensemble dancing of a highly controlled, dramatic nature performed ...

Crimea

(Encyclopedia)Crimea krīmēˈə [key], Rus. and Ukr. Krym, peninsula and republic (1991 est. pop. 2,363,000), c.10,000 sq mi (25,900 sq km), SE Europe, linked with the mainland by the Perekop Isthmus. The peninsul...

Stalin, Joseph Vissarionovich

(Encyclopedia)Stalin, Joseph Vissarionovich stäˈlĭn, Rus. vĭsəryôˈnəvĭch stäˈlyĭn [key], 1879–1953, Soviet Communist leader and head of the USSR from the death of V. I. Lenin (1924) until his own deat...

censorship

(Encyclopedia)censorship, official prohibition or restriction of any type of expression believed to threaten the political, social, or moral order. It may be imposed by governmental authority, local or national, by...