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nobelium

(Encyclopedia)nobelium nōbēˈlēəm [key], artificially produced radioactive chemical element; symbol No; at. no. 102; mass no. of most stable isotope 259; m.p. 827℃; b.p. and density unknown; valence +2, +3. I...

Ondaatje, Michael

(Encyclopedia)Ondaatje, Michael (Philip Michael Ondaatje) ändätˈchā [key], 1943–, Canadian writer, b. Colombo, Sri Lanka (then Ceylon). Immigrating (1962) to Canada, he attended the Univ. of Toronto (B.A., 19...

Celtic art

(Encyclopedia)Celtic art kĕlˈtĭk, sĕlˈ– [key]. The earliest clearly Celtic style in art was developed in S Germany and E France by tribal artisans of the mid- to late 5th cent. b.c. With the dispersal of Cel...

Kramer, Larry

(Encyclopedia)Kramer, Larry (Lawrence David), 1935-2020 American gay-rights activist and playwright, b. Bridgeport, Ct., Yale Univ. (B.A., 1957). After graduating co...

Turkic

(Encyclopedia)Turkic tûrˈkĭk [key], group of languages forming a subdivision of the Altaic subfamily of the Ural-Altaic family of languages (see Uralic and Altaic languages). The Turkic group of languages has a ...

Stone, Oliver

(Encyclopedia)Stone, Oliver, 1946–, American filmmaker, screenwriter, and producer, b. New York City, studied filmmaking with Martin Scorsese at New York Univ. (B.F.A., 1971). Stone enlisted (1967) in the army an...

Tura, Cosmé

(Encyclopedia)Tura, Cosmé or Cosimo kōzmāˈ to͞oˈrä, kôˈzēmō [key], c.1430–1495, Italian Renaissance artist. He was a leading master of the school of Ferrara and court painter to the city's ruling Este ...

programmed instruction

(Encyclopedia)programmed instruction, method of presenting new subject matter to students in a graded sequence of controlled steps. Students work through the programmed material by themselves at their own speed and...

Greene, Graham

(Encyclopedia)Greene, Graham (Henry Graham Greene), 1904–91, English novelist and playwright. Although most of his works combine elements of the detective story, the spy thriller, and the psychological drama, his...

chromosome

(Encyclopedia)chromosome krōˈməsōmˌ [key], structural carrier of hereditary characteristics, found in the nucleus of every cell and so named for its readiness to absorb dyes. The term chromosome is usually res...