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aleatory music

(Encyclopedia)aleatory music āˈlēətôrˌē [key] [Lat. alea=dice game], music in which elements traditionally determined by the composer are determined either by a process of random selection chosen by the comp...

Turner, John Napier Wyndham

(Encyclopedia)Turner, John Napier Wyndham, 1929–2020, Canadian prime minister (1984). Born in England, he immigrated (1932) to Ontario with his Canadian-born mother after she was widowed. Trained as a lawyer, he ...

Du Pont, Pete

(Encyclopedia) Du Pont, Pete (Pierre Samuel du Pont IV), 1935-2021, Wilmington, Del, Princeton Univ. (Mech. Engr., 1956); Harvard Law School (J.D., 1963). Du Pont wa...

Du Pont, Samuel Francis

(Encyclopedia)Du Pont, Samuel Francis, 1803–65, American naval officer, b. Bergen Point, N.J.; grandson of Pierre Samuel du Pont de Nemours. Appointed a midshipman in 1815, he saw his first active duty in the Med...

Percier, Charles

(Encyclopedia)Percier, Charles shärl pĕrsyāˈ [key], 1764–1838, French architect. He won (1786) the Grand Prix de Rome, and in 1794 he became associated with Pierre François Léonard Fontaine. Napoleon appoin...

piezoelectric effect

(Encyclopedia)piezoelectric effect pīēˌzōĭlĕkˈtrĭk [key], voltage produced between surfaces of a solid dielectric (nonconducting substance) when a mechanical stress is applied to it. A small current may be ...

lithography

(Encyclopedia)lithography lĭthŏgˈrəfē [key], type of planographic or surface printing. It is distinguished from letterpress (relief) printing and from intaglio printing (in which the design is cut or etched in...

impressionism, in painting

(Encyclopedia)impressionism, in painting, late-19th-century French school that was generally characterized by the attempt to depict transitory visual impressions, often painted directly from nature, and by the use ...

French Academy

(Encyclopedia)French Academy (L'Académie française), learned society of France. It is one of the five societies of the Institut de France. The work of the French Academy has chiefly consisted of the preparation...

Arthur I

(Encyclopedia)Arthur I, 1187–1203?, duke of Brittany (1196–1203?), son of Geoffrey, fourth son of Henry II of England and Constance, heiress of Brittany. Arthur, a posthumous child, was proclaimed duke in 1196,...