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uranium
(Encyclopedia)uranium yo͞orāˈnēəm [key], radioactive metallic chemical element; symbol U; at. no. 92; mass number of most stable isotope 238; m.p. 1,132℃; b.p. 3,818℃; sp. gr. 19.1 at 25℃; valence +3, +4...Puritanism
(Encyclopedia)Puritanism, in the 16th and 17th cent., a movement for reform in the Church of England that had a profound influence on the social, political, ethical, and theological ideas of England and America. ...John, king of England
(Encyclopedia)John, 1167–1216, king of England (1199–1216), son of Henry II and Eleanor of Aquitaine. John, though often cruel and treacherous, was an excellent administrator, much concerned with rendering...Franco-Prussian War
(Encyclopedia)Franco-Prussian War or Franco-German War, 1870–71, conflict between France and Prussia that signaled the rise of German military power and imperialism. It was provoked by Otto von Bismarck (the Prus...Catalonia
(Encyclopedia)Catalonia kătəlōˈnēə [key], Catalan Catalunya, Span. Cataluña, autonomous communit...photography, still
(Encyclopedia)photography, still, science and art of making permanent images on light-sensitive materials. See also photographic processing; motion picture photography; motion pictures. By the end of ...Chicago, city, United States
(Encyclopedia)Chicago shĭkäˈgō, shĭkôˈgō [key], city (2020 pop. 2,746,388), seat of Cook co...Savoy, house of
(Encyclopedia)Savoy, house of, dynasty of Western Europe that ruled Savoy and Piedmont from the 11th cent., the kingdom of Sicily from 1714 to 1718, the kingdom of Sardinia from 1720 to 1861, and the kingdom of Ita...symphony
(Encyclopedia)symphony [Gr.,=sounding together], a sonata for orchestra. The Italian operatic overture, called sinfonia, was standardized by Alessandro Scarlatti at the end of the 17th cent. into three sections, th...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 ...Browse by Subject
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