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art nouveau

(Encyclopedia)art nouveau ärˌ no͞ovōˈ [key], decorative-art movement centered in Western Europe. It began in the 1880s as a reaction against the historical emphasis of mid-19th-century art, but did not survive...

Romagna

(Encyclopedia)Romagna rōmäˈnyä [key], historic region, N central Italy, bordering on the Adriatic Sea in the east, now included in the regions of Emilia-Romagna, Marche, and Tuscany. Although its boundaries var...

Reinhardt, Max

(Encyclopedia)Reinhardt, Max, 1873–1943, Austrian theatrical producer and director, originally named Max Goldmann. After acting under Otto Brahm at the Deutsches Theater in Berlin, he managed (1902–5) his own t...

Nordenskjöld, Nils Adolf Erik, Baron

(Encyclopedia)Nordenskjöld, Nils Adolf Erik, Baron nĭls äˈdôlf āˈrĭk no͞orˈdənshöld [key], 1832–1901, Swedish geologist and arctic explorer, first to navigate the Northeast Passage, b. Finland. He ser...

Wilson, Robert

(Encyclopedia)Wilson, Robert, 1941–, dramatist, director, and designer, b. Waco, Tex. He began his arts career as a painter. A leading figure in postmodern theater since 1963, when he arrived in New York City, he...

Weber, Max, German sociologist

(Encyclopedia)Weber, Max vāˈbər [key], 1864–1920, German sociologist, economist, and political scientist. At various times he taught at Berlin, Freiburg, Munich, and Heidelberg. One of Weber's chief interests...

protactinium

(Encyclopedia)protactinium prōˌtăktĭnˈēəm [key], radioactive chemical element; symbol Pa; at. no. 91; mass number of most stable isotope 231; m.p. greater than 1,600℃; b.p. 4,026℃; sp. gr. 15.37 (calcula...

rhenium

(Encyclopedia)rhenium rēˈnēəm [key], metallic chemical element; symbol Re; at. no. 75; at. wt. 186.207; m.p. about 3,180℃; b.p. about 5,625℃; sp. gr. 21.02 at 20℃; valence −1, +2, +3, +4, +5, +6, or +7....

vacuum

(Encyclopedia)vacuum, theoretically, space without matter in it. A perfect vacuum has never been obtained; the best human-generated vacuums contain less than 100,000 gas molecules per cc, compared to about 30 billi...

Magyars

(Encyclopedia)Magyars mŏdˈyärz, măgˈyärz [key], the dominant people of Hungary, but also living in Romania, Ukraine, Slovakia, and Serbia. Although in the past it was thought a common origin existed among the...