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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...

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....

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...

Wright brothers

(Encyclopedia)Wright brothers, American airplane inventors and aviation pioneers. Orville Wright 1871–1948, was born in Dayton, Ohio, and Wilbur Wright, 1867–1912, near New Castle, Ind. Their interest in aviati...

Chile

(Encyclopedia)CE5 Chile chĭlˈē, Span. chēˈlā [key], officially Republic of Chile, republic (2020 est. pop. 19,116,201), ...

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...

William I, emperor of Germany and king of Prussia

(Encyclopedia)William I, 1797–1888, emperor of Germany (1871–88) and king of Prussia (1861–88), second son of the future King Frederick William III of Prussia and Louise of Mecklenburg. Essentially conservati...

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...

Lotharingia

(Encyclopedia)Lotharingia lŏthərĭnˈjə [key], name given to the northern portion of the lands assigned (843) to Emperor of the West Lothair I in the first division of the Carolingian empire (see Verdun, Treaty ...