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Orr, Bobby
(Encyclopedia)Orr, Bobby (Robert Orr), 1948–, Canadian hockey player. He began skating at the age of 4 and was discovered by the Boston Bruins of the National Hockey League at age 12. He began playing with the Br...Concepción
(Encyclopedia)Concepción kōnsĕpsēōnˈ [key], city, capital of Biobío region, S central Chile, near the ...Theodora
(Encyclopedia)Theodora thēədôrˈə [key], d. 548, Byzantine empress. Information about her early career comes from the often-questionable source, the Secret History of Procopius. It appears that she was the daug...Oersted, Hans Christian
(Encyclopedia)Oersted or Ørsted, Hans Christian häns krĭsˈtyän örˈstĭᵺ [key], 1777–1851, Danish physicist and chemist. He was professor at Copenhagen from 1806. His discovery (1819) that a magnetic need...ammeter
(Encyclopedia)ammeter ămˈmēˌtər [key], instrument used to measure the magnitude of an electric current of several amperes or more. An ammeter is usually combined with a voltmeter and an ohmmeter in a multipurp...Branly, Édouard
(Encyclopedia)Branly, Édouard ādwärˈ bräNlēˈ [key], French physicist and physician. He was professor of physics at the Catholic Institute, Paris, from 1875. He developed (1890) a coherer for the detection of...Wausau
(Encyclopedia)Wausau wôˈsô [key], city (1990 pop. 37,060), seat of Marathon co., central Wis., on the Wisconsin River; settled 1839, inc. 1872. It is an industrial, commercial, insurance, and agricultural city i...Waters, Muddy
(Encyclopedia)Waters, Muddy, 1915–83, African-American blues singer and guitarist, b. Rolling Fork, Miss., as McKinley Morganfield. As a teenager he began singing and playing traditional country blues on harmonic...cinnamon
(Encyclopedia)cinnamon, name for trees and shrubs of the genus Cinnamomum of the family Lauraceae (laurel family). True cinnamon spice comes from the Ceylon or Sri Lanka cinnamon (C. verum or C. zeylanicum), now cu...firebrick
(Encyclopedia)firebrick, brick that can withstand high temperatures, used to line flues, stacks, furnaces, and fireplaces. In general, such bricks have high melting points that range from about 2,800℉ (1.540℃) ...Browse by Subject
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