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Spinoza, Baruch

(Encyclopedia)Spinoza, Baruch or Benedict spinōˈzə [key], 1632–77, Dutch philosopher, b. Amsterdam. Politically, Spinoza and Hobbes again share assumptions about the social contract: Right derives from p...

Saxe-Weimar

(Encyclopedia)Saxe-Weimar săks-vīˈmär [key], Ger. Sachsen-Weimar, former duchy, Thuringia, central Germany. The area passed in the division of 1485 to the Ernestine branch of the Wettin dynasty and remained wit...

Brahms, Johannes

(Encyclopedia)Brahms, Johannes brämz, Ger. yōhänˈnĕs bräms [key], 1833–97, German composer, b. Hamburg. Brahms ranks among the greatest masters of the romantic period. The son of a musician, he early showed...

Alcott, Bronson

(Encyclopedia)Alcott, Bronson ôlˈkət, ăl–, –kŏt [key], 1799–1888, American educational and social reformer, b. near Wolcott, Conn., as Amos Bronson Alcox. His meager formal education was supplemented by ...

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...

nickel

(Encyclopedia)nickel, metallic chemical element; symbol Ni; at. no. 28; at. wt. 58.6934; m.p. about 1,453℃; b.p. about 2,732℃; sp. gr. 8.902 at 25℃; valence 0, +1, +2, +3, or +4. Nickel is a hard, malleable, ...

Gauss, Carl Friedrich

(Encyclopedia)Gauss, Carl Friedrich kärl frēˈdrĭkh gous [key], born Johann Friederich Carl Gauss, 1777–1855, German mathematician, physicist, and astronomer. Gauss was educated at the Caroline College, Brunsw...

Charles XII, king of Sweden

(Encyclopedia)Charles XII, 1682–1718, king of Sweden (1697–1718), son and successor of Charles XI. The regency under which he succeeded was abolished in 1697 at the request of the Riksdag. At the coronation he ...

sulfuric acid

(Encyclopedia)sulfuric acid, chemical compound, H2SO4, colorless, odorless, extremely corrosive, oily liquid. It is sometimes called oil of vitriol. Although sulfuric acid is now one of the most widely used c...

semantics

(Encyclopedia)semantics [Gr.,=significant] in general, the study of the relationship between words and meanings. The empirical study of word meanings and sentence meanings in existing languages is a branch of lingu...