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electron

(Encyclopedia)electron, elementary particle carrying a unit charge of negative electricity. Ordinary electric current is the flow of electrons through a wire conductor (see electricity). The electron is one of the ...

oxidation and reduction

(Encyclopedia)oxidation and reduction, complementary chemical reactions characterized by the loss or gain, respectively, of one or more electrons by an atom or molecule. Originally the term oxidation was used to re...

MacInnes, Colin

(Encyclopedia)MacInnes, Colin məkĭnˈəs [key], 1914–76, English novelist, b. London. Son of the novelist Angela Thirkell, MacInnes was educated in Australia and served in the British intelligence corps during ...

executive privilege

(Encyclopedia)executive privilege, exemption of the executive branch of government, or its officers, from having to give evidence, specifically, in U.S. law, the exemption of the president from disclosing informati...

Ferdinand II, king of the Two Sicilies

(Encyclopedia)Ferdinand II, 1810–59, king of the Two Sicilies (1830–59), son and successor of Francis I. Although initially he sought to improve the wretched conditions of his kingdom, he soon relapsed into the...

Yesenin, Sergei Aleksandrovich

(Encyclopedia)Yesenin, Sergei Aleksandrovich syĭrgāˈ əlyĭksänˈdrəvĭch yĭsyāˈnĭn [key], 1895–1925, Russian poet. Yesenin was the most popular poet of the early revolution and the object of a considera...

Boltzmann, Ludwig

(Encyclopedia)Boltzmann, Ludwig lo͝otˈvĭkh bôltsˈmän [key], 1844–1906, Austrian physicist, b. Vienna, educated at Univ. of Vienna. He began teaching (1869) at Graz Univ. In 1873 he became mathematics profes...

Bradley, Francis Herbert

(Encyclopedia)Bradley, Francis Herbert, 1846–1924, English philosopher. He was educated at Oxford, where he became a fellow of Merton College in 1876. His works include Ethical Studies (1876), Principles of Logic...

Weber, Wilhelm Eduard

(Encyclopedia)Weber, Wilhelm Eduard vĭlˈhĕlm āˈdo͞oärt vāˈbər [key], 1804–91, German physicist. He was professor (1831–37, 1849–91) at the Univ. of Göttingen, where he worked with C. F. Gauss on te...

program music

(Encyclopedia)program music Instrumental music of the 19th and 20th cent. that endeavors to arouse mental pictures or ideas in the thoughts of the listener—to tell a story, depict a scene, or impel a mood. Mousso...
 

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