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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...

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...

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...

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...

antique collecting

(Encyclopedia)antique collecting, the assembling of items of aesthetic, historical, and often monetary value from earlier eras. The term antique initially referred only to the preclassical and classical cultures of...

Catholic Emancipation

(Encyclopedia)Catholic Emancipation, term applied to the process by which Roman Catholics in the British Isles were relieved in the late 18th and early 19th cent. of civil disabilities. They had been under oppressi...

road

(Encyclopedia)road, strip of land used for transportation. The history of roads has been related to the centralizing of populations in powerful cities, which the roads have served for military purposes and for trad...

hygrometer

(Encyclopedia)hygrometer hīgrŏmˈətər [key], instrument used to measure the moisture content of a gas, as in determining the relative humidity of air. The temperature at which dew or frost forms is a measure of...

Hertzsprung-Russell diagram

(Encyclopedia)CE5 The Hertzsprung-Russell diagram shows the relation between the luminosity and surface temperature (which is related to spectral class, or color) of the stars in the Milky Way. Most stars fall a...

Duprat, Antoine

(Encyclopedia)Duprat, Antoine äNtwänˈ düpräˈ [key], 1463–1535, chancellor of France and cardinal. First president of the Paris Parlement (1508), he was a trusted adviser of Louise of Savoy, who appointed hi...