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Charles Albert

(Encyclopedia)Charles Albert, 1798–1849, king of Sardinia (1831–49, see Savoy, house of). Because he had not been entirely unsympathetic to the revolutionary movement of 1821 in Sardinia, Charles Albert develop...

Chen Duxiu

(Encyclopedia)Chen Duxiu or Ch'en Tu-hsiu both: chŭn do͞o-shyo͞o [key], 1879–1942, Chinese educator and Communist party leader. He was active in the republican revolution of 1911 and was forced to flee to Japa...

chiropractic

(Encyclopedia)chiropractic kīrəprăkˈtĭk [key] [Gr.,=doing by hand], medical practice based on the theory that all disease results from a disruption of the functions of the nerves. The principal source of inter...

Gay-Lussac, Joseph Louis

(Encyclopedia)Gay-Lussac, Joseph Louis zhôzĕfˈ lwē gā-lüsäkˈ [key], 1778–1850, French chemist and physicist. He was professor in Paris at the Sorbonne, at the Polytechnic School, and at the Jardin des Pla...

dengue fever

(Encyclopedia)dengue fever dĕngˈgē, –gā [key], acute infectious disease caused by four closely related viruses and transmitted by the bite of the female Aedes mosquito; it is also known as breakbone fever and...

altitude

(Encyclopedia)altitude, vertical distance of an object above some datum plane, such as mean sea level or a reference point on the earth's surface. It is usually measured by the reduction in atmospheric pressure wit...

engraving

(Encyclopedia)engraving, in its broadest sense, the art of cutting lines in metal, wood, or other material either for decoration or for reproduction through printing. In its narrowest sense, it is an intaglio print...

Begin, Menachem

(Encyclopedia)Begin, Menachem mĕnäˈkhĕm bāˈgĭn [key], 1913–92, Zionist leader and Israeli prime minister (1977–83), b. Russia. He became (1938) leader of a Zionist youth movement in Poland, where he also...

gas

(Encyclopedia)gas, in physics, one of the three commonly recognized states of matter, the other two being solid and liquid. A substance in the gaseous state has neither definite shape nor definite volume. Like liqu...

House Un-American Activities Committee

(Encyclopedia)House Un-American Activities Committee (HUAC), a committee (1938–75) of the U.S. House of Representatives, created to investigate disloyalty and subversive organizations. Its first chairman, Martin ...