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Lamoricière, Christophe Léon Louis Juchault de

(Encyclopedia)Lamoricière, Christophe Léon Louis Juchault de krēstôfˈ lāôNˈ lwē zhüshōˈ də lämôrēsyĕrˈ [key], 1806–65, French general. Important in the conquest of Algeria, he distinguished hims...

turquoise

(Encyclopedia)turquoise, hydrous phosphate of aluminum and copper, Al2(OH)3PO4·H2O+Cu, used as a gem. It occurs rarely in crystal form, but is usually cryptocrystalline. Turquoise is opaque and has a waxy luster; ...

Yakub I

(Encyclopedia)Yakub I yäko͝obˈ [key], 1160?–1199, ruler of Morocco (1184–99) and Moorish Spain. He was known as Yakub al-Mansur [the victorious] after his victory over Alfonso VIII of Castile at Alarcos (119...

Wright, Jim

(Encyclopedia)Wright, Jim (James Claud Wright, Jr.), 1922–2015, U.S. congressman, speaker of the U.S. House of Representatives (1987–89), b. Fort Worth, Tex. Following service in the U.S. army during World War ...

voltaic cell

(Encyclopedia)voltaic cell, a simple device with which chemical energy is converted into electrical energy. Two dissimilar metals (e.g., copper and zinc) are immersed in an electrolyte (e.g., a dissolved sulfate). ...

beryl

(Encyclopedia)beryl bĕrˈĭl [key], mineral, a silicate of beryllium and aluminum, Be3Al2Si6O18, extremely hard, occurring in hexagonal crystals that may be of enormous size and are usually white, yellow, green, b...

Zimbalist, Efrem

(Encyclopedia)Zimbalist, Efrem ĕˈfrəm zĭmˈbəlĭst [key], 1889–1985, Russian-American violinist. Zimbalist was a pupil of Leopold Auer at the St. Petersburg Conservatory. He made his debut in Berlin in 1907,...

Suttner, Bertha (Gräfin Kinsky), Freifrau von

(Encyclopedia)Suttner, Bertha (Gräfin Kinsky), Freifrau von bĕrˈtä, grāfˈĭn kĭnsˈkē, frīˈfrou fən zo͝otˈnər [key], 1843–1914, Austrian novelist, known chiefly as an ardent pacifist. Her pacifist n...

Tarik ibn Ziyad

(Encyclopedia)Tarik ibn Ziyad täˈrĭk [key], fl. 711, Berber leader of the Muslim invaders of Spain. When the heirs of the Visigothic king, Witiza, requested help from the Moors of N Africa against the usurper Ro...

Trudeau, Edward Livingston

(Encyclopedia)Trudeau, Edward Livingston tro͞oˈdō [key], 1848–1915, American physician, b. New York City, M.D. Columbia, 1871. As a result of taking care of his brother, who had tuberculosis, he developed the ...