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entropy

(Encyclopedia) entropyentropyĕnˈtrəpē [key], quantity specifying the amount of disorder or randomness in a system bearing energy or information. Originally defined in thermodynamics in terms of heat…

nitrate

(Encyclopedia) nitrate, chemical compound containing the nitrate (NO3) radical. Nitrates are salts or esters of nitric acid, HNO3, formed by replacing the hydrogen with a metal (e.g., sodium or…

Churchill, Lord Randolph Henry Spencer

(Encyclopedia) Churchill, Lord Randolph Henry Spencer, 1849–95, English statesman; son of the 7th duke of Marlborough. A sincere Tory and a founder (1883) of the Primrose League, dedicated to…

Sabelli

(Encyclopedia) SabelliSabellisəbĕlˈī [key], people of ancient Italy who spoke Oscan. They were a loose group and seemed to have had little or no political unity. Oscan-speaking tribes expanded over…

Soufrière, volcano, Guadeloupe

(Encyclopedia) SoufrièreSoufrières&oomacr;frēĕrˈ [key], active volcano, 4,813 ft (1,467 m) high, on Basse-Terre, Guadeloupe, in the Caribbean Sea. Called also La Grande Soufrière, it is the…

Shimizu

(Encyclopedia) ShimizuShimizushĭmēˈz&oomacr; [key], city (1990 pop. 241,523), Shizuoka prefecture, E central Honshu, Japan, on Suruga Bay. A port and fishing center, it exports tea, oranges, and…

Keith, George Keith Elphinstone, Viscount

(Encyclopedia) Keith, George Keith Elphinstone, Viscount 1746–1823, British admiral. After serving as a captain in the American Revolution and early French Revolutionary Wars, he was appointed (1795…

Loomis, Mahlon

(Encyclopedia) Loomis, Mahlon, 1826–86, American inventor, b. Oppenheim, N.Y. He was a dentist by profession but spent much of his time pioneering in wireless communication. Using aerials borne by…

Neill, Alexander Sutherland

(Encyclopedia) Neill, Alexander Sutherland, 1883–1973, English educator. After teaching at state schools in Scotland, Neill became dissatisfied with traditional education. In 1924, he set up the…

Anatahan

(Encyclopedia) Anatahan, uninhabited volcanic island, 12.5 sq mi (32 sq km), Saipan dist., Northern Mariana Islands, in the W Pacific Ocean some 85 mi (140 km) N of Saipan. The island is dominated by…