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sulfate

(Encyclopedia)sulfate, chemical compound containing the sulfate (SO4) radical. Sulfates are salts or esters of sulfuric acid, H2SO4, formed by replacing one or both of the hydrogens with a metal (e.g., sodium) or a...

Armstrong, John, 1758–1843, American army officer

(Encyclopedia)Armstrong, John, 1758–1843, American army officer, U.S. Secretary of War (1813–14), b. Carlisle, Pa.; son of John Armstrong, “hero of Kittanning.” In the American Revolution he was on the staf...

Lansbury, George

(Encyclopedia)Lansbury, George lănzˈbərē [key], 1859–1940, British Labour party leader. During the 1880s he was influenced by Christian socialism, and he later joined (1892) the Social Democratic Federation. ...

Law, Andrew Bonar

(Encyclopedia)Law, Andrew Bonar bŏnˈər [key], 1858–1923, British statesman, b. Canada. He went to Scotland as a boy and in 1900, after a business career, was elected to Parliament as a Conservative. He soon be...

Middletown, cities, United States

(Encyclopedia)Middletown. 1 Industrial city (1990 pop. 42,762), Middlesex co., central Conn., on the west bank of the Connecticut River; settled 1650, inc. 1784, town and city consolidated 1923. Its manufactures in...

lumber

(Encyclopedia)lumber, term for timber that has been cut into boards for use as a building material. The major steps in producing lumber involve logging (the felling and preparation of timber for shipment to sawmill...

Eric XIV

(Encyclopedia)Eric XIV, 1533–77, king of Sweden (1560–68), son and successor of Gustavus I. To strengthen the power of the crown, he limited (1561) the privileges of the royal dukes. He forbade the marriage of ...

Erzgebirge

(Encyclopedia)Erzgebirge ĕrtsˈgəbĭrˌgə [key] [Ger.,=ore mountains], Czech Krušné Hory, mountain range, along the Czech–German border, extending c.95 mi (150 km) from the Fichtelgebirge in the southwest to...

American Friends Service Committee

(Encyclopedia)American Friends Service Committee (AFSC), organization est. 1917 by the Religious Society of Friends (Quakers) that provides social services and information to the public in an attempt to promote int...

electrode

(Encyclopedia)electrode, terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit. In most familiar circuits current is carried by metallic conductors, but in som...