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concrete

(Encyclopedia)concrete, structural masonry material made by mixing broken stone or gravel with sand, cement, and water and allowing the mixture to harden into a solid mass. The cement is the chemically active eleme...

fishing

(Encyclopedia)fishing, act of catching fish for consumption or display. Fishing—usually by hand, club, spear, net, and (at least as early as 23,000 years ago) by hook—was known to prehistoric people. It was pra...

selective service

(Encyclopedia)selective service, in U.S. history, term for conscription. Conscription was established (1863) in the U.S. Civil War, but proved unpopular (see draft riots). The law authorized release from service to...

Niagara Falls, waterfall, United States and Canada

(Encyclopedia)Niagara Falls, in the Niagara River, W N.Y. and S Ont., Canada; one of the most famous spectacles in North America. The falls are on the international line between the cities of Niagara Falls, N.Y., a...

Brandeis, Louis Dembitz

(Encyclopedia)Brandeis, Louis Dembitz brănˈdīs [key], 1856–1941, associate justice of the U.S. Supreme Court (1916–39), b. Louisville, Ky., grad. Harvard law school, 1877. As a successful Boston lawyer (1879...

broker

(Encyclopedia)broker, one who acts as an intermediary in a sale or other business transaction between two parties. Such a person conducts individual transactions only, is given no general authority by the employers...

depression, in economics

(Encyclopedia)depression, in economics, period of economic crisis in commerce, finance, and industry, characterized by falling prices, restriction of credit, low output and investment, numerous bankruptcies, and a ...

Rosas, Juan Manuel de

(Encyclopedia)Rosas, Juan Manuel de hwän mänwĕlˈ dā rôˈsäs [key], 1793–1877, Argentine dictator, governor of Buenos Aires prov. (1829–32, 1835–52). As a boy he served under Jacques de Liniers against ...

United Mine Workers of America

(Encyclopedia)United Mine Workers of America (UMW), international labor union formed (1890) by the amalgamation of the National Progressive Union (organized 1888) and the mine locals under the Knights of Labor. It ...

credit card

(Encyclopedia)credit card, device used to obtain consumer credit at the time of purchasing an article or service. Credit cards may be issued by a business, such as a department store or an oil company, to make it e...