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Aldrin, Buzz

(Encyclopedia)Aldrin, Buzz ôlˈdrĭn [key] (Edwin Eugene Aldrin, Jr.), 1930–, American astronaut, b. Montclair, N.J. After graduating from West Point (1951), Aldrin joined the U.S. air force and flew 66 combat m...

Davis, Bette

(Encyclopedia)Davis, Bette bĕtˈē [key], 1908–89, American film actress, b. Lowell, Mass., as Ruth Elizabeth Davis. One of the most durable stars of the American screen, she made her debut in 1931. With a strik...

Comey, James Brien, Jr.

(Encyclopedia)Comey, James Brien, Jr., 1960–, American law enforcement official, b. Yonkers, N.Y., grad. William and Mary, 1982, Univ. of Chicago Law School, 1985. He was assistant U.S. attorney for the Southern ...

euchre

(Encyclopedia)euchre yo͞oˈkər [key], card game, played usually by four persons (two sets of partners). The game originated among the Amish and was a popular card game in America in the late 19th cent. The pack h...

amendment

(Encyclopedia)amendment, in law, alteration of the provisions of a legal document. The term usually refers to the alteration of a statute or a constitution, but it is also applied in parliamentary law to proposed c...

elevator, in machinery

(Encyclopedia)elevator, in machinery, device for transporting people or goods from one level to another. The term is applied to the enclosed structures as well as the open platforms used to provide vertical transpo...

scale, in weights and measures

(Encyclopedia)scale, in weights and measures, instruments for determining weight, generally for other than laboratory use. For the principles of operation of all weighing devices, see balance. Platform scales utili...

Pérez, Antonio

(Encyclopedia)Pérez, Antonio äntôˈnyō pāˈrĕth [key], b. 1534 or 1539, d. 1611, Spanish politician. Ambitious and unscrupulous, he became secretary to King Philip II and was, with the princesa de Éboli, a c...

prime minister

(Encyclopedia)prime minister or premier, chief member of the cabinet in a parliamentary system of government. The prime minister is head of the government, in contrast with the head of state, who may be a constitut...

root, in mathematics

(Encyclopedia)root, in mathematics, number or quantity r for which an equation f(r)=0 holds true, where f is some function. If f is a polynomial, r is called a root of f; for example, r=3 and r=−4 are roots of th...