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helicopter
(Encyclopedia)helicopter, type of aircraft in which lift is obtained by means of one or more power-driven horizontal propellers called rotors. When the rotor of a helicopter turns it produces reaction torque which ...anti–Vietnam War movement
(Encyclopedia)anti–Vietnam War movement, domestic and international reaction (1965–73) in opposition to U.S. policy during the Vietnam War. During the four years following passage of the Tonkin Gulf resolution ...Lincoln Center for the Performing Arts
(Encyclopedia)Lincoln Center for the Performing Arts, in central Manhattan, New York City, between 62d and 66th streets W of Broadway. Lincoln Center is both a complex of buildings and the arts organizations that r...Butler, Benjamin Franklin, 1818–93, American politician and Union general in the Civil War
(Encyclopedia)Butler, Benjamin Franklin, 1818–93, American politician and Union general in the Civil War, b. Deerfield, N.H. He moved to Lowell, Mass., as a youth and later practiced law there and in Boston. He w...Whitehead, Alfred North
(Encyclopedia)Whitehead, Alfred North, 1861–1947, English mathematician and philosopher, grad. Trinity College, Cambridge, 1884. There he was a lecturer in mathematics until 1911. At the Univ. of London he was a ...privateering
(Encyclopedia)privateering, former usage of war permitting privately owned and operated war vessels (privateers) under commission of a belligerent government to capture enemy shipping. Private ownership distinguish...Stephen, Sir Leslie
(Encyclopedia)Stephen, Sir Leslie, 1832–1904, English author and critic. The first serious critic of the novel, he was also editor of the great Dictionary of National Biography from its beginning in 1882 until 18...sorghum
(Encyclopedia)sorghum, tall, coarse annual (Sorghum bicolor) of the family Poaceae (grass family), somewhat similar in appearance to corn (but having the grain in a panicle rather than an ear) and used for much the...Reynolds, Sir Joshua
(Encyclopedia)Reynolds, Sir Joshua, 1723–92, English portrait painter, b. Devonshire. Long considered historically the most important of England's painters, by his learned example he raised the artist to a positi...dictionary
(Encyclopedia)dictionary, published list, in alphabetical order, of the words of a language. In monolingual dictionaries the words are explained and defined in the same language; in bilingual dictionaries they are ...Browse by Subject
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