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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 ...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 ...Sand, George
(Encyclopedia)Sand, George ämäNdēnˈ ôrôrˈ lüsēˈ düpăN, bärônˈ düdväNˈ [key], 1804–76, French novelist. Other variant forms of her maiden name include Amantine Lucile Aurore Dupin. Born of an ari...pinochle
(Encyclopedia)pinochle pēˈnŭˌkəl [key], card game, probably derived from bezique, that was developed in the United States in the 19th cent. Pinochle is played by two, three, or four players, with a deck of 48 ...zinc
(Encyclopedia)zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58℃; b.p. 907℃; sp. gr. 7.133 at 25℃; valence +2. Zinc is a lustrous bluish-white metal. It is found in Group 12 o...translation
(Encyclopedia)translation [Lat.,=carrying across], the rendering of a text into another language. Applied to literature, the term connotes the art of recomposing a work in another language without losing its origin...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 ...Columbia University
(Encyclopedia)Columbia University, mainly in New York City; founded 1754 as King's College by grant of King George II; first college in New York City, fifth oldest in the United States; one of the eight Ivy League ...Rothko, Mark
(Encyclopedia)Rothko, Mark rŏthˈkō [key], 1903–70, American painter, b. Dvinsk, Russia (now Daugavpils, Latvia), as Marcus Rotkovitch. His family immigrated to the United States in 1913. He was a student of Ma...Browse by Subject
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