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Mao Zedong

(Encyclopedia)Mao Zedong or Mao Tse-tung mou dzŭ-do͝ong [key], 1893–1976, founder of the People's Republic of China. Mao was one of the most prominent Communist theoreticians and his ideas on revolutionary stru...

District of Columbia, University of the

(Encyclopedia)District of Columbia, University of the, at Washington, D.C.; coeducational; land-grant and federally supported; est. 1976 with the merger of three existing colleges; predominantly African American. I...

geometric problems of antiquity

(Encyclopedia)geometric problems of antiquity, three famous problems involving elementary geometric constructions with straight edge and compass, conjectured by the ancient Greeks to be impossible but not proved to...

pagoda

(Encyclopedia)CE5 Pagoda pagoda pəgōˈdə [key], name given in the East to a variety of buildings of tower form that are usually part of a temple or monastery group and serve as shrines. Those of India (see s...

slide rule

(Encyclopedia)slide rule, instrument for making numerical computations and readings, the results of which may be read easily and quickly after performing simple mechanical manipulations. Multiplication and division...

Mills, Clark

(Encyclopedia)Mills, Clark, 1810–83, American sculptor, b. Onondaga co., N.Y. Self-taught in art, he designed and in 1852 cast in an experimental foundry the statue of General Jackson for Lafayette Square, Washin...

Swinnerton, Frank

(Encyclopedia)Swinnerton, Frank, 1884–1982, English novelist and critic, b. Wood Green, Middlesex. In addition to serving variously as an editor and a drama critic he wrote over 30 novels. For half a century, Swi...

Fisher, Dorothy Canfield

(Encyclopedia)Fisher, Dorothy Canfield, 1879–1958, American novelist and juvenile writer, b. Lawrence, Kans., grad. Ohio State, 1899, Ph.D. Columbia, 1904. Her novels include The Bent Twig (1915), The Deepening S...

parallelogram

(Encyclopedia)parallelogram, closed plane figure bounded by four line segments, or sides, with opposite pairs of sides parallel and equal in length. The rhombus, rectangle, and square are special types of parallelo...

ketch

(Encyclopedia)ketch, fore-and-aft-rigged sailing vessel with a mainmast forward carrying a mainsail and jibs. It has a mizzenmast aft, stepped forward of the rudder post. In the United States, ketch-rigged vessels ...