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Emancipation Proclamation

(Encyclopedia)Emancipation Proclamation, in U.S. history, the executive order abolishing slavery in the Confederate States of America. The proclamation did not reflect Lincoln's desired solution for the slavery p...

Chandler, family of American real estate developers and publishers

(Encyclopedia)Chandler, family of American real estate developers and publishers. Harry Chandler, 1864–1944, b. Landaff, N.H., moved to Los Angeles and during the early 20th cent. was very largely responsible for...

gnu

(Encyclopedia)gnu wĭlˈdəbēstˌ [key], large African antelope, genus Connochaetes. Its heavy head and humped shoulders resemble those of a buffalo, while the compact hindquarters are like those of a horse. The g...

performance art

(Encyclopedia)performance art, multimedia art form originating in the 1970s in which performance is the dominant mode of expression. Perfomance art may incorporate such elements as instrumental or electronic music,...

marble

(Encyclopedia)marble, metamorphic rock composed wholly or in large part of calcite or dolomite crystals, the crystalline texture being the result of metamorphism of limestone by heat and pressure. The term marble i...

lemming

(Encyclopedia)lemming, name for several species of mouselike rodents related to the voles. All live in arctic or northern regions, inhabiting tundra or open meadows. They frequently nest in underground burrows, par...

potato beetle

(Encyclopedia)potato beetle, name for two beetles of the leaf beetle family and for two of the blister beetle family, all destructive to the potato plant and its relatives. Most notorious is the Colorado potato bee...

cesium

(Encyclopedia)cesium sēˈzēəm [key] [Lat.,=bluish gray], a metallic chemical element; symbol Cs; at. no. 55; at. wt. 132.90545; m.p. 28.4℃; b.p. 669.3℃; sp. gr. 1.873 at 20℃; valence +1. Cesium is a ductil...

technetium

(Encyclopedia)technetium tÄ•knēˈshÄ“É™m [key] [Gr. technetos=artificial], artificially produced radioactive chemical element; symbol Tc; at. no. 43; mass no. of most stable isotope 98; m.p. 2,200℃; b.p. 4,877â„...

beech

(Encyclopedia)CE5 American beech Fagus grandifolia beech, common name for the Fagaceae, a family of trees and shrubs mainly of temperate and subtropical regions in the Northern Hemisphere. The principal generaâ...