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contraction, in physics
(Encyclopedia)contraction, in physics: see expansion. ...contraction, in grammar
(Encyclopedia)contraction, in writing: see abbreviation. ...Cressida, in astronomy
(Encyclopedia)Cressida, in astronomy, one of the natural satellites, or moons, of Uranus. ...cricket, in zoology
(Encyclopedia)cricket, common name of the slender, chirping, hopping insects forming the family Gryllidae in the order Orthoptera. Most crickets have long antennae, muscular hind legs for jumping, and two pairs of ...crow, in zoology
(Encyclopedia)crow, partially migratory black bird, genus Corvus, of the same family as the raven, the magpie, the jay, and the rook and the jackdaw of Europe. The American, or common, crow, C. brachyrhynchos, abou...crane, in zoology
(Encyclopedia)crane, large wading bird found in marshes in the Northern Hemisphere and in Africa. Although sometimes confused with herons, cranes are more closely related to rails and limpkins. Cranes are known for...corona, in astronomy
(Encyclopedia)corona, luminous envelope surrounding the sun, outside the chromosphere. Its density is less than one billionth that of the earth's atmosphere. The corona is visible only at the time of totality durin...combination, in business
(Encyclopedia)combination, in business: see trust. ...combinations, in mathematics
(Encyclopedia)combinations, in mathematics: see probability. ...commerce, in economics
(Encyclopedia)commerce, traffic in goods, usually thought of as trade between states or nations. Engaged in by all peoples from the earliest times, it has been carried on in some areas and by some peoples more than...Browse by Subject
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