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Organization of American States

(Encyclopedia)Organization of American States (OAS), international organization, created Apr. 30, 1948, at Bogotá, Colombia, by agreement of Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, the Dominican R...

Cooper Union for the Advancement of Science and Art

(Encyclopedia)Cooper Union for the Advancement of Science and Art, accredited institution of higher education; in New York City; coeducational; chartered and opened in 1859. Founded by Peter Cooper, it pioneered in...

wisent

(Encyclopedia)wisent vēˈsənt [key], name for the European bison, Bison bonasus. It is a close relative of the American bison, B. bison. Longer legged and less heavily built than its American cousin, the wisent m...

digital-to-analog conversion

(Encyclopedia)digital-to-analog or D/A conversion, the process of changing discrete digital data into a continuously varying signal in relation to a standard or reference. There are two types of converters: electro...

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