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remora

(Encyclopedia)remora rĕmˈərə [key], any of the several species of warmwater fishes of the family Echeneidae, characterized by an oval sucking disk on the top of the head. With this apparatus (a modification of ...

Pontiac, Ottawa chief

(Encyclopedia)Pontiac, fl. 1760–66, Ottawa chief. He may have been the chief met by Robert Rogers in 1760 when Rogers was on his way to take possession of the Western forts for the English. Although the Native Am...

Orbiting Solar Observatory

(Encyclopedia)Orbiting Solar Observatory (OSO), series of eight orbiting observatories (see observatory, orbiting) launched between 1962 and 1971 by the National Aeronautics and Space Administration (NASA) to study...

Victoria, city, Canada

(Encyclopedia)Victoria, city (1991 pop. 71,228), capital of British Columbia, SW Canada, on Vancouver Island and Juan de Fuca Strait. It is the largest city on the island and its major port and business center. In ...

distillation

(Encyclopedia)distillation, process used to separate the substances composing a mixture. It involves a change of state, as of liquid to gas, and subsequent condensation. The process was probably first used in the p...

culture

(Encyclopedia)culture, in anthropology, the integrated system of socially acquired values, beliefs, and rules of conduct which delimit the range of accepted behaviors in any given society. Cultural differences dist...

modulation, in communications

(Encyclopedia)CE5 Modulation modulation, in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal wave (the modulatin...

Downing, Andrew Jackson

(Encyclopedia)Downing, Andrew Jackson, 1815–52, American horticulturist, rural architect, and landscape gardener, b. Newburgh, N.Y. With his brother Charles Downing, 1802–85, he took over the operation of the n...

Dunning, William Archibald

(Encyclopedia)Dunning, William Archibald, 1857–1922, American historian, b. Plainfield, N.J., grad. Columbia (B.A., 1881; Ph. D., 1885). After studying in Berlin, he returned (1886) to spend a lifetime at Columbi...

Day, Dorothy

(Encyclopedia)Day, Dorothy, 1897–1980, American journalist and social activist, b. New York City. After studying at the Univ. of Illinois (1914–16), where she joined the Socialist party, she returned to New Yor...