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incest

(Encyclopedia)incest, sexual relations between persons to whom marriage is prohibited by custom or law because of their close kinship. Ideas of kinship, however, vary widely from group to group, hence the definitio...

dynamics

(Encyclopedia)dynamics, branch of mechanics that deals with the motion of objects; it may be further divided into kinematics, the study of motion without regard to the forces producing it, and kinetics, the study o...

electrodynamics

(Encyclopedia)electrodynamics, study of phenomena associated with charged bodies in motion and varying electric and magnetic fields (see charge; electricity); since a moving charge produces a magnetic field, electr...

Gwathmey, Robert

(Encyclopedia)Gwathmey, Robert gwăthˈmē [key], 1903–88, American painter, b. Richmond, Va. Gwathmey taught at Cooper Union from 1942 to 1968. Among the first white artists to portray African Americans with dig...

Springsteen, Bruce Frederick

(Encyclopedia)Springsteen, Bruce Frederick, 1949–, American singer, guitarist, and songwriter, nicknamed “The Boss,” b. Long Branch, N.J. Springsteen established himself as a singer and songwriter, as well as...

Brooks, Garth

(Encyclopedia) Brooks, Garth , 1962- , American country singer/songwriter, b. Luba, OK, Oklahoma State Univ. (B.A., 1984). Brooks's mother was a country singer who pe...

adenosine triphosphate

(Encyclopedia)CE5 Adenosine triphosphate (ATP) adenosine triphosphate (ATP) ədĕnˈəsēn trīˌfŏsˈfāt [key], organic compound composed of adenine, the sugar ribose, and three phosphate groups. ATP serves ...

West Nile virus

(Encyclopedia)West Nile virus, microorganism and the infection resulting from it, which typically produces no symptoms or a flulike condition. The virus is a flavivirus and is related to a number of viruses that ca...

White, Stanford

(Encyclopedia)White, Stanford, 1853–1906, American architect, b. New York City; son of Richard Grant White. In 1872 he entered the office of Gambrill and Richardson in Boston, at the time when H. H. Richardson wa...

celestial mechanics

(Encyclopedia)celestial mechanics, the study of the motions of astronomical bodies as they move under the influence of their mutual gravitation. Celestial mechanics analyzes the orbital motions of planets, dwarf pl...