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digital versatile disc

(Encyclopedia) digital versatile disc or digital video disc (DVD), a small plastic disc used for the storage of digital data. The successor media to the compact disc (CD), a DVD can have more than…

Hart, Oliver Simon D'Arcy

(Encyclopedia) Hart, Oliver Simon D'Arcy, 1948–, British-American economist, b. London, England, Ph.D. Princeton, 1974. He has been a professor at the London School of Economics (1981–85), the…

Hessian fly

(Encyclopedia) Hessian fly, European gall gnat, Phytophaga destructor, so named because it was first observed in America shortly after the Hessian troops landed on Long Island in the American…

hip

(Encyclopedia) hip, in human anatomy, the joint separating the thigh bone from the pelvis, and the surrounding flesh. The adult hipbone consolidates three bones separate in youth: the ilium, ischium…

jai alai

(Encyclopedia) jai alaijai alaihīˈlīˌ [key], handball-like game of Spanish Basque origin. It is also called pelota. Jai alai is played on a three-walled court with a hard rubber ball that must be…

Media

(Encyclopedia) MediaMediamēˈdēə [key], ancient country of W Asia whose actual boundaries cannot be defined, occupying generally what is now W Iran and S Azerbaijan. It extended from the Caspian Sea…

atheism

(Encyclopedia) atheismatheismāˈthē-ĭzˌəm [key], denial of the existence of God or gods and of any supernatural existence, to be distinguished from agnosticism, which holds that the existence cannot…

cleft palate

(Encyclopedia) cleft palate, incomplete fusion of bones of the palate. The cleft may be confined to the soft palate at the back of the mouth; it may include the hard palate, or roof of the mouth; or…

fall line

(Encyclopedia) fall line, boundary between an upland region and a coastal plain across which rivers from the upland region drop to the plain as falls or rapids. A fall line is formed in an area where…

Carnot, Nicolas Léonard Sadi

(Encyclopedia) Carnot, Nicolas Léonard SadiCarnot, Nicolas Léonard Sadinēkōläˈ lāônärˈ sädēˈ [key]Carnot, Nicolas Léonard Sadi kärnōˈ [key], 1796–1832, French physicist, a founder of modern…