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Orrery, Charles Boyle, 4th earl of

(Encyclopedia)Orrery, Charles Boyle, 4th earl of ŏrˈərē [key], 1676–1731, English nobleman; grandson of the 1st earl of Orrery. He succeeded his brother as earl in 1703. A supporter of Sir William Temple in h...

Franz Josef Land

(Encyclopedia)Franz Josef Land frăns jōˈzəf, fränts yōˈzĕf [key], Rus. Zemlya Frantsa Iosifa, archipelago, c.6,300 sq mi (16,320 sq km), in the Arctic Ocean N of Novaya Zemlya, Russia. It consists of more t...

hydrofoil

(Encyclopedia)hydrofoil, flat or curved finlike device, attached by struts to the hull of a watercraft, that lifts the moving watercraft above the water's surface. The term is often extended to include the vessel i...

Waters, Ethel

(Encyclopedia)Waters, Ethel, 1896?–1977, African-American singer and actress, b. Chester, Pa. As a singer, she is noted for her sultry, sophisticated, and dramatic version of the blues, evinced in her interpretat...

Ross, Sir James Clark

(Encyclopedia)Ross, Sir James Clark, 1800–1862, British polar explorer and rear admiral. In 1818 he accompanied his uncle, Sir John Ross, in search of the Northwest Passage and commanded the Erebus. He later stud...

Pepper, Beverly

(Encyclopedia)Pepper, Beverly, American sculptor, b. Brooklyn, N.Y. She lived in Italy from the 1950s. Pepper began as a social realist painter but soon turned to sculpture, inspired by the carvings at Angkor Wat (...

Wood, Grant

(Encyclopedia)Wood, Grant, 1891–1942, American painter, b. Anamosa, Iowa, studied Art Institute of Chicago and in Paris. He experimented with an impressionist style in Paris, but in Munich in 1928 he was decisive...

diffusion

(Encyclopedia)diffusion, in chemistry, the spontaneous migration of substances from regions where their concentration is high to regions where their concentration is low. Diffusion is important in many life process...

Mary Magdalene

(Encyclopedia)Mary Magdalene i.e., tearful [key] [traditionally Greek,=of Magdala], Christian saint, a woman widely venerated in Christendom. The name Madeleine is a French form of Magdalene. She appears in the New...

Rockefeller Foundation

(Encyclopedia)Rockefeller Foundation, philanthropic institution established (1913) by John D. Rockefeller, Sr., to promote “the well-being of mankind throughout the world.” During its first 14 years the foundat...