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Tooker, George

(Encyclopedia)Tooker, George (George Clair Tooker, Jr.), 1920–2011, American painter, b. Brooklyn, N.Y., grad. Harvard (A.B., 1942), studied (1943–45) Art Students League, New York City, with Reginald Marsh. Pa...

Piccirilli

(Encyclopedia)Piccirilli pēˌchērēlˈlē [key], family of Italian-American marble cutters and sculptors. In 1888, the father and six sons, all sculptors, migrated from Italy and established a highly successful w...

Cook, James

(Encyclopedia)Cook, James, 1728–79, English explorer and navigator. The son of a Yorkshire agricultural laborer, he had little formal education. After an apprenticeship to a firm of shipowners at Whitby, he joine...

ecliptic

(Encyclopedia)ecliptic ēklĭpˈtĭk, ĭ– [key], the great circle on the celestial sphere that lies in the plane of the earth's orbit (called the plane of the ecliptic). Because of the earth's yearly revolution a...

Coriolis effect

(Encyclopedia)Coriolis effect kôrˌē-ōˈlĭs [key] [for G.-G. de Coriolis, a French mathematician], tendency for any moving body on or above the earth's surface, e.g., an ocean current or an artillery round, to ...

angle

(Encyclopedia)angle, in mathematics, figure formed by the intersection of two straight lines; the lines are called the sides of the angle and their point of intersection the vertex of the angle. Angles are commonly...

jumping mouse

(Encyclopedia)jumping mouse, rodent slightly larger than the common mouse, found in North America and N Asia, also called the kangaroo mouse. Its long hind legs and tail enable it to leap distances up to 12 ft (3.7...

jet stream

(Encyclopedia)jet stream, narrow, swift currents or tubes of air found at heights ranging from 7 to 8 mi (11.3–12.9 km) above the surface of the earth. They are caused by great temperature differences between adj...

mandala

(Encyclopedia)mandala mŭnˈdələ [key], [Skt.,=circular, round] a concentric diagram having spiritual and ritual significance in Hindu and Buddhist Tantrism. The mandala may have derived from the circular stupa a...

Mayakovsky, Vladimir Vladimirovich

(Encyclopedia)Mayakovsky, Vladimir Vladimirovich vlədyēˈmĭr vlədyēˈmĭrəvĭch mīˌəkôfˈskē [key], 1893–1930, Russian poet and dramatist. Mayakovsky was a leader of the futurist school in 1912, and he...