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DeCarava, Roy

(Encyclopedia)DeCarava, Roy, 1919–2009, American photographer, b. Harlem, New York City, as Roy Rudolph DeCarava; he studied (1944–45) under Charles White at theGeorge Washington Carver Art School. He intended ...

Mar, John Erskine, 6th (or 11th) earl of

(Encyclopedia)Mar, John Erskine, 6th (or 11th) earl of, 1675–1732, Scottish nobleman, leader of the Jacobites. He was nicknamed “Bobbing John,” probably because of his political vacillation. He succeeded his ...

Osceola

(Encyclopedia)Osceola ŏsēōˈlə, ō– [key], c.1800–1838, leader of the Seminole. He was also called Powell, the surname of his supposed white father. In the early 1830s, Osceola was living close to Fort King...

Anne of Cleves

(Encyclopedia)Anne of Cleves klēvz [key], 1515–57, fourth queen consort of Henry VIII of England. The sister of William, duke of Cleves, one of the most powerful of the German Protestant princes, she was conside...

cubism

(Encyclopedia)cubism, art movement, primarily in painting, originating in Paris c.1907. In painting the several sources of cubist inspiration included the later work of Cézanne; the geometric forms and compresse...

ultrasound

(Encyclopedia)ultrasound or sonography, in medicine, technique that uses sound waves to study and treat hard-to-reach body areas. In scanning with ultrasound, high-frequency sound waves are transmitted to the area ...

digestive system

(Encyclopedia)CE5 Digestive system digestive system, in the animal kingdom, a group of organs functioning in digestion and assimilation of food and elimination of wastes. Virtually all animals have a digestive ...

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 the rivers have...

Morse Code (table)

(Encyclopedia)Morse Code International Morse Code American Morse CodeThe American Morse differs in the following symbols: ...

Cameron, James

(Encyclopedia)Cameron, James, 1954–, Canadian motion-picture director and screenwriter, b. Kapuskasing, Ont. Beginning as a screenwriter and then art director, he first directed in 1981. His science-fiction block...