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Coanda effect
(Encyclopedia)Coanda effect or wall-attachment effect, the tendency of a moving fluid, either liquid or gas, to attach itself to a surface and flow along it. As a fluid moves across a surface a certain amount of fr...Valtellina
(Encyclopedia)Valtellina vältāl-lēˈnä [key], Alpine valley of the upper Adda River, c.75 mi (120 km) long, in Lombardy, N Italy, extending from Lake Como to the Stelvio Pass. The main towns are Sondrio and Tir...Perrin, Jean Baptiste
(Encyclopedia)Perrin, Jean Baptiste zhäN bätēstˈ pĕrăNˈ [key], 1870–1942, French physicist. From 1910 to 1940 he was professor at the Univ. of Paris, and in 1941 he came to the United States. Perrin specia...Margaret of Navarre
(Encyclopedia)Margaret of Navarre äNgo͞olāmˈ [key], 1492–1549, queen consort of Navarre; sister of King Francis I of France. After the death of her first husband she married (1527) Henri d'Albret, king of Nav...Bourbon
(Encyclopedia)Bourbon bo͞orbôNˈ [key], European royal family, originally of France; a cadet branch of the Capetian dynasty (see Capetians). One branch of the Bourbons occupies the modern Spanish throne, and othe...primitivism
(Encyclopedia)primitivism, in art, the style of works of self-trained artists who develop their talents in a fanciful and fresh manner, as in the paintings of Henri Rousseau and Grandma Moses. The term primitive ha...Weygand, Maxime
(Encyclopedia)Weygand, Maxime mäksēmˈ vāgäNˈ [key], 1867–1965, French general, b. Belgium. A career army officer, he was (1914–23) chief of staff to Marshal Foch, and in 1920 he directed the defense of Wa...Perelman, Grigori Yakovlevich
(Encyclopedia)Perelman, Grigori Yakovlevich, 1966–, Russian mathematician. After doing graduate work in the late 1980s for his Candidate of Science degree from Leningrad State Univ. (now St. Petersburg State Univ...Eggleston, William
(Encyclopedia)Eggleston, William (William Joseph Eggleston, Jr.), 1939–, American photographer credited with establishing color photography as an art form, b. Memphis Tenn. His early work in black and white was i...Huguenots
(Encyclopedia)Huguenots hyo͞oˈgənŏts [key], French Protestants, followers of John Calvin. The term is derived from the German Eidgenossen, meaning sworn companions or confederates. In the reign of King Louis ...Browse by Subject
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