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whirlwind

(Encyclopedia) whirlwind, revolving mass of air resulting from local atmospheric instability, such as that caused by intense heating of the ground by the sun on a hot summer day. Examples of…

Treece, Henry

(Encyclopedia) Treece, Henry, 1912–66, English poet and novelist. He served as an intelligence officer in the Royal Air Force during World War II, after which he taught school for many years. He is…

polka

(Encyclopedia) polka, ballroom dance for couples in 2/4 time. Originated by Bohemian peasants about 1830 from steps of the schottische and other dances, the polka by 1835 reached the drawing rooms of…

Schwind, Moritz von

(Encyclopedia) Schwind, Moritz vonSchwind, Moritz vonmōˈrĭts fən shvĭnt [key], 1804–71, Austrian historical painter and illustrator of the romantic school. Best known for the imagination and strength…

Barrow, Errol

(Encyclopedia) Barrow, Errol, 1920–87, prime minister of Barbados (1966–76, 1986–87). After serving as a British Royal Air Force pilot and navigator (1940–47), he obtained (1949) a law degree in…

Saint-Raphaël

(Encyclopedia) Saint-RaphaëlSaint-RaphaëlsăN-räfäĕlˈ [key], town (1990 pop. 26,799), Var dept., SE France, on the French Riviera. It is an elegant resort and a small commercial port as well as an…

oxygen tent

(Encyclopedia) oxygen tent, device used to maintain a patient in an oxygen-rich environment. The oxygen tent is composed of a clear plastic sheet suspended over the bed and tucked beneath the…

Nanling

(Encyclopedia) NanlingNanlingnänˈlīngˈ [key], mountain range of Guangdong and Hunan prov. and Guangxi Zhuang Autonomous Region, S China; rises to c.6,900 ft (2,100 m). The Nanling form the…

harmonic

(Encyclopedia) harmonic. 1 Physical term describing the vibration in segments of a sound-producing body (see sound). A string vibrates simultaneously in its whole length and in segments of halves,…

man-o'-war bird

(Encyclopedia) man-o'-war bird or frigate-bird, most aerial of the water birds, found in the tropic seas. The man-o'-war bird's wingspread (71&fslsh;2 ft/228.5 cm) is the largest in proportion to…