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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…

Dienbienphu

(Encyclopedia) Dienbienphu or Dien Bien PhuDienbienphudyĕnˈbyĕnˈf&oomacr;ˈ [key], former French military base, N Vietnam, near the Laos border. It was the scene in 1954 of the last great battle…

decompression sickness

(Encyclopedia) decompression sickness, physiological disorder caused by a rapid decrease in atmospheric pressure, resulting in the release of nitrogen bubbles into the body tissues. It is also known…

Clark, Dick

(Encyclopedia) Clark, Dick,, 1929-2012, American radio and TV broadcaster and producer, b. Bronxville, N.Y., as Richard Wagstaff Clark; Syracuse Univ…

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,…

warfare

(Encyclopedia) warfare, violent conflict between armed enemies. In modern times warfare has usually been conducted by the armed forces (e.g., army, navy, and air force) of a nation or other…

Lawrence, T. E.

(Encyclopedia) Lawrence, T. E. (Thomas Edward Lawrence), 1888–1935, British adventurer, soldier, and scholar, known as Lawrence of Arabia. While a student at Oxford he went on a walking tour of Syria…

extraterritoriality

(Encyclopedia) extraterritoriality or exterritoriality, privilege of immunity from local law enforcement enjoyed by certain aliens. Although physically present upon the territory of a foreign nation…

oxygen

(Encyclopedia) oxygen, gaseous chemical element; symbol O; at. no. 8; interval in which at. wt. ranges 15.99903–15.99977; m.p. −218.4℃; b.p. −182.962℃; density 1.429 grams per liter at STP; valence −…

hurricane

(Encyclopedia) CE5 View into the eye of a hurricane showing the structure of the surrounding cloud wall hurricane, tropical cyclone in which winds attain speeds greater than 74 mi (119 km) per hr…