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Titicaca

(Encyclopedia)Titicaca tētēkäˈkä [key], lake, c.3,200 sq mi (8,290 sq km), 110 mi (177 km) long, and c.900 ft (270 m) deep at at its deepest point, in the Andes Mts., on the Bolivia-Peru border; second largest...

Rolle of Hampole, Richard

(Encyclopedia)Rolle of Hampole, Richard rōl [key], c.1300–c.1349, English religious writer, a Yorkshire hermit. He wrote mainly in Latin, but his English works are important for the history of the language. Some...

Confucius

(Encyclopedia)Confucius kənfyo͞oˈshəs [key], Chinese K'ung Ch'iu or K'ung Fu-tzu, Pinyin Kong Fuzi, c.551–479? b.c., Chinese sage. Positive evidence concerning the life of Confucius is scanty; modern scholars...

Alfonso XIII, king of Spain

(Encyclopedia)Alfonso XIII, 1886–1941, king of Spain (1886–1931), posthumous son and successor of Alfonso XII. His mother, Maria Christina (1858–1929), was regent until 1902. In 1906, Alfonso married Princess...

pontoon

(Encyclopedia)pontoon, one of a number of floats used chiefly to support a bridge, to raise a sunken ship, or to float a hydroplane or a floating dock. Pontoons have been built of wood, of hides stretched over wick...

hydrogen fluoride

(Encyclopedia)hydrogen fluoride, chemical compound, HF, a colorless, fuming liquid or colorless gas that boils at 19.54℃. It is miscible with water and is soluble in benzene, toluene, and concentrated sulfuric ac...

Hellman, Lillian

(Encyclopedia)Hellman, Lillian, 1905–84, American dramatist, b. New Orleans. Her plays, although often melodramatic, are marked by intelligence and craftsmanship. The Children's Hour (1934), her first drama, conc...

synchrotron radiation

(Encyclopedia)synchrotron radiation, in physics, electromagnetic radiation emitted by high-speed electrons spiraling along the lines of force of a magnetic field (see magnetism). Depending on the electron's energy ...

Declaration of Independence

(Encyclopedia)Declaration of Independence, full and formal declaration adopted July 4, 1776, by representatives of the Thirteen Colonies in North America announcing the separation of those colonies from Great Brita...

Lee, Arthur

(Encyclopedia)Lee, Arthur, 1740–92, American Revolutionary diplomat, b. Westmoreland co., Va.; brother of Francis L. Lee, Richard H. Lee, and William Lee. Educated in Great Britain, he returned to Virginia to pra...