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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...

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...

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...

iceberg

(Encyclopedia)iceberg, mass of ice that has become detached, or calved, from the edge of an ice sheet or glacier and is floating on the ocean. Because ice is slightly less dense than water about one ninth of the to...

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...

Norris, George William

(Encyclopedia)Norris, George William, 1861–1944, American legislator, b. Sandusky co., Ohio. After admission to the bar in 1883, he moved (1885) to Furnas co., Nebr., where he practiced law and was prosecuting at...

Managua

(Encyclopedia)Managua mänäˈgwä [key], city (1995 pop. 819,731), W Nicaragua, capital and largest city of Nicaragua, on the southern shore of Lake Managua. It is the commercial and industrial center of the count...

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...

Randolph, Edmund

(Encyclopedia)Randolph, Edmund, 1753–1813, American statesman, b. Williamsburg, Va.; nephew of Peyton Randolph. He studied law under his father, John Randolph, a Loyalist who went to England at the outbreak of th...

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 ...