Columbia Encyclopedia

(Encyclopedia) Thieu, Nguyen Van nəwēˈĕn vän tēˈo͞o, tyo͞o [key], 1924–2001, president of the former Republic of South Vietnam (1967–75). After World War II, he joined the Viet Minh, but then left it to...

(Encyclopedia) anchor, device cast overboard to secure a ship, boat, or other floating object by means of weight, friction, or hooks called flukes. In ancient times an anchor was often merely a large stone, a bag or...

(Encyclopedia) Hague, William Jefferson hāg [key], 1961–, British politician, leader (1997–2001) of the Conservative party, b. Rotherham, Yorkshire. After graduating from Oxford, he worked briefly in industry, ...

(Encyclopedia)  Davis, Viola, 1965-, African-American actress and producer, b. St. Matthews, S.C., Rhode Island College (B.A., 1988), Juilliard (1993, acting; honorary...

(Encyclopedia) epilepsy, a chronic disorder of cerebral function characterized by periodic convulsive seizures. There are many conditions that have epileptic seizures. Sudden discharge of excess electrical activity,...

(Encyclopedia) Mexico, Span. México or Méjico, state (1990 pop. 9,815,795), 8,286 sq mi (21,461 sq km), S central Mexico. Toluca is the capital. The northern section of the state, containing most of the Valley of ...

(Encyclopedia) Nayarit näyärētˈ [key], state (1990 pop. 824,643), 10,547 sq mi (27,317 sq km), W Mexico, on the Pacific Ocean. Tepic is the capital. Mostly wild and rugged, Nayarit is broken by western spurs of ...

(Encyclopedia) acetic acid əsēˈtĭk [key], CH3CO2H, colorless liquid that has a characteristic pungent odor, boils at 118℃, and is miscible with water in all proportions; it is a weak organic carboxylic acid (s...

(Encyclopedia) Black Hills, rugged mountains, c.6,000 sq mi (15,540 sq km), enclosed by the Belle Fourche and Cheyenne rivers, SW S.Dak. and NE Wyo., and rising c.2,500 ft (760 m) above the surrounding Great Plains;...

(Encyclopedia) compulsive gambling or pathological gambling, a psychological disorder characterized by a persistent inability to resist the impulse to gamble. The disorder is progressive and typically results in dif...