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Sudd

(Encyclopedia)Sudd so͝od [key], swampy region, c.200 mi (320 km) long, and c.150 mi (240 km) wide, central South Sudan, E central Africa. It is fed by the Bahr el Jebel, the Bahr el Ghazal, and the Bahr el Arab, h...

Biqa, Al

(Encyclopedia)Biqa, Al ĕl bēkäˈ [key], upland valley of Lebanon and Syria, 75 mi (121 km) long and 5 to 9 mi (8–14.5 km) wide, between the Lebanon and Anti-Lebanon ranges; highest part of the Rift Valley comp...

White Nile

(Encyclopedia)White Nile, river, one of the chief tributaries of the Nile, E Africa. The name is sometimes used for the 600 mi (970 km) long section of the river known as the Bahr el Abiad that extends upstream fro...

Silverman, Joseph

(Encyclopedia)Silverman, Joseph, 1860–1930, American rabbi, b. Cincinnati. He was a rabbi at Dallas, Tex. (1884–85), at Galveston (1885–88), and at the Temple Emanu-El, New York City (1888–1922). He was pre...

Fonseca, Gulf of

(Encyclopedia)Fonseca, Gulf of fōnsāˈkä [key], inlet of the Pacific Ocean, c.700 sq mi (1,810 sq km), c.50 mi (80 km) long and c.30 mi (50 km) wide, W Central America. In a volcanic area, it is a natural shallo...

Marañón, Gregorio

(Encyclopedia)Marañón, Gregorio grāgōˈrēō märänyōnˈ [key], 1887–1960, Spanish essayist, b. Madrid. A physician and professor of endocrinology, he used his scientific knowledge and approach to analyze l...

San Vicente

(Encyclopedia)San Vicente sän vēsānˈtā [key], city (1993 pop. 28,529), central El Salvador. Among its industries are textile manufacturing and sugar milling. San Vicente is the commercial center of a region th...

vibration

(Encyclopedia)vibration, in physics, commonly an oscillatory motion—a movement first in one direction and then back again in the opposite direction. It is exhibited, for example, by a swinging pendulum, by the pr...

Gómez de la Serna, Ramón

(Encyclopedia)Gómez de la Serna, Ramón rämōnˈ gōˈmāth dā lä sĕrˈnä [key], 1888–1963, Spanish novelist, biographer, and critic, b. Madrid. One of the most prolific and imaginative of modern Spanish wr...

Blanco Fombona, Rufino

(Encyclopedia)Blanco Fombona, Rufino ro͞ofēˈnō blängˈkō fōmbōˈnä [key], 1874–1944, Venezuelan poet, essayist, and novelist, one of the leaders of modernismo. Active in Venezuelan political affairs, he ...