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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...

proportion

(Encyclopedia)proportion, in mathematics, the equality of two ratios. Two pairs of quantities a,b and c,d are in proportion if their ratios a/b and c/d are equal, i.e., if the equation a/b=c/d is true. For example,...

trombone

(Encyclopedia)trombone [Ital.,=large trumpet], brass wind musical instrument of cylindrical bore, twice bent on itself, having a sliding section that lengthens or shortens it and thus regulates the pitch. The desce...

Tularosa Basin

(Encyclopedia)Tularosa Basin, desert basin, c.6,500 sq mi (16,800 sq km), S N.Mex. and W Tex. From Texas east of El Paso the basin, an area of interior drainage, extends c.170 mi (275 km) to the north, and ranges c...

Tierra del Fuego

(Encyclopedia)Tierra del Fuego tyĕˈrä dĕl fwāˈgō [key], [Span.,=land of fire], archipelago, 28,476 sq mi (73,753 sq km), off S South America, separated from the mainland by the Strait of Magellan. It consist...

Trans-Siberian Railroad

(Encyclopedia)Trans-Siberian Railroad, rail line, linking European Russia with the Pacific coast. Its construction began in 1891, on the initiative of Count S. Y. Witte, and was completed in 1905. The completion of...

Reynard the Fox

(Encyclopedia)Reynard the Fox rĕˈnərd, rāˈnärd [key], the supreme trickster and celebrated hero of the medieval beast epics, works predominantly in verse which became increasingly popular after c.1150. They a...

recitative

(Encyclopedia)recitative rĕsˌĭtətēvˈ [key], musical declamation for solo voice, used in opera and oratorio for dialogue and for narration. Its development at the close of the 16th cent. made possible the rise...

Puebla, state, Mexico

(Encyclopedia)Puebla pwāˈblä [key], state (1990 pop. 4,126,101), 13,126 sq mi (33,996 sq km), E central Mexico. The city of Puebla is the capital. The state is almost entirely mountainous, with large valleys bet...

Ningxia Hui Autonomous Region

(Encyclopedia)Ningxia Hui Autonomous Region nĭngˈshyäˈ hwē [key], autonomous region (2010 pop. 6,301,350), c.25,600 sq mi (66,321 sq km), N China. The capital is Yinchuan. Ningxia is part of the Inner Mongolia...