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thallium

(Encyclopedia)thallium thălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20℃; valence +...

xylene

(Encyclopedia)xylene dīˌmĕthəlbĕnˈzēn [key], C6H4(CH3)2, colorless, oily, liquid aromatic hydrocarbon, used extensively as a solvent, obtained from coal tar, wood tar, and sometimes from petroleum. It is a m...

Saumur

(Encyclopedia)Saumur sōmürˈ [key], town (1990 pop. 30,150), Maine-et-Loire dept., W France, on the Loire River. Saumur is noted for its religious-medal industry (dating from the 17th cent.) and for its sparkling...

Freeport, cities, United States

(Encyclopedia)Freeport. 1 City (2020 pop. 23,973), seat of Stephenson co., NW Ill., on the Pecatonica River; inc. 1850. It is a trade and manufacturing center in a ...

Angara

(Encyclopedia)Angara ängˌgəräˈ, Rus. ŭnˌgəräˈ [key], river, c.1,150 mi (1,850 km) long, SE Siberian Russia, the outlet of Lake Baykal. After leaving the southwestern end of Lake Baykal, it flows north pas...

Garden City, cities, United States

(Encyclopedia)Garden City. 1 City (2020 pop. 10,289), Chatham co., SE Ga., a port of entry, distribution center, and industrial city on the Savannah River; inc. ...

Moneo, Rafael

(Encyclopedia)Moneo, Rafael (José Rafael Moneo), 1937–, Spanish architect, b. Tudela, Navarre. He received undergraduate (1961) and doctoral (1965) degrees from the Madrid School of Architecture, worked (1960–...

Krasnoyarsk Territory

(Encyclopedia)Krasnoyarsk Territory, administrative division (1989 pop. 3,595,000), c.928,000 sq mi (2,403,520 sq km), central Siberian Russia, extending from the Sayan Mts. and the Minusinsk basin in the south acr...

Kuznetsk Basin

(Encyclopedia)Kuznetsk Basin, coal basin, c.10,000 sq mi (25,900 sq km), W Siberian Russia, between the Kuznetsk Alatau and the Salair Ridge. Its abbreviated name is Kuzbas. With extensive coal deposits, particular...

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...