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Pittston

(Encyclopedia)Pittston, industrial city (1990 pop. 9,389), Luzerne co., NE Pa., on the Susquehanna; settled c.1770 by the Susquehanna Company of Connecticut, inc. as a city 1894. It is a mining center for surface a...

Rialto

(Encyclopedia)Rialto, city (1990 pop. 72,388), San Bernardino co., S Calif., a residential suburb of San Bernardino; inc. 1911. The city has greatly expanded as a result of the economic and demographic growth of th...

firebrick

(Encyclopedia)firebrick, brick that can withstand high temperatures, used to line flues, stacks, furnaces, and fireplaces. In general, such bricks have high melting points that range from about 2,800℉ (1.540℃) ...

Lansing

(Encyclopedia)Lansing. 1 Village (1990 pop. 28,086), Cook co., NE Ill., a suburb of Chicago, near the Ind. line; inc. 1893. Among the city's industries are meatpacking, food processing, and the manufacture of metal...

Henderson

(Encyclopedia)Henderson. 1 City (2020 pop. 27,801), seat of Henderson co., NW Ky., on the Ohio River, in an oil, coal, tobacco, corn, and livestock area; founded ...

vanadium

(Encyclopedia)vanadium vənāˈdēəm [key], metallic chemical element; symbol V; at. no. 23; at. wt. 50.9415; m.p. about 1,890℃; b.p. 3,380℃; sp. gr. about 6 at 20℃; valence +2, +3, +4, or +5. Vanadium is a ...

oxide

(Encyclopedia)oxide, chemical compound containing oxygen and one other chemical element. Oxides are widely and abundantly distributed in nature. Water is the oxide of hydrogen. Silicon dioxide is the major componen...

magnesium

(Encyclopedia)magnesium măgnēˈzēəm, –zhəm [key], metallic chemical element; symbol Mg; at. no. 12; at. wt. 24.3050; m.p. about 648.8℃; b.p. about 1,090℃; sp. gr. 1.738 at 20℃; valence +2. In 1808, Sir...

potassium

(Encyclopedia)potassium pətăsˈēəm [key], a metallic chemical element; symbol K [Lat. kalium=alkali]; at. no. 19; at. wt. 39.0983; m.p. 63.25℃; b.p. 760℃; sp. gr. .862 at 20℃; valence +1. Potassium is a s...

Alingsås

(Encyclopedia)Alingsås äˌlĭngsōsˈ [key], city (1990 est. pop. 21,300), Älvsborg co., SW Sweden, on Lake Mjörn; chartered 1619. It is an industrial center. Manufactures include textiles, leather goods, proce...