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Ewing, Sir James Alfred

(Encyclopedia)Ewing, Sir James Alfred yo͞oˈĭng [key], 1855–1935, Scottish engineer and physicist. As professor at Tokyo (1878–83), Dundee (1883–90), and Cambridge (1890–1903), he helped establish program...

silicon carbide

(Encyclopedia)silicon carbide, chemical compound, SiC, that forms extremely hard, dark, iridescent crystals that are insoluble in water and other common solvents. Widely used as an abrasive, it is marketed under su...

Pontiac, city, United States

(Encyclopedia)Pontiac, industrial city (1990 pop. 71,166), seat of Oakland co., SE Mich., on the Clinton River; founded 1818 by promoters from Detroit, inc. as a city 1861. Industries developed early and expanded a...

Rueil-Malmaison

(Encyclopedia)Rueil-Malmaison rüĕˈyə-mälmāzôNˈ [key], town (1990 pop. 67,323), Hauts-de-Seine dept., N central France. It is an industrial center where metals, armaments, photographic equipment, film, pharm...

Niterói

(Encyclopedia)Niterói nētəroiˈ [key], city (1996 pop. 450,124), Rio de Janeiro prov., SE Brazil, on Guanabara Bay opposite the city of Rio de Janeiro. It is a residential suburb of Rio, and many of its citizens...

Autun

(Encyclopedia)Autun ōtöNˈ [key], town, Saône-et-Loire dept., E central France, on the Arroux River. It is an industrial center producing metals, machinery, leather, cloth, timber, a...

Opole

(Encyclopedia)Opole ôpôˈlĕ [key], Ger. Oppeln, city (1992 est. pop. 129,000), capital of Opolskie prov., S Poland, on the Oder River. A river port and rail junction, it is also an important trade center, with m...

Bassano del Grappa

(Encyclopedia)Bassano del Grappa bäs-säˈnō dĕl gräpˈpä [key], city, Venetia, NE Italy, on t...

carbon tetrachloride

(Encyclopedia)carbon tetrachloride tĕˌtrəklôrˌəmĕthˈān [key], CCl4, colorless, poisonous, liquid organic compound that boils at 76.8℃. It is toxic when absorbed through the skin or when inhaled. It react...

skin cancer

(Encyclopedia)skin cancer, malignant tumor of the skin. The most common types of skin cancer are basal cell carcinoma, squamous cell carcinoma, and melanoma. Rarer forms include mycosis fungoides (a type of lymphom...