Columbia Encyclopedia

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plating

(Encyclopedia)plating, application of a plate, or coat, of metal to a surface for decoration, reflection of light, protection against corrosion, or increased wearing quality. The practice is of ancient origin: gild...

Clausthal-Zellerfeld

(Encyclopedia)Clausthal-Zellerfeld klousˈtäl-tsĕlˈərfĕlt [key], town, Lower Saxony, central Germany, a resort in the Harz Mts. Its manufactures include textiles and wood products. The town was once a center f...

Linares

(Encyclopedia)Linares lēnäˈrās [key], city (1990 pop. 59,150), Jaén prov., S Spain, in Andalusia. The rich silver and lead mines nearby have brought prosperity to the city, which now has many metallurgical ind...

Macintosh, Charles

(Encyclopedia)Macintosh, Charles măkˈəntŏshˌ [key], 1766–1843, Scottish chemist and inventor. In 1823 he developed a waterproof fabric used to make raincoats that were named for him. His other research inclu...

Bracken, John

(Encyclopedia)Bracken, John, 1883–1969, Canadian political leader, b. Ontario. A noted agricultural expert, he was premier of Manitoba for 20 years (1922–42). In 1942 he was chosen to lead Canada's Conservative...

Stewart, river, Canada

(Encyclopedia)Stewart, river, 331 mi (533 km) long, rising in the Mackenzie Mts., central Yukon, Canada, and flowing generally W to the Yukon River S of Dawson. The river is navigable for most of its length and is ...

Porter, George, Baron Porter of Luddenham

(Encyclopedia)Porter, George, Baron Porter of Luddenham, 1920–2002, British chemist, b. Stainforth, England, grad. Leeds Univ., Ph.D. Cambridge, 1949. After serving as a radar officer during World War II, he did ...

Chukchi Peninsula

(Encyclopedia)Chukchi Peninsula cho͞okˈchē [key], northeastern extremity of Asia, terminating in Cape Dezhnev, Russian Far East. Washed by the E Siberian and Chukchi seas in the northeast, the peninsula is the e...

graphite

(Encyclopedia)graphite grăfˈīt [key], an allotropic form of carbon, known also as plumbago and black lead. It is dark gray or black, crystalline (often in the form of slippery scales), greasy, and soft, with a m...

Flint, city, United States

(Encyclopedia)Flint, city (2020 pop. 81,252), seat of Genesee co., SE Mich., on the Flint River; inc. 1855. Since 1902 it has been an automobile-manufacturing centers...