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Barrow-in-Furness

(Encyclopedia)Barrow-in-Furness –fûrˈnĭs [key], city and district, Cumbria, NW England, on the tip of the Furness peninsula. T...

color index

(Encyclopedia)color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different colors. If blue and...

Port Arthur, city, United States

(Encyclopedia)Port Arthur, city (1990 pop. 58,724), Jefferson co., SE Tex., on Sabine Lake; inc. 1898. A deepwater port of entry on the Sabine-Neches Canal, it is an extensive oil port, with many large refineries, ...

Ordos

(Encyclopedia)Ordos ôrˈdōs [key], Mandarin Erdesi, sandy desert plateau region, c.35,000 sq mi (90,650 sq km), Inner Mongolian Autonomous Region, N China; almost encircled by the great northern bend of the Huang...

Allegheny

(Encyclopedia)Allegheny ălˈəgāˌnē, ălˈəgäˌnē [key], river, 325 mi (523 km) long, rising in N central Pa., and flowing NW into N.Y., then SW through Pa. to the Monongahela, with which it forms the Ohio R...

Groningen, province, Netherlands

(Encyclopedia)Groningen grōˈnĭng-ən [key], province, c.900 sq mi (2,330 sq km), NE Netherlands, bordering on ...

Haber process

(Encyclopedia)Haber process häˈbər [key], commercial process for the synthesis of ammonia, NH3. Pure hydrogen and nitrogen gases are mixed in the appropriate proportion, heated to between 450℃ and 600℃, comp...

kiln

(Encyclopedia)kiln kĭl, kĭln [key], furnace for firing pottery and enamels, for making brick, charcoal, lime, and cement, for roasting ores, and for drying various substances (e.g., lumber, chemicals). Kilns may ...

sublimation, in chemistry

(Encyclopedia)sublimation sŭblĭmāˈshən [key], change of a solid substance directly to a vapor without first passing through the liquid state. The term is also used to describe the reverse process of the gas ch...

Taman Peninsula

(Encyclopedia)Taman Peninsula təmänˈ [key], c.20 mi (30 km) long and 8 mi (12.9 km) wide, Krasnodar Territory, SE European Russia, projecting westward between the Sea of Azov and the Black Sea. It is separated f...