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ore

(Encyclopedia)ore, metal-bearing mineral mass that can be profitably mined. Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore...

Dreux

(Encyclopedia)Dreux drö [key], town, Eure-et-Loir dept., N central France. It is an industrial center wher...

Dĕčín

(Encyclopedia)Dĕčín dyĕˈchēn [key], Ger. Tetschen, city, Czech Republic, in Bohemia, on the Elbe. It ...

Hobbs

(Encyclopedia)Hobbs, city (2020 pop. 40,508), Lea co., SE N.Mex.; inc. 1929. With the discovery (c.1928) of oil and natural gas in the area, Hobbs became one of the l...

Hannibal, city, United States

(Encyclopedia)Hannibal, city (2020 pop. 17,108), Marion and Ralls counties, NE Mo., on the Mississippi River; inc. 1845. It is a river port and shipping center. Indus...

Guinea, Gulf of

(Encyclopedia)Guinea, Gulf of gĭnˈē [key], large open arm of the Atlantic Ocean formed by the great bend of the coast of W Africa. It extends from the western coast of Côte d'Ivoire to the Gabon estuary and is ...

fulminate

(Encyclopedia)fulminate fŭlˈmĭnāt [key], any salt of fulminic acid, HONC, a highly unstable compound known only in solution. The term is most commonly applied to the explosive mercury (II) fulminate, also calle...

flywheel

(Encyclopedia)flywheel, heavy metal wheel attached to a drive shaft, having most of its weight concentrated at the circumference. Such a wheel resists changes in speed and helps steady the rotation of the shaft whe...

Épinal

(Encyclopedia)Épinal āpēnälˈ [key], town, capital of Vosges dept., E France, in Lorraine, on the Mosel...

Joliet

(Encyclopedia)Joliet jōˈlēĕtˌ [key], city (1990 pop. 76,836), seat of Will co., NE Ill., on the Des Plaines River; inc. 1857. It is a river port and an industrial shipping center, with limestone quarries and c...