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carbide

(Encyclopedia)carbide, any one of a group of compounds that contain carbon and one other element that is either a metal, boron, or silicon. Generally, a carbide is prepared by heating a metal, metal oxide, or metal...

Jiménez, Juan Ramón

(Encyclopedia)Jiménez, Juan Ramón hwän rämōnˈ hēmāˈnāth [key], 1881–1958, Spanish lyric poet, b. Andalusia, studied at the Univ. of Seville. In his youth Jiménez was influenced by the French symbolists...

furnace

(Encyclopedia)furnace, enclosed space for the burning of fuel. There are many kinds of furnaces, the type depending upon the fuel and the use to which the heat produced within it is put. Most familiar are the furna...

blast furnace

(Encyclopedia)CE5 Blast furnace for production of iron blast furnace, structure used chiefly in smelting. The principle involved in this means of extracting metals is that of the reduction of the ores by the ac...

charcoal

(Encyclopedia)charcoal, substance obtained by partial burning or carbonization (destructive distillation) of organic material. It is largely pure carbon. The entry of air during the carbonization process is control...

Incheon

(Encyclopedia)Incheon or Inchon ĭnˈchän, Korean ēnchən [key], city, Gyeonggi (Kyonggi) prov., NW South Korea, on the Yellow Se...

Williams, Roger

(Encyclopedia)Williams, Roger, c.1603–1683, clergyman, advocate of religious freedom, founder of Rhode Island, b. London. A protégé of Sir Edward Coke, he graduated from Pembroke College, Cambridge, in 1627 and...

tar and pitch

(Encyclopedia)tar and pitch, viscous, dark-brown to black substances obtained by the destructive distillation of coal, wood, petroleum, peat, and certain other organic materials. The heating or partial burning of w...

Hull, city, England

(Encyclopedia)Hull, officially Kingston upon Hull, city and unitary authority, NE England, on the north shore of the Humber estuary at the influx of the small Hul...

hartebeest

(Encyclopedia)hartebeest härˈtĭbēstˌ [key], large African antelope, Alcelaphus bucelaphus. The hartebeest resembles a horse with horns. It has a very long face and a small hump between the shoulders; its coat ...