Definition of Coal. Meaning of Coal. Synonyms of Coal

Here you will find one or more explanations in English for the word Coal. Also in the bottom left of the page several parts of wikipedia pages related to the word Coal and, of course, Coal synonyms and on the right images related to the word Coal.

Definition of Coal

Coal
Coal Coal, n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. Kiln, Collier.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or other combustible substance; charcoal. 2. (Min.) A black, or brownish black, solid, combustible substance, dug from beds or veins in the earth to be used for fuel, and consisting, like charcoal, mainly of carbon, but more compact, and often affording, when heated, a large amount of volatile matter. Note: This word is often used adjectively, or as the first part of self-explaining compounds; as, coal-black; coal formation; coal scuttle; coal ship. etc. Note: In England the plural coals is used, for the broken mineral coal burned in grates, etc.; as, to put coals on the fire. In the United States the singular in a collective sense is the customary usage; as, a hod of coal. Age of coal plants. See Age of Acrogens, under Acrogen. Anthracite or Glance coal. See Anthracite. Bituminous coal. See under Bituminous. Blind coal. See under Blind. Brown coal, or Lignite. See Lignite. Caking coal, a bituminous coal, which softens and becomes pasty or semi-viscid when heated. On increasing the heat, the volatile products are driven off, and a coherent, grayish black, cellular mass of coke is left. Cannel coal, a very compact bituminous coal, of fine texture and dull luster. See Cannel coal. Coal bed (Geol.), a layer or stratum of mineral coal. Coal breaker, a structure including machines and machinery adapted for crushing, cleansing, and assorting coal. Coal field (Geol.), a region in which deposits of coal occur. Such regions have often a basinlike structure, and are hence called coal basins. See Basin. Coal gas, a variety of carbureted hydrogen, procured from bituminous coal, used in lighting streets, houses, etc., and for cooking and heating. Coal heaver, a man employed in carrying coal, and esp. in putting it in, and discharging it from, ships. Coal measures. (Geol.) (a) Strata of coal with the attendant rocks. (b) A subdivision of the carboniferous formation, between the millstone grit below and the Permian formation above, and including nearly all the workable coal beds of the world. Coal oil, a general name for mineral oils; petroleum. Coal plant (Geol.), one of the remains or impressions of plants found in the strata of the coal formation. Coal tar. See in the Vocabulary. To haul over the coals, to call to account; to scold or censure. [Colloq.] Wood coal. See Lignite.
Coal
Coal Coal, v. t. [imp. & p. p. Coaled; p. pr. & vb. n. Coaling.] 1. To burn to charcoal; to char. [R.] Charcoal of roots, coaled into great pieces. --Bacon. 2. To mark or delineate with charcoal. --Camden. 3. To supply with coal; as, to coal a steamer.
Coal
Coal Coal, v. i. To take in coal; as, the steamer coaled at Southampton.

Meaning of Coal from wikipedia

- Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of...
- Coal mining is the process of extracting coal from the ground or from a mine. Coal is valued for its energy content and since the 1880s has been widely...
- The coal tit (Periparus ater), is a small p****erine bird in the tit family, Paridae. It is a widespread and common resident breeder in forests throughout...
- Coal Cr**** may refer to: Coal Cr****, Queensland, a locality in the Somerset Region Coal Cr****, Victoria, a town Coal Cr**** (British Columbia), a cr****...
- up coaling in Wiktionary, the free dictionary. Coaling can refer to: Coaling, Alabama, a town in Tuscaloosa County, Alabama, United States Coaling Island...
- Metallurgical coal or coking coal is a grade of coal that can be used to produce good-quality coke. Coke is an essential fuel and reactant in the blast...
- A coal-fired power station or coal power plant is a thermal power station which burns coal to generate electricity. Worldwide there are about 2,500 coal-fired...
- The British Coal Corporation was a nationalised corporation responsible for the mining of coal in the United Kingdom from 1987 until it was effectively...
- Coal oil is a shale oil obtained from the destructive distillation of cannel coal, mineral wax, or bituminous shale, once used widely for illumination...
- Rolling coal (also spelled rollin' coal) is the practice of modifying a diesel engine to deliberately emit large amounts of black or grey diesel exhaust...