Coal Coal (k[=o]l), 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. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

{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 {Brown 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}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • Anthracite — (Greek Ανθρακίτης, literally a type of coal , from Anthrax [Άνθραξ] , coal) is a hard, compact variety of mineral coal that has a high lustre. It has the highest carbon count and contains the fewest impurities of all coals, despite its lower… …   Wikipedia

  • anthracite — [ ɑ̃trasit ] n. m. • 1803; a désigné depuis le XVIe diverses roches; du gr. anthrax, akos « charbon » ♦ Charbon (houille) d une variété très pure, donnant peu de cendres lors de sa combustion lente. Qui contient de l anthracite (anthraciteux,… …   Encyclopédie Universelle

  • Anthracite — An thra*cite, n. [L. anthracites a kind of bloodstone; fr. Gr. ? like coals, fr. ?, ?, coal or charcoal. Cf. {Anthrax}.] A hard, compact variety of mineral coal, of high luster, differing from bituminous coal in containing little or no bitumen,… …   The Collaborative International Dictionary of English

  • anthracite — (n.) non bituminous coal, 1812, earlier (c.1600) a type of ruby like gem described by Pliny, from L. anthracites bloodstone, semi precious gem, from Gk. anthrakites coal like, from anthrax (gen. anthrakos) live coal (see ANTHRAX (Cf. anthrax)).… …   Etymology dictionary

  • anthracite — ► NOUN ▪ hard coal that burns with little flame and smoke. ORIGIN Greek anthrakit s, from anthrax coal …   English terms dictionary

  • anthracite — [an′thrə sīt΄] n. [Gr anthrakitis, kind of coal < anthrax, coal] a shiny black, hard, metamorphic coal that contains a low percentage of volatile matter and burns with a smokeless flame: also called hard coal: see BITUMINOUS COAL anthracitic… …   English World dictionary

  • Anthracite — Pour les articles homonymes, voir Anthracite (homonymie). L anthracite (du grec anthrax, Άνθραξ, charbon) est une roche sédimentaire d origine organique. C est une variété de charbon grise, noirâtre et brillante extraite des mines. Il contient 92 …   Wikipédia en Français

  • anthracite — anthracitic /an threuh sit ik/, anthracitous /an threuh suy teuhs/, adj. /an threuh suyt /, n. a mineral coal containing little of the volatile hydrocarbons and burning almost without flame; hard coal. Also called anthracite coal. [1810 15; prob …   Universalium

  • Anthracite —   The highest rank of coal; used primarily for residential and commercial space heating. It is a hard, brittle, and black lustrous coal, often referred to as hard coal, containing a high percentage of fixed carbon and a low percentage of volatile …   Energy terms

  • anthracite — antracitas statusas T sritis Energetika apibrėžtis Juodos, dažniausiai pilko atspalvio, metalinio blizgesio degiosios iškasamosios akmens anglys. Tai labiausiai suanglėjusios akmens anglys. Naudojamosios masės sudėtis: (93–97) % anglies, (1–3) %… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”