Definition of coal

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Coal (n.) 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..

Lern More About Coal

Unite :: Unite (v. i.) To become one; to be cemented or consolidated; to combine, as by adhesion or mixture; to coalesce; to grow together..
Rubidine :: Rubidine (n.) A nitrogenous base homologous with pyridine, obtained from coal tar as an oily liquid, C11H17N; also, any one of the group od metameric compounds of which rubidine is the type..
Colliery :: Colliery (n.) The coal trade.
Billard :: Billard (n.) An English fish, allied to the cod; the coalfish..
Cat :: Cat (n.) A strong vessel with a narrow stern, projecting quarters, and deep waist. It is employed in the coal and timber trade..
Win :: Win (a.) To extract, as ore or coal..
Float :: Float (v. i.) A coal cart.
Output :: Output (n.) The amount of coal or ore put out from one or more mines, or the quantity of material produced by, or turned out from, one or more furnaces or mills, in a given time..
Anthracomancy :: Anthracomancy (n.) Divination by inspecting a burning coal.
Gasoline :: Gasoline (n.) A highly volatile mixture of fluid hydrocarbons, obtained from petroleum, as also by the distillation of bituminous coal. It is used in making air gas, and in giving illuminating power to water gas. See Carburetor..
Diadelphous :: Diadelphous (a.) Of or pertaining to the class Diadelphia; having the stamens united into two bodies by their filaments (said of a plant or flower); grouped into two bundles or sets by coalescence of the filaments (said of stamens).
Coalition :: Coalition (n.) The act of coalescing; union into a body or mass, as of separate bodies or parts; as, a coalition of atoms..
Cementation :: Cementation (n.) A process which consists in surrounding a solid body with the powder of other substances, and heating the whole to a degree not sufficient to cause fusion, the physical properties of the body being changed by chemical combination with powder; thus iron becomes steel by cementation with charcoal, and green glass becomes porcelain by cementation with sand..
Chark :: Chark (v. t.) To burn to a coal; to char.
Xylanthrax :: Xylanthrax (n.) Wood coal, or charcoal; -- so called in distinction from mineral coal..
Clump :: Clump (n.) The compressed clay of coal strata.
Sigillaria :: Sigillaria (n.) A genus of fossil trees principally found in the coal formation; -- so named from the seallike leaf scars in vertical rows on the surface.
Union :: Union (n.) The act of uniting or joining two or more things into one, or the state of being united or joined; junction; coalition; combination..
Cannel Coal :: Cannel coal () A kind of mineral coal of a black color, sufficiently hard and solid to be cut and polished. It burns readily, with a clear, yellow flame, and on this account has been used as a substitute for candles..
Coalpit :: Coalpit (n.) A pit where coal is dug.
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