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

Phenanthrene :: Phenanthrene (n.) A complex hydrocarbon, C14H10, found in coal tar, and obtained as a white crystalline substance with a bluish fluorescence..
Coalesce :: Coalesce (n.) To unite in one body or product; to combine into one body or community; as, vapors coalesce..
Coalescence :: Coalescence (n.) The act or state of growing together, as similar parts; the act of uniting by natural affinity or attraction; the state of being united; union; concretion..
Measure :: Measure (a.) Beds or strata; as, coal measures; lead measures..
Viridine :: Viridine (n.) A greenish, oily, nitrogenous hydrocarbon, C12H19N7, obtained from coal tar, and probably consisting of a mixture of several metameric compounds which are higher derivatives of the base pyridine..
Coaltit :: Coaltit (n.) A small European titmouse (Parus ater), so named from its black color; -- called also coalmouse and colemouse..
Stretcher :: Stretch (n.) Course; direction; as, the stretch of seams of coal..
Nicking :: Nicking (v. t.) Small coal produced in making the nicking.
Tar :: Tar (n.) A thick, black, viscous liquid obtained by the distillation of wood, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it..
Coal-black :: Coal-black (a.) As black as coal; jet black; very black.
Coalescent :: Coalescent (a.) Growing together; cohering, as in the organic cohesion of similar parts; uniting..
Coal :: Coal (v. t.) To supply with coal; as, to coal a steamer..
Pica :: Pica (n.) A vitiated appetite that craves what is unfit for food, as chalk, ashes, coal, etc.; chthonophagia..
Spider :: Spider (n.) An iron pan with a long handle, used as a kitchen utensil in frying food. Originally, it had long legs, and was used over coals on the hearth..
Collidine :: Collidine (n.) One of a class of organic bases, C8H11N, usually pungent oily liquids, belonging to the pyridine series, and obtained from bone oil, coal tar, naphtha, and certain alkaloids..
Combine :: Combine (v. i.) To form a union; to agree; to coalesce; to confederate.
Cormorant :: Cormorant (n.) Any species of Phalacrocorax, a genus of sea birds having a sac under the beak; the shag. Cormorants devour fish voraciously, and have become the emblem of gluttony. They are generally black, and hence are called sea ravens, and coalgeese..
Conglobe :: Conglobe (v. i.) To collect, unite, or coalesce in a round mass..
Claggy :: Claggy (a.) Adhesive; -- said of a roof in a mine to which coal clings.
Distillation :: Distillation (n.) The separation of the volatile parts of a substance from the more fixed; specifically, the operation of driving off gas or vapor from volatile liquids or solids, by heat in a retort or still, and the condensation of the products as far as possible by a cool receiver, alembic, or condenser; rectification; vaporization; condensation; as, the distillation of illuminating gas and coal, of alcohol from sour mash, or of boric acid in steam..
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