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Xylene :: Xylene (n.) Any of a group of three metameric hydrocarbons of the aromatic series, found in coal and wood tar, and so named because found in crude wood spirit. They are colorless, oily, inflammable liquids, C6H4.(CH3)2, being dimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene. Called also xylol..

Anthracene :: Anthracene (n.) A solid hydrocarbon, C6H4.C2H2.C6H4, which accompanies naphthalene in the last stages of the distillation of coal tar. Its chief use is in the artificial production of alizarin..

Coal :: 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..

Clinker :: Clinker (n.) Scoria or vitrified incombustible matter, formed in a grate or furnace where anthracite coal in used; vitrified or burnt matter ejected from a volcano; slag..

Chrysene :: Chrysene (n.) One of the higher aromatic hydrocarbons of coal tar, allied to naphthalene and anthracene. It is a white crystalline substance, C18H12, of strong blue fluorescence, but generally colored yellow by impurities..

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..

Coalesce :: Coalesce (n.) To unite in one body or product; to combine into one body or community; as, vapors coalesce..

Coalesced :: Coalesced (imp. & p. p.) of Coalesc.

Rib :: Rib (n.) Solid coal on the side of a gallery; solid ore in a vein.

Heptane :: Heptane (n.) Any one of several isometric hydrocarbons, C7H16, of the paraffin series (nine are possible, four are known); -- so called because the molecule has seven carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc..

Coaltit :: Coaltit (n.) A small European titmouse (Parus ater), so named from its black color; -- called also coalmouse and colemouse..

Collier :: Collier (n.) A vessel employed in the coal trade.

Bunker :: Bunker (n.) A large bin or similar receptacle; as, a coal bunker..

Putter :: Putter (n.) Specifically, one who pushes the small wagons in a coal mine, and the like..

Coke :: Coke (n.) Mineral coal charred, or depriver of its bitumen, sulphur, or other volatile matter by roasting in a kiln or oven, or by distillation, as in gas works. It is lagerly used where / smokeless fire is required..

Parting :: Parting (n.) A joint or fissure, as in a coal seam..

Conglobe :: Conglobe (v. i.) To collect, unite, or coalesce in a round mass..

Coalitioner :: Coalitioner (n.) A coalitionist.

Asterophyllite :: Asterophyllite (n.) A fossil plant from the coal formations of Europe and America, now regarded as the branchlets and foliage of calamites..

Atrous :: Atrous (a.) Coal-black; very black.

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