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coal' tar"




a thick, black, viscid liquid formed during the distillation of coal, that upon further distillation yields compounds, as benzene, anthracene, and phenol, from which are derived a large number of dyes, drugs, and other synthetic compounds, and that yields a final residuum (coal'-tar pitch"), which is used chiefly in making pavements.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

coal seamcoal-tar creosote
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