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coal gas |
a gas used for lighting and heating that is produced by the distillation of bituminous coal. [1/2 definitions] |
coal oil |
any fuel oil produced by distillation of bituminous coal. |
coal tar |
a thick black liquid formed by the distillation of bituminous coal, used as a raw material in the creation of dyes, drugs, plastics, and paints. |
soft coal |
see "bituminous coal." |
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