A nodule of plant material permeated with minerals found mostly in bituminous and anthracite coal seams

A black, viscous tar made by the destructive distillation of coal (to make coke and town gas); it contains a great number of compounds including hydrocarbons and phenols; used in the preparation of medicated soap and shampoo, and industrially for the manufacture of very many products.

Of an intensely black colour, like that of coal.

A black colour, like that of coal; charcoal.

An inferior kind of cannel coal from Scottish collieries, having a slaty structure.

(US) small-sized anthracite coal

(dated) A kind of coal that easily splits into cubical fragments.

plural of coal burner

A mechanical device that burns pulverized coal to produce a flame. / (derogatory, offensive, ethnic slur) A non-black person, usually a woman, who has sexual relationships with black people, usually men.

(US, slang) To emit sooty exhaust fumes from a modified (diesel) engine (fad among rural American truck drivers).