Coal tar

[Sarah]

A thick, black, tarry liquid, obtained by the distillation ofbituminous coal in the manufacture of illuminating gas; used formaking printer's ink, black varnish, etc. It is a complex mixturefrom which many substances have been obtained, especiallyhydrocarbons of the benzene or aromatic series.

[Becky]

a sticky, black substance, made from coal, that is used to make various chemical products

[GrompelFem]

a tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds