A thick, black, tarry liquid, obtained by the distillation of bituminous coal in the manufacture of illuminating gas; used for making printer's ink, black varnish, etc. It is a complex mixture from which many substances have been obtained, especially hydrocarbons of the benzene or aromatic series.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). coal tar. Retrieved September 27, 2026, from http://smartdefine.org/coal_tar/definitions/1988460 |
| Chicago | Webster's. 2011. "coal tar" http://smartdefine.org/coal_tar/definitions/1988460 (accessed September 27, 2026). |
| Harvard | Webster's 2011, coal tar, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/coal_tar/definitions/1988460>. |
| MLA | Webster's. "coal tar" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/coal_tar/definitions/1988460> |