What is "pyrolignic"

Pyroligneous \Pyr`o*lig"ne*ous\, Pyrolignic \Pyr`o*lig"nic\, a. [Pyro-+ L. lignum wood: cf. F. pyroligneux.] (Old Chem.) Pertaining to, or designating, the acid liquid obtained in the distillation of wood, consisting essentially of impure acetic acid.

a. produced from wood by the action of heat

adj. of a substance produced by the effect of heat on wood, especially by destructive distillation [syn: pyroligneous]