The Collaborative International Dictionary
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.
Wiktionary
a. Produced from wood by the action of heat, especially by destructive distillation.
WordNet
adj. of a substance produced by the effect of heat on wood, especially by destructive distillation [syn: pyrolignic]
Wikipedia
Usage examples of "pyroligneous".
Tar yields pyroligneous acid, oil of tar, and pitch: as well as guiacol and creasote.
Fremy -- Resins -- Barks -- Tan -- Application of Cork -- The Application of Wood to Art and Dyeing -- Different Applications of Wood -- Hard Wood -- Distillation of Wood -- Pyroligneous Acid -- Oil of Wood -- Distillation of Resins -- Index.
By Monday the tree had vanished and on the pile of rocks where the dredge had deposited it only a few lines of wood fiber remained, surrounded by a dark stain of a pyroligneous character.