The Collaborative International Dictionary
Pyroxylic
Pyroxyle \Py*rox"yle\, n. [Cf. F. pyroxyle. See Pyroxylic, -yl.] [1913 Webster] Pyroxylic \Pyr`ox*yl"ic\, a. [Pyro- + Gr. ? wood.] (Old Chem.) Derived from wood by distillation; -- formerly used in designating crude wood spirit.
Wiktionary
pyroxylic
a. (context obsolete chemistry English) created by the destructive distillation of wood