The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]