Defn: A rock consisting essentially of pyroxene.
PYROXYLE
Py*rox"yle, n. Etym: [Cf. F. pyroxyle.]
Defn: See Pyroxylic, -yl.
PYROXYLIC
Pyr`ox*yl"ic, a. Etym: [Pyro- + Gr. (Old Chem.)
Defn: Derived from wood by distillation; — formerly used in designating crude wood spirit.
PYROXYLIN
Py*rox"y*lin, n. (Chem.)
Defn: A substance resembling gun cotton in composition and properties, but distinct in that it is more highly nitrified and is soluble in alcohol, ether, etc.; — called also pyroxyle.
PYRRHIC
Pyr"rhic, a. Etym: [L. pyrrhichius, Gr.
1. Of or pertaining to an ancient Greek martial dance. " ye have the pyrrhic dance as yet." Byron.
2. (Pros.)