pyroxenite: Meaning and Definition of

py•rox•e•nite

Pronunciation: (pī-rok'su-nīt", pu-), [key]
— n. Petrol.
  1. any rock composed essentially, or in large part, of pyroxene of any kind.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.