• synonyms


[pahy-rok-suh-nahyt, puh-]
noun Petrology.
  1. any rock composed essentially, or in large part, of pyroxene of any kind.
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Origin of pyroxenite

First recorded in 1860–65; pyroxene + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pyroxenite

Historical Examples

  • Chromite is a common minor constituent of basic igneous rocks of the peridotite and pyroxenite type.

    The Economic Aspect of Geology

    C. K. Leith

British Dictionary definitions for pyroxenite


  1. a very dark coarse-grained ultrabasic rock consisting entirely of pyroxene minerals
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012