Meaning of peridotite

per•i•do•tite

Pronunciation: (per'i-dō"tīt, pu-rid'u-tīt"), [key]
— n.
  1. a coarsely granular igneous rock composed chiefly of olivine with an admixture of various other minerals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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