peridotite Hear it!

peridotite definition

peri·do·tite (per′ə dō′tīt′, pə rid′ə tīt′)

noun

any of several coarsegrained, dark igneous rocks consisting mainly of olivine and other ferromagnesian minerals

Etymology: Fr péridotite < péridot, peridot

Related Forms:

  • peridotitic peri·do·titic (per′i dō tit′ik, pə rid′ō-) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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