• synonyms


[per-i-doh, -dot]
noun Mineralogy.
  1. a green transparent variety of olivine, used as a gem.
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Origin of peridot

1300–50; < French péridot; replacing Middle English peritot < Middle French
Related formsper·i·dot·ic [per-i-dot-ik, -doh-tik] /ˌpɛr ɪˈdɒt ɪk, -ˈdoʊ tɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for peridot


  1. a pale green transparent variety of the olivine chrysolite, used as a gemstone
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Word Origin

C14: from Old French peritot, of unknown origin
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

Word Origin and History for peridot


type of gemstone, mid-14c. (mid-13c. in Anglo-Latin), from Old French peritot (early 13c., Modern French péridot), of unknown origin.

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Online Etymology Dictionary, © 2010 Douglas Harper