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peridot

[ per-i-doh, -dot ]
/ ˈpɛr ɪˌdoʊ, -ˌdɒt /
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noun Mineralogy.

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
per·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. 2021

British Dictionary definitions for peridot

peridot
/ (ˈpɛrɪˌdɒt) /

noun

a pale green transparent variety of the olivine chrysolite, used as a gemstone
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
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