epidote

noun
ep·i·dote | \ˈe-pə-ˌdōt \

Definition of epidote 

: a yellowish-green mineral Ca2(Al,Fe)3Si3O12OH usually occurring in grains or columnar masses and sometimes used as a gemstone

Examples of epidote in a Sentence

Recent Examples on the Web

That’s the iron silicate minerals epidote and chlorite. Peter Hessler, National Geographic, "World's First Geologic Map Was Far Ahead of Its Time," 25 July 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'epidote.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of epidote

1808, in the meaning defined above

History and Etymology for epidote

French épidote, from Greek epididonai to give in addition, from epi- + didonai to give — more at date

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Time Traveler for epidote

The first known use of epidote was in 1808

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More from Merriam-Webster on epidote

Britannica.com: Encyclopedia article about epidote

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