ep·​i·​dote | \ ˈe-pə-ˌdōt How to pronounce epidote (audio) \

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 Specifically, the multi-heavy mineral prospect consists of abrasives garne and epidote, and zircon, magnetite and gold. Elwood Brehmer, Anchorage Daily News, 7 Nov. 2019 That’s the iron silicate minerals epidote and chlorite. Peter Hessler, National Geographic, 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

Keep scrolling for more

Learn More About epidote

Time Traveler for epidote

Time Traveler

The first known use of epidote was in 1808

See more words from the same year

Statistics for epidote

Cite this Entry

“Epidote.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epidote. Accessed 23 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on epidote

Britannica.com: Encyclopedia article about epidote


Test Your Vocabulary

Return of Name that Color!

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!