idocrase

noun
ido·​crase | \ ˈī-də-ˌkrās How to pronounce idocrase (audio) , ˈi-, -ˌkrāz \

Definition of idocrase

: a mineral that is a complex silicate especially of calcium, magnesium, iron, and aluminum

First Known Use of idocrase

1804, in the meaning defined above

History and Etymology for idocrase

French, from Greek eidos form + krasis mixture, from kerannynai to mix — more at crater

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The first known use of idocrase was in 1804

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Cite this Entry

“Idocrase.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/idocrase. Accessed 11 December 2019.

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Britannica.com: Encyclopedia article about idocrase

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