eu·​clase ˈyü-ˌklās How to pronounce euclase (audio)
: a mineral that consists of a brittle silicate of beryllium and aluminum in pale yellow, green, or blue prismatic crystals and is used especially as a gemstone

Word History


French, from eu- (from Latin) + Greek klasis breaking, from klan to break

First Known Use

1804, in the meaning defined above

Time Traveler
The first known use of euclase was in 1804

Dictionary Entries Near euclase

Cite this Entry

“Euclase.” Dictionary, Merriam-Webster, Accessed 1 Feb. 2023.

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