ol·​i·​go·​clase ˈä-li-gō-ˌklās How to pronounce oligoclase (audio)
ə-ˈli-gə- How to pronounce oligoclase (audio)
: a mineral of the plagioclase series

Word History


German Oligoklas, from olig- olig- + Greek klasis breaking, from klan to break — more at clast

First Known Use

1832, in the meaning defined above

Time Traveler
The first known use of oligoclase was in 1832

Dictionary Entries Near oligoclase

Cite this Entry

“Oligoclase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oligoclase. Accessed 8 Dec. 2023.

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