anorthoclase

noun

an·​or·​tho·​clase
əˈnȯrthəˌklās,
-āz
plural -s
: a feldspar of chiefly sodium potassium aluminum silicate that is closely related to orthoclase but triclinic

Word History

Etymology

International Scientific Vocabulary an- + orthoclase; originally formed as German anorthoklase

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of anorthoclase was in 1888

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Dictionary Entries Near anorthoclase

Cite this Entry

“Anorthoclase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anorthoclase. Accessed 1 Feb. 2023.

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