apophyllite

noun

apo·​phyl·​lite ˌa-pə-ˈfi-ˌlīt How to pronounce apophyllite (audio) ə-ˈpä-fə-ˌlīt How to pronounce apophyllite (audio)
: a mineral composed of a hydrous silicate of potassium, calcium, and fluorine that is related to the zeolites and is usually found in transparent square prisms or white or grayish masses

Word History

Etymology

French, from apo- + Greek phyllon leaf — more at blade

First Known Use

circa 1807, in the meaning defined above

Time Traveler
The first known use of apophyllite was circa 1807

Dictionary Entries Near apophyllite

apophyge

apophyllite

apophyllous

See More Nearby Entries 

Cite this Entry

“Apophyllite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/apophyllite. Accessed 26 Nov. 2024.

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Britannica.com: Encyclopedia article about apophyllite

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