eastonite

noun

eas·​ton·​ite
ˈēstəˌnīt
plural -s
often capitalized
: a mineral K2Mg5AlSi5Al3O20(OH)4 consisting of basic silicate of potassium, aluminum, and magnesium and being an end-member of the biotite system

Word History

Etymology

Easton, city in eastern Pennsylvania, its locality + English -ite

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Cite this Entry

“Eastonite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eastonite. Accessed 16 Apr. 2024.

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