jefferisite

noun

jef·​fer·​is·​ite
ˈjef(ə)rə̇ˌsīt
plural -s
: a mineral consisting of a vermiculite containing iron, aluminum, and magnesium

Word History

Etymology

William W. Jefferis †1906 American banker + English -ite

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Cite this Entry

“Jefferisite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jefferisite. Accessed 14 Jul. 2024.

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