plural -s
: a mineral approximately K2(Mg,Fe,V,Al)4(Si,Al)8O20(OH)4 consisting of a brownish mica in minute scales that contains vanadium

Word History


Sir Henry E. Roscoe †1915 English chemist + English -lite

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of roscoelite was in 1876

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Dictionary Entries Near roscoelite

Cite this Entry

“Roscoelite.” Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

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