roscoelite

noun

ros·​coe·​lite
ˈrä(ˌ)skōˌlīt
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

Etymology

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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near roscoelite

Cite this Entry

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!