plural -s
: a mineral (Mn,Mg,Zn)Ca(BO2)2(OH)2, consisting of a basic borate of calcium, manganese, magnesium, and zinc

Word History


George Rowe 20th century American mineralogist

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of roweite was in 1937

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 roweite

Cite this Entry

“Roweite.” Dictionary, Merriam-Webster, Accessed 29 May. 2023.

Love words? Need even more definitions?

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