millisite

noun

mil·​lis·​ite
ˈmilə̇ˌsīt
plural -s
: a mineral (Na,K)CaAl6(PO4)4(OH)9.3H2O consisting of a basic hydrous phosphate of sodium, potassium, calcium, and aluminum

Word History

Etymology

F. T. Millis, 20th century American mineral collector + English -ite

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 millisite

Cite this Entry

“Millisite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millisite. Accessed 21 Apr. 2024.

Love words? Need even more definitions?

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