noun vi·lliaum·ite \vēˈyōˌmīt\

Definition of villiaumite



  1. :  a mineral (NaF) consisting of a sodium fluoride and occurring in small carmine to colorless isometric crystals (specific gravity 2.8)

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of villiaumite

French villiaumite, from Villiaume, 20th century French explorer in Africa + French -ite

Seen and Heard

What made you want to look up villiaumite? Please tell us where you read or heard it (including the quote, if possible).


a brief usually trivial fact

Get Word of the Day daily email!