noun bay·ley·ite \ˈbā-lē-ˌīt\

Definition of bayleyite



  1. :  a mineral Mg2(UO2)(CO3)3.18H2O consisting of a rare hydrous magnesium uranyl carbonate of yellow color found in Arizona

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 bayleyite

William S. Bayley †1943 American geologist + English -ite

Seen and Heard

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


to criticize severely

Get Word of the Day daily email!