noun le·o·nite \ˈlēəˌnīt\

Definition of leonite



  1. :  a mineral K2Mg(SO4)2.4H2O consisting of a hydrous magnesium potassium sulfate occurring in monoclinic crystals

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 leonite

German leonit, from Leo Strippelmann 19th century German director of salt works + connective -n- + German -it -ite

Seen and Heard

What made you want to look up leonite? 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!