cornwallite

noun corn·wall·ite \ˈkȯrnˌwȯˌlīt, -wəˌl-\

Definition of cornwallite

plural

-s

  1. :  a mineral consisting of a basic copper arsenate Cu5(AsO4)2(OH)4.H2O resembling malachite

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 cornwallite

German cornwallit, from Cornwall, former county in southwest England, its locality + German -it -ite


Seen and Heard

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

WORD OF THE DAY

a brief usually trivial fact

Get Word of the Day daily email!