noun eu·cai·rite \yüˈkīˌrīt, -kā-\
variants: less commonly


\yüˈkīˌrīt, -kā-\

Definition of eucairite



  1. :  a mineral CuAgSe composed of a grayish metallic-looking copper silver selenide (specific gravity 7.50)

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 eucairite

Swedish eukairit, from Greek eukairos seasonable, opportune (from eu- + kairos time, season) + Swedish -it -ite; from its being found soon after the discovery of selenium

Seen and Heard

What made you want to look up eucairite? 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!