noun irid·io–platinum \ī¦ridē(ˌ)ō, ə̇¦r-+\

Definition of iridio–platinum

  1. :  a hard alloy of iridium and platinum

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 iridio–platinum

iridio- (from New Latin iridium) + platinum

Seen and Heard

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


to cast off or become cast off

Get Word of the Day daily email!