polydymite

noun po·lyd·y·mite \pəˈlidəˌmīt\

Definition of polydymite

plural

-s

  1. :  a mineral Ni4S5 consisting of a nickel sulfide that is isomorphous with linnaeite, siegenite, carrollite, and violarite

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 polydymite

German polydymit, from poly- + dym- (from Greek didymos twin) + -it -ite — more at -dymus


Seen and Heard

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

WORD OF THE DAY

a rounded knoll or a ridge of ice

Get Word of the Day daily email!