adjective id·io·chromatic \¦idē(ˌ)ō+\

Definition of idiochromatic

  1. :  colored inherently and characteristically :  having a distinctive and constant coloration copper sulfate is an idiochromatic substance —used especially of minerals — compare allochromatic 1

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 idiochromatic

International Scientific Vocabulary idio- + chromatic

First Known Use: 1849

Seen and Heard

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


quaintly unconventional or refined

Get Word of the Day daily email!