idiochromatic

adjective

id·​io·​chromatic

¦idē(ˌ)ō+

: colored inherently and characteristically : having a distinctive and constant coloration

copper sulfate is an idiochromatic substance

—used especially of minerals compare allochromatic sense 1

Word History

Etymology

International Scientific Vocabulary idio- + chromatic

First Known Use

1849, in the meaning defined above

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