allochromatic

[al-uh-kruh-mat-ik, -kroh-]

adjective

Physical Chemistry. pertaining to or having photochemical properties resulting from an impurity or from exposure to radiation.
Mineralogy. (of a mineral) having no color in itself but bearing colored impurities.

Compare idiochromatic.

Origin of allochromatic

First recorded in 1875–80; allo- + chromatic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018