allochromatic

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

adjective

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

Word History and Origins

Origin of allochromatic¹

First recorded in 1875–80; allo- + chromatic