| ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
Etymology: all- + chromatic
1. : accidentally rather than inherently pigmented : variable in color — used of certain minerals that are without pigmentation when pure
2. : having or relating to photoelectric properties due to the presence of an impurity or as a result of irradiation