Any abnormality in the formation or distribution of pigment, especially in the skin; usually applied to an abnormal reduction in pigmentation (depigmentation). ... (05 Mar 2000) ... 
(dis-pig″mәn-ta´shәn) dyschromia.
Type: Term Pronunciation: dis′pig-men-tā′shŭn Definitions: 1. Any abnormality in the formation or distribution of pigment, especially in the skin; usually applied to an abnormal reduction in pigmentation (depigmentation).
dyspigmentation An abnormality of the skin or hair pigment (natural substance in plant or animal tissue that gives it its color).