some of a small grouping of naturally occurring dark pigments, particularly the pigment within epidermis, locks, fur, and feathers.
any one of a small grouping of naturally occurring dark pigments, especially the pigment found in epidermis, hair, fur, and feathers.
The black pigment of the hair, choroid, retina, and epidermis of colored races; also, the dark pigment seen in melanæmia and in melanosarcoma and melanocarcinoma. The pigments in these cases may, however, be different.
insoluble pigments that take into account colour of e.g. skin and machines and feathers