melanism
nounDark coloration of the skin, hair, fur, or feathers because of a high concentration of melanin.
nounIn physiology, an undue development of coloring material in the skin and its appendages: the opposite of
An undue development of dark-colored pigment in the skin or its appendages; — the opposite of
A disease; black jaundice. See
The character of having a high degree of pigmentation, as shown in dark skin, eyes, and hair.
nouna condition characterized by abnormal deposits of melanin (especially in the skin)