Definitions for melaninˈmɛl ə nɪn
Random House Webster's College Dictionary
mel•a•ninˈmɛl ə nɪn(n.)
any of a class of insoluble pigments that are found in all forms of animal life and account for the dark color of skin, hair, fur, scales, and feathers.
Origin of melanin:
1835–45; < Gk melan-, s. of mélās black +-in1
insoluble pigments that account for the color of e.g. skin and scales and feathers
Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.
a black pigment found in the pigment-bearing cells of the skin (particularly in the skin of the negro), in the epithelial cells of the external layer of the retina (then called fuscin), in the outer layer of the choroid, and elsewhere. It is supposed to be derived from the decomposition of hemoglobin