Any normal or abnormal coloring matter in plants, animals, or micro-organisms.
A colorant.
A substance which gives colour to part of the body such as blood, the skin or hair.
(In pharmacy) a paint.
A substance that gives color to other substances; e.g., to the eyes and skin.
Your natural hair color. Everybody has either more red pigment or more yellow pigment in her hair. The more red pigment, the darker your natural hue; the more yellow pigment, the lighter your natural hue.
Substance giving color, including blood pigments (e.g., hemoglobin), retinal pigments (e.g., rhodopsin), and melanin, found in the skin and iris of the eye.
A substance giving color. Physiologically important pigments include the blood pigments (especially hemoglobin), bile pigments, and retinal pigment. The pigment melanin occurs in the skin and in the iris of the eye. Important plant pigments include chlorophyll and the carotenoids.
The term applied to the colouring matter of various secretions, blood, etc.; also to any medicinal preparation of thick consistency intended for painting on the skin or mucous membranes.