What does "pigment" mean?

Pigment: (Physiol.) Any one of the colored substances found in animal and vegetable tissues and fluids, as bilirubin, urobilin, chlorophyll, etc.

Additional senses

  1. 2.Wine flavored with species and honey. Sir W. Scott. Pigment cell (Physiol.), a small cell containing coloring matter, as the pigmented epithelial cells of the choroid and iris, or the pigmented connective tissue cells in the skin of fishes, reptiles, etc.

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