| an organism that is not adapted to prevailing conditions or producing offspring that maintain its contribution of genes to the next generation |
| the cell produced by the union of two gametes before it undergoes cleavage or cell division |
pigment pig·ment (pĭg'mənt)
n.
A substance used as coloring.
Dry coloring matter, usually an insoluble powder to be mixed with water, oil, or another base to produce paint and similar products.
A substance that produces a characteristic color in tissue.
A medicinal preparation applied to the skin like paint.
pigment (pĭg'mənt) Pronunciation Key
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