pigment 
pigment definition
pig·ment (pig′mənt)
noun
- coloring matter, usually in the form of an insoluble powder, mixed with oil, water, etc. to make paints
- any coloring matter in the cells and tissues of plants or animals
Etymology: ME < L pigmentum < base of pingere, to paint
intransitive verb, transitive verb
to take on or cause to take on pigment; color or become colored
also pigmentize pig′·ment·ize′
Related Forms:
- pigmentary pig′·men·tar′y (-mən ter′ē) adjective
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