dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)(noun.substance)
source: wordnet30
any substance whose presence in plant or animal tissues produces a characteristic color(noun.substance)
source: wordnet30
a substance used as a coating to protect or decorate a surface (especially a mixture of pigment suspended in a liquid); dries to form a hard coating(noun.artifact)
Example: Artists use `paint' and `pigment' interchangeably.
Any material from which a dye, a paint, or the like, may be prepared; particularly, the refined and purified coloring matter ready for mixing with an appropriate vehicle.(noun)
source: webster1913
verb (v)
acquire pigment; become colored or imbued(verb.change)