Nouns

(n)pigmentdry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
(n)pigmentany substance whose presence in plant or animal tissues produces a characteristic color
(n)paint, pigmenta 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“artists use ‘paint’ and ‘pigment’ interchangeably”

Verbs

(v)pigmentacquire pigment; become colored or imbued
(v)pigmentcolor or dye with a pigment“pigment a photograph”