'Pigment' definitions:

Definition of 'pigment'

(from WordNet)
noun
Dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
noun
Any substance whose presence in plant or animal tissues produces a characteristic color
noun
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; "artists use `paint' and `pigment' interchangeably" [syn: paint, pigment]
verb
Acquire pigment; become colored or imbued
verb
Color or dye with a pigment; "pigment a photograph"

Definition of 'Pigment'

From: GCIDE
  • Pigment \Pig"ment\, n. [L. pigmentum, fr. the root of pingere to paint: cf. F. pigment. See Paint, and cf. Pimento, Orpiment.]
  • 1. 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. [1913 Webster]
  • 2. (Physiol.) Any one of the colored substances found in animal and vegetable tissues and fluids, as bilirubin, urobilin, chlorophyll, etc. [1913 Webster]
  • 3. Wine flavored with species and honey. --Sir W. Scott. [1913 Webster]
  • 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. [1913 Webster] Pigmental