- coloration, especially of the skin.
- Biology. coloration with or deposition of pigment.
- coloration in plants, animals, or man caused by the presence of pigments
- the deposition of pigment in animals, plants, or man
n.1866, from pigment + -ation. Perhaps modeled on French. n.
- Coloration of tissues by pigment.
- Deposition of pigment by cells.