n. & v.
--n.
1. colouring-matter used as paint or dye, usu. as an insoluble suspension.
2 the natural colouring-matter of animal or plant tissue, e.g. chlorophyll, haemoglobin.
--v.tr. colour with or as if with pigment.
Derivatives:
pigmental adj. pigmentary adj.
Etymology: ME f. L pigmentum f. pingere paint