Colorant (7)
'colorant' is the definition.
(I know that pigment is a type of colorant)
This is all the clue.
(Other definitions for pigment that I've seen before include "Colour or dye" , "become imbued" , "Colouring matter" , "Paint" , "Colouring material" .)
'colorant' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for dye that I've seen before include "Colouring agent" , "Colourant" , "Colorant" , "Soluble substance for staining or colouring" , "Staining material" .)