a dry insoluble substance, usually pulverized, which when suspended in a liquid vehicle becomes a paint, ink, etc.

a coloring matter or substance.

Biology . any substance whose presence in the tissues or cells of animals or plants colors them.

to color; add pigment to.

to become pigmented; acquire color; develop pigmentation

a poor quality of paper that doesn't pigment well.

noun

colorlessness

noun

colorant , coloring , coloring matter , dye , dyestuff , oil , paint , stain , tincture , tint , color , shade