Pharmacology . a solution of alcohol or of alcohol and water, containing animal, vegetable, or chemical drugs.

a slight infusion, as of some element or quality

A tincture of education had softened his rude manners.

a trace; a smack or smattering; tinge

a tincture of irony.

Heraldry . any of the colors, metals, or furs used for the fields, charges, etc., of an escutcheon or achievement of arms.

a dye or pigment.

to impart a tint or color to; tinge.

to imbue or infuse with something.

noun

colorant , coloring , dye , dyestuff , pigment , stain , cast , color , elixir , extract , imbrue , imbue , shade , taint , tinge , tint , trace , vestige

verb

dye , stain , tint