Definition of "Tincture" :

noun: (pharmacology) a medicine consisting of an extract in an alcohol solution

noun: a quality of a given color that differs slightly from another color

noun: an indication that something has been present

"A tincture of condescension."

noun: a substance that colors or dyes

verb: stain or tinge with a slight amount of a color

"The sky was tinctured red."

verb: fill, as with a certain quality

"The heavy traffic tinctures the air with carbon monoxide."