Any substance used to facilitate the fixing of a dye to a fibre; usually a metallic compound which reacts with the dye using chelation. / Any corrosive substance used in etching.

(transitive) To subject to the action of, or imbue with, a mordant.

Having or showing a sharp or critical quality / Serving to fix a dye to a fibre.

plural of mordant

present participle of mordant

The use of mordant to fix a dye to a fibre.

simple past tense and past participle of mordant

plural of mordanting

adjective dye

A mordant that contains many tannins used for cotton dyeing in antiquity.