Bible Dictionaries
Mordant

Webster's Dictionary

(1):

(n.) Any sticky matter by which the gold leaf is made to adhere.

(2):

(a.) Serving to fix colors.

(3):

(v. t.) To subject to the action of, or imbue with, a mordant; as, to mordant goods for dyeing.

(4):

(a.) Biting; caustic; sarcastic; keen; severe.

(5):

(n.) Any corroding substance used in etching.

(6):

(n.) Any substance, as alum or copperas, which, having a twofold attraction for organic fibers and coloring matter, serves as a bond of union, and thus gives fixity to, or bites in, the dyes.

Bibliography Information
Webster, Noah. Entry for 'Mordant'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​m/mordant.html. 1828.