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Definition of Mordant


  1. Biting; caustic; sarcastic; keen; severe.
  2. Serving to fix colors.
  3. Any corroding substance used in etching.
  4. 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.
  5. Any sticky matter by which the gold leaf is made to adhere.
  6. To subject to the action of, or imbue with, a mordant; as, to mordant goods for dyeing.

Mordant Translations

mordant in Italian is mordente
mordant in Spanish is acre, mordaz
mordant in Swedish is sarkastisk, vass