คำว่า ' mordant ' ( N )
มีความหมายในภาษาไทยว่า สารที่ช่วยให้สีย้อมติดเนื้อผ้าหรือวัสดุอื่น
คำนิยามในภาษาอังกฤษ (definition) :
[a.] Biting; caustic; sarcastic; keen; severe.
[a.] Serving to fix colors.
[n.] Any corroding substance used in etching.
[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.
[n.] Any sticky matter by which the gold leaf is made to adhere.
[v. t.] To subject to the action of, or imbue with, a mordant; as, to mordant goods for dyeing.