'Mordant' definitions:

Definition of 'mordant'

From: WordNet
adjective
Harshly ironic or sinister; "black humor"; "a grim joke"; "grim laughter"; "fun ranging from slapstick clowning ... to savage mordant wit" [syn: black, grim, mordant]
adjective
Of a substance, especially a strong acid; capable of destroying or eating away by chemical action [syn: caustic, corrosive, erosive, vitriolic, mordant]
noun
A substance used to treat leather or other materials before dyeing; aids in dyeing process

Definition of 'Mordant'

From: GCIDE
  • Mordant \Mor"dant\, a. [F., p. pr. of mordere to bite; L. mordere. See Morsel.]
  • 1. Biting; caustic; sarcastic; keen; severe. [1913 Webster]
  • 2. (Dyeing & Calico Printing) Serving to fix colors. [1913 Webster]

Definition of 'Mordant'

From: GCIDE
  • Mordant \Mor"dant\, n. [F., originally, biting.]
  • 1. Any corroding substance used in etching. [1913 Webster]
  • 2. (Dyeing & Calico Printing) 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. [1913 Webster]
  • 3. (Gilding) Any sticky matter by which the gold leaf is made to adhere. [1913 Webster]

Definition of 'Mordant'

From: GCIDE
  • Mordant \Mor"dant\, v. t. [imp. & p. p. Mordanted; p. pr. & vb. n. Mordanting.] To subject to the action of, or imbue with, a mordant; as, to mordant goods for dyeing. [1913 Webster]