mordant

  1. Adjective.  biting; caustic; sarcastic; keen; severe.
  2. Noun.  Any substance used to facilitate the fixing of a dye to a fibre; usually a metallic compound which reacts with the dye using chelation.
  3. Verb.  (transitive) To subject to the action of, or imbue with, a mordant.

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This entry was last updated on RefTopia from its source on 3/20/2012.