mordant
UK /ˈmɔːdn̩t/ · US /ˈmoɹd(ə)nt/ adjective, noun, verb
Forms mordants mordanting mordanted
- adjective Having or showing a sharp or critical quality.
- adjective Serving to fix a dye to a fiber.
- 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.
- noun Any corrosive substance used in etching.
- noun A glutinous size used as a ground for gilding, to make the gold leaf adhere.
- verb (transitive) To subject to the action of, or imbue with, a mordant. “Mordant these goods for dyeing.”
Synonyms
biting caustic keen sarcastic severe etchant black grim corrosive erosive vitriolic
Etymology
From French mordant, from Latin mordeō. Doublet of mordent.
Webster’s 1913
- adjective Biting; caustic; sarcastic; keen; severe.
- adjective Serving to fix colors.
- noun Any corroding substance used in etching.
- noun 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.
Etymology [F., p.pr. of mordere to bite; L. mordere. See Morsel.]
Etymology [F., originally, biting.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “mordant”, CC BY-SA 4.0. Details