mordantly


mor·dant

M0419800 (môr′dnt)adj.1. a. Bitingly sarcastic: mordant satire.b. Incisive and trenchant: an inquisitor's mordant questioning.2. Bitingly painful.3. Serving to fix colors in dyeing.n.1. A reagent, such as tannic acid, that fixes dyes to cells, tissues, or textiles or other materials.2. A corrosive substance, such as an acid, used in etching.tr.v. mor·dant·ed, mor·dant·ing, mor·dants To treat with a mordant.
[French, from Old French, present participle of mordre, to bite, from Vulgar Latin *mordere, from Latin mordēre; see mer- in Indo-European roots.]
mor′dan·cy n.mor′dant·ly adv.