Also found in: Thesaurus, Medical, Legal, Encyclopedia.
a. Bitingly sarcastic: mordant satire.
b. Incisive and trenchant: an inquisitor's mordant questioning.
2. Bitingly painful.
3. Serving to fix colors in dyeing.
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.]
the condition or quality of being biting or caustic, as humor, speech, etc. See also speech. — mordant, adj.See also: Humor
the property of acting as a fixative in dyeing. — mordant, n. , adj.See also: Processes
the property of acting as a flxative in dyeing. — mordant, n., adj.See also: Color
the quality or state of being sarcastic or caustic. — mordant, adj.See also: Attitudes
the quality or state of being sarcastic or caustic. — mordant, adj.See also: Moods