mutagen.
/ˈmjuːtɪdʒ/, U.S. /ˈmjudɪdʒ/ Winemaking.
The process of muting wine. See mute v.4
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mutage1839
mutism1853
1839 A. Ure Dict. Arts iv. 382 Mutage is a process used in the south of France to arrest the progress of fermentation in the must of the grape.
1988 N.Y. Times (Nexis) 18 Dec. v. 6/1 The winemaker arrests the fermentation while some residual sugar remains in the must. The yeasts are killed by the mutage, by adding a certain amount of pure alcohol.
1994 Oxf. Compan. Wine 653/2 Mutage transforms fermenting must into a vin muté such as a vin de liqueur or a vin doux naturel.
This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).
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n.1839