noun
- Plural of argal; crude tartar or potassium bitartrate deposited on the inside of wine casks during fermentation.
Usage: technical; chiefly British
Examples
- The winemaker scraped argals from the interior of the barrel.
- Argals accumulate during the fermentation process and must be removed.
- The chemical composition of argals makes them useful in various industrial applications.
- Medieval vintners collected argals as a valuable byproduct of wine production.