argol
/ˈɑːɡ(ə)l
/noun [mass noun]
Tartar obtained from wine fermentation.Potassium tartrate, the source of this white residue, is sometimes referred to as argol, or lees....
- In the casting experiments, three fluxing agents were tested borax, pine resin and a mixture of table salt and burnt argol.
- In 1853 there was very little argol deposited; but the gross lees of the wine were in great demand, and sold for about 15 shillings per basket.
Origin
Middle English: from Anglo-Norman French argoile, of unknown origin.