One of the mysteries of the English language finally explained.
Tartar obtained from wine fermentation.
- ‘In the casting experiments, three fluxing agents were tested borax, pine resin and a mixture of table salt and burnt argol.’
- ‘Potassium tartrate, the source of this white residue, is sometimes referred to as argol, or lees.’
- ‘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.’
Middle English: from Anglo-Norman French argoile, of unknown origin.
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