noun

• Tartar obtained from wine fermentation.

  ‘Potassium tartrate, the source of this white residue, is sometimes referred to as argol, or lees.’

  More example sentences

  • ‘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.’