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Meaning of argol

ar•gol

Pronunciation: (är'gul), [key]
— n.
  1. a crude tartar, produced as a by-product in casks by the fermentation of wine grapes, used as a mordant in dyeing, in the manufacture of tartaric acid, and in fertilizers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.