The story
So called because found in the sorrel plant.
Etymology from Wiktionary, CC BY-SA 4.0.
salt of sorrel
Today it means: Acid potassium oxalate, or potassium quadroxalate, used as a solvent for ink stains. Full definition →
Today it means: Acid potassium oxalate, or potassium quadroxalate, used as a solvent for ink stains. Full definition →
So called because found in the sorrel plant.
Etymology from Wiktionary, CC BY-SA 4.0.