← Back to search

Meaning of salt of sorrel | Babel Free

Noun CEFR C1

Definitions

Acid potassium oxalate, or potassium quadroxalate, used as a solvent for ink stains.

obsolete, uncountable

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

salt of tartar salt of the earth salt of tin salt of Venus salt of vitriol salt of wisdom