Dictionary
potas'sium binox'alate
Chem.
a white, crystalline, hygroscopic, poisonous solid, KHC
2O
4, that is usually hydrated: used chiefly for removing ink stains, cleaning metal and wood, and in photography. Also called
salt of sorrel, sorrel salt, potas'sium ac'id ox'alate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.