| a colorless or white, water-soluble solid, KNaC4H4O6·4H2O, used in silvering mirrors, in the manufacture of Seidlitz powders and baking powder, and in medicine as a laxative. |
| potassium sodium tartrate n. A colorless efflorescent crystalline compound, KNaC4H4O6·4H2O, used in making mirrors, in electronics, and as a laxative. Also called Rochelle salt. |
potassium sodium tartrate n.
A colorless efflorescent crystalline compound used as a laxative. Also called Rochelle salt, Seignette's salt.
Rochelle salt Ro·chelle salt (rə-shěl', rō-)
n.
See potassium sodium tartrate.