'Seignete's salt' definitions:
Definition of 'Seignete's salt'
From: GCIDE
- Rochelle \Ro*chelle"\, n. A seaport town in France. [1913 Webster]
- Rochelle powders. Same as Seidlitz powders.
- Rochelle salt (Chem.), the double tartrate of sodium and potassium, a white crystalline substance. It has a cooling, saline, slightly bitter taste and is employed as a mild purgative. It was discovered by Seignette, an apothecary of Rochelle, and is called also {Seignete's salt}. [1913 Webster]