Rochelle
Rochelle , noun
A seaport town in France.
Collocations (2)
Rochelle powders , Same as Seidlitz powders.
Rochelle salt (Chemistry) , 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.