Definify.com
Webster 1913 Edition
Rochelle
Ro-chelle′
,Noun.
A seaport town in France.
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
.