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Definition of Rochelle powder
1. Noun. An effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic.
Exact synonyms: Seidlitz Powder, Seidlitz Powders
Generic synonyms: Aperient, Cathartic, Physic, Purgative
Generic synonyms: Aperient, Cathartic, Physic, Purgative