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: a crystalline salt KNaC4H4O6·4H2O that is a mild purgative
Word History
Etymology
La Rochelle, France
First Known Use
1712, in the meaning defined above
Dictionary Entries Near Rochelle salt
Cite this Entry
“Rochelle salt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rochelle%20salt. Accessed 5 Nov. 2024.
Kids Definition
Rochelle salt
noun
Ro·chelle salt
rō-ˌshel-
: a salt of potassium and sodium that is used as a laxative
Medical Definition
Rochelle salt
noun
Ro·chelle salt
rō-ˈshel-
: a crystalline salt C4H4KNaO6·4H2O that is a mild purgative
called also potassium sodium tartrate, Seignette salt, sodium potassium tartrate
More from Merriam-Webster on Rochelle salt
Britannica.com: Encyclopedia article about Rochelle salt
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