Rochelle salt[rō s̸hel′]
Rochelle salt definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a colorless crystalline compound, potassium sodium tartrate, KNaCHO·4HO, used as a laxative, in baking powders, and, in electronics, as a piezoelectric material
Origin: after La Rochelle, France, where discovered
Rochelle salt definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
or Ro·chelle saltsnoun
Origin: After (La) Rochelle.
rochelle salt - Medical Definition