rochelle-salt

Rochelle salt

noun Chemistry, Pharmacology.
a colorless or white, water-soluble solid, KNaC 4 H 4 O 6 ⋅4H 2 O, used in silvering mirrors, in the manufacture of Seidlitz powders and baking powder, and in medicine as a laxative.
Also called potassium sodium tartrate.


Origin:
1745–55; after La Rochelle

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To rochelle-salt
Collins
World English Dictionary
Rochelle salt
 
n
a white crystalline double salt, sodium potassium tartrate, used in Seidlitz powder. Formula: KNaC4H4O6.4H2O
 
[C18: named after La Rochelle, French port]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

Rochelle salt Ro·chelle salt (rə-shěl', rō-)
n.
See potassium sodium tartrate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature