- a laxative consisting of two powders, tartaric acid and a mixture of sodium bicarbonate and Rochelle salt (sodium potassium tartrate)Also called: Rochelle powder
C19: named after Seidlitz, a village in Bohemia with mineral springs having similar laxative effects
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for seidlitz powder
He handed me out a little flat thing like a seidlitz-powder.The Plattner Story and Others
H. G. Wells
“Devilish good—devilish good,” said the Seidlitz-powder man.The Posthumous Papers of the Pickwick Club, v. 1(of 2)
Seidlitz-powder functions they were called, but the recipients of both blue and white went for all the disturbing elements.The Awful Australian
- A mixture of tartaric acid, sodium bicarbonate, and potassium sodium tartrate, used as a mild cathartic by dissolving in water and drinking.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.