Breadcrumb Home > Dictionary > Index R Rochelle salt: Meaning and Definition of Find definitions for: Rochelle' salt" Pronunciation: [key] — Chem., Pharm. Chem.,Pharm. a colorless or white, water-soluble solid, KNaCHO&multiplydot;4HO, used in silvering mirrors, in the manufacture of Seidlitz powders and baking powder, and in medicine as a laxative. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rochelle powders roche moutonnée TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: pernicious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language