Rochelle salt
Rochelle Ro*chelle", n. A seaport town in France. [1913 Webster]

{Rochelle powders}. Same as {Seidlitz powders}.

{Rochelle salt} (Chem.), the double tartrate of sodium and potassium, a white crystalline substance. It has a cooling, saline, slightly bitter taste and is employed as a mild purgative. It was discovered by Seignette, an apothecary of Rochelle, and is called also {Seignete's salt}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Rochelle salt — Salt Salt, n. [AS. sealt; akin to OS. & OFries. salt, D. zout, G. salz, Icel., Sw., & Dan. salt, L. sal, Gr. ?, Russ. sole, Ir. & Gael. salann, W. halen, of unknown origin. Cf. {Sal}, {Salad}, {Salary}, {Saline}, {Sauce}, {Sausage}.] 1. The… …   The Collaborative International Dictionary of English

  • Rochelle-salt — Rochelleˈ salt noun Sodium potassium tartrate, discovered in 1672 by a Rochelle apothecary • • • Main Entry: ↑Rochelle …   Useful english dictionary

  • Rochelle salt — [rō shel′] n. [after La Rochelle, France, where discovered] a colorless crystalline compound, potassium sodium tartrate, KNaC4H4O6·4H2O, used as a laxative, in baking powders, and, in electronics, as a piezoelectric material …   English World dictionary

  • Rochelle salt — noun a double salt used in Seidlitz powder; acts as a cathartic • Syn: ↑Rochelle salts, ↑potassium sodium tartrate • Hypernyms: ↑double salt * * * Rochelle salt, a colorless or white, crystalline compound, potassium sodium tartrate, used as a… …   Useful english dictionary

  • Rochelle salt — Segneto druska statusas T sritis fizika atitikmenys: angl. Rochelle salt; Seignette salt vok. Rochellesalz, n; Seignettesalz, n rus. сегнетова соль, f pranc. sel de Rochelle, m; sel de Seignete, m …   Fizikos terminų žodynas

  • Rochelle salt — Chem., Pharm. a colorless or white, water soluble solid, KNaC4H4O6·4H2O, used in silvering mirrors, in the manufacture of Seidlitz powders and baking powder, and in medicine as a laxative. Also called potassium sodium tartrate. [1745 55; after LA …   Universalium

  • Rochelle salt — noun Etymology: La Rochelle, France Date: 1753 a crystalline salt KNaC4H4O6•4H2O that is a mild purgative …   New Collegiate Dictionary

  • Rochelle salt — Ro•chelle′ salt [[t]rəˈʃɛl, roʊ [/t]] n. chem. pha potassium sodium tartrate: a colorless or white, water soluble solid, KNaC4H4O6∙4H2O, used in silvering mirrors, in electronics, and as an ingredient in baking powder and laxatives • Etymology:… …   From formal English to slang

  • Rochelle salt — Ro·chelle salt rō shel n a crystalline salt C4H4KNaO6·4H2O that is a mild purgative called also potassium sodium tartrate, Seignette salt, sodium potassium tartrate …   Medical dictionary

  • Rochelle salt — noun The double salt potassium sodium tartrate that is used as a cathartic Syn: Seignette salt …   Wiktionary

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