Rochelle powders

Rochelle powders
Seidlitz Seid"litz, a. Of or pertaining to Seidlitz, a village in Bohemia. [Written also {Sedlitz}.] [1913 Webster]

{Seidlitz powders}, effervescing salts, consisting of two separate powders, one of which contains forty grains of sodium bicarbonate mixed with two drachms of Rochell? salt (tartrate of potassium and sodium) and the other contains thirty-five grains of tartaric acid. The powders are mixed in water, and drunk while effervescing, as a mild cathartic; -- so called from the resemblance to the natural water of Seidlitz. Called also {Rochelle powders}.

{Seidlitz water}, a natural water from Seidlitz, containing magnesium, sodium, calcium, and potassium sulphates, with calcium carbonate and a little magnesium chloride. It is used as an aperient. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Rochelle powders — 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,… …   The Collaborative International Dictionary of English

  • rochelle powders — (ˈ)rō|shel noun plural Usage: usually capitalized R Etymology: from La Rochelle, city in western France : seidlitz powders * * * (not in technical use). See Seidlitz powders. [after LA ROCHELLE] …   Useful english dictionary

  • Rochelle powders — noun plural see seidlitz powders * * * (not in technical use). See Seidlitz powders. [after LA ROCHELLE] …   Useful english dictionary

  • Rochelle powders — (not in technical use). See Seidlitz powders. [after LA ROCHELLE] * * * …   Universalium

  • 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 …   The Collaborative International Dictionary of English

  • 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,… …   The Collaborative International Dictionary of English

  • 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 — 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 powder — noun an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic • Syn: ↑Seidlitz powder, ↑Seidlitz powders • Hypernyms: ↑purgative, ↑cathartic, ↑physic, ↑aperient …   Useful english dictionary

  • Seidlitz powders — noun an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic • Syn: ↑Seidlitz powder, ↑Rochelle powder • Hypernyms: ↑purgative, ↑cathartic, ↑physic, ↑aperient * * * ˈsedlə̇ …   Useful english dictionary

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