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A salt of tartaric acid.

Containing, or derived from, tartar; combined with tartaric acid.

A salt of tartaric acid in which the base replaces but half the acid hydrogen; an acid tartrate, as cream of tartar.

A salt of pyrotartaric acid.

, and is used very largely as an ingredient of baking powders; -- called also potassium bitartrate, acid potassium tartrate, etc.

France. 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 Se…

um carbonate; -- so called because formerly made by heating cream of tartar, or potassium tartrate. [Obs.] -- Salt of Venus (Old Chem.), blue vitriol; copper sulphate; -- the alchemical name of copper being Venus. -- Salt of wisdom. See Alembroth. -- Sedative salt (Old Med. Chem.), boric acid. -- Sesqui salt (Chem.)…

Fehling's solution (Chem.), a standardized solution of cupric hydrate in sodium potassium tartrate, used as a means of determining the reducing power of certain sugars and sirups by the amount of red cuprous oxide thrown down. -- Heavy solution (Min.), a liquid of high density, as a solution of mercuric iodide in pota…

lime. Cream of tartar. (Chem.) See under Cream. -- Tartar emetic (Med. Chem.), a double tartrate of potassium and basic antimony. It is a poisonous white crystalline substance having a sweetish metallic taste, and used in medicine as a sudorific and emetic.

Tartrated.