cream of tartar
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Related to cream of tartar: baking powder
cream of tartar,white crystalline powder. Chemically it is potassium hydrogen tartrate, KC4H5O6, the acidic potassium salt of tartaric acidtartaric acid,
HO2CCHOHCHOHCO2H, white crystalline dicarboxylic acid. It occurs as three distinct isomers, the dextro-, levo-, and meso- forms.
..... Click the link for more information. . It is used as the leavening agent in baking powders. An impure form, called tartar or argol, forms naturally during the fermentation of grape juice into wine and crystallizes in the wine casks.
cream of tartar[′krēm əv ′tärd·ər]