cream of tartar


noun

a white, crystalline, water-soluble powder, C4H5KO6, used chiefly as an ingredient in baking powders and in galvanic tinning of metals. Also called potassium bitartrate, potassium acid tartrate.Compare tartar(def 3).

Origin of cream of tartar

First recorded in 1655–65

Example sentences from the Web for cream of tartar

British Dictionary definitions for cream of tartar

cream of tartar

noun

another name for potassium hydrogen tartrate, esp when used in baking powders