cream of tartar

American  

noun

1. a white, crystalline, water-soluble powder, C 4 H 5 KO 6 , used chiefly as an ingredient in baking powders and in galvanic tinning of metals.

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cream of tartar British  

noun

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

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Etymology

Origin of cream of tartar

First recorded in 1655–65

Example Sentences

Additionally, adding a small amount of acid, like cream of tartar or a few drops of lemon juice, directly into the sugar solution can help control crystallization.

From Salon

Add flour and mix well together, adding remainder of milk as required – also bicarbonate and cream of tartar.

From BBC

One way to achieve slightly soured milk is by adding some lemon juice or cream of tartar to milk.

From Salon

Use a stand mixer with a whisk attachment to beat the egg whites and cream of tartar on medium speed for 30 to 45 seconds until combined.

From Washington Times

To make the meringue, whip egg whites with cream of tartar using a mixer.

From Salon