cream of tartar

noun phrase

Definition of cream of tartar

: a white crystalline salt C4H5KO6 used especially in baking powder and in certain treatments of metals

First Known Use of cream of tartar

1662, in the meaning defined above

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The first known use of cream of tartar was in 1662

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cream of tartar


English Language Learners Definition of cream of tartar

: a type of white salt that is used especially in cooking and baking

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to wander slowly or to speak indistinctly

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