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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Dictionary Entries Near cream of tartar

cream of lime

cream of tartar

cream-of-tartar tree

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Cite this Entry

“Cream of tartar.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2021.

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More Definitions for cream of tartar

cream of tartar


English Language Learners Definition of cream of tartar

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

More from Merriam-Webster on cream of tartar Encyclopedia article about cream of tartar


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