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

Keep scrolling for more

Learn More about cream of tartar

Statistics for cream of tartar

Look-up Popularity

Time Traveler for cream of tartar

The first known use of cream of tartar was in 1662

See more words from the same year

Keep scrolling for more

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

Comments on cream of tartar

What made you want to look up cream of tartar? Please tell us where you read or heard it (including the quote, if possible).


marked by a state of overwhelming emotion

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

Test your knowledge - and maybe learn something along the way.

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!