buttermilk
(-milk′)
noun
- the liquid left after butter has been churned from milk
- a commercially prepared milk drink made by adding bacteria to sweet skim milk
See buttermilk in American Heritage Dictionary 4
noun- The sour liquid that remains after the butterfat has been removed from whole milk or cream by churning.
- A cultured sour milk made by adding certain microorganisms to sweet milk.
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