: the watery part of milk that is separated from the coagulable part or curd especially in the process of making cheese and that is rich in lactose, minerals, and vitamins and contains lactalbumin and traces of fat
wheylike adjective

Examples of whey in a Sentence

The curd has separated from the whey.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Greek yogurt, which is made when regular yogurt is strained to remove liquid whey, has a thicker consitence and more sour taste—along with a higher protien content plus less carbs and sugar. Jahnavi Rapaka, Vogue, 21 Mar. 2026 Other remedies included burning sage and prescribing beef tallow and whey protein. Natalie Oganesyan, Deadline, 14 Mar. 2026 The whey is drained, leaving some liquid behind. Sherri Gordon, Health, 13 Mar. 2026 Key Takeaways Dry yogurt is yogurt that’s been strained to remove liquid whey, leaving behind a thicker, more concentrated product. Kathleen Ferraro, Verywell Health, 12 Mar. 2026 See All Example Sentences for whey

Word History

Etymology

Middle English, from Old English hwæg; akin to Middle Dutch wey whey

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of whey was before the 12th century

Browse Nearby Words

Cite this Entry

“Whey.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whey. Accessed 1 Apr. 2026.

Kids Definition

whey

noun
ˈhwā How to pronounce whey (audio)
ˈwā
: the watery part of milk that separates after the milk has soured and thickened especially in the process of making cheese compare curd sense 1

Medical Definition

whey

noun
: the serum or watery part of milk that is separated from the coagulable part or curd especially in the process of making cheese and that is rich in lactose, minerals, and vitamins and contains lactalbumin and traces of fat

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