dehydration

noun

de·​hy·​dra·​tion ˌdē-ˌhī-ˈdrā-shən How to pronounce dehydration (audio)
: the process of dehydrating
especially : an abnormal depletion of body fluids

Examples of dehydration in a Sentence

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.
The commercials that run during post-season baseball are rife with talk of dermatitis, dehydration, and wheezing. Scott Simon, NPR, 25 Oct. 2025 Just keep in mind that excess sodium can also cause dehydration by drawing water out of your cells. Caroline Tien, SELF, 24 Oct. 2025 Hot, dry weather can trap heat within your body, which can also lead to dehydration. Lauren O'Connor, Health, 23 Oct. 2025 The exhausted director, who blamed the movie's problems on ''politics, money and time constraints,'' was hospitalized with pneumonia and dehydration for two weeks near the end of filming. Gillian Telling, PEOPLE, 22 Oct. 2025 See All Example Sentences for dehydration

Word History

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of dehydration was in 1854

Browse Nearby Words

Cite this Entry

“Dehydration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dehydration. Accessed 28 Oct. 2025.

Medical Definition

dehydration

noun
de·​hy·​dra·​tion ˌdē-hī-ˈdrā-shən How to pronounce dehydration (audio)
: the process of dehydrating
especially : an abnormal depletion of body fluids
Last Updated: - Updated example sentences
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