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.
Kahne had to retire early due to issues with heat exhaustion and dehydration, but is set to run this race at the historic Rockingham Speedway. Nicholas Creel, MSNBC Newsweek, 19 Apr. 2025 The disease can cause death by dehydration but is easily treated with medication that costs pennies. Eve Sampson, New York Times, 11 Apr. 2025 These complications included severe dehydration, typically caused by diarrhea. Monica Cull, Discover Magazine, 7 Apr. 2025 Where to Get a Legitimately Quick Bite Next to dehydration and missing texts from your boss, malnourishment is the biggest threat to any Sundance festivalgoer. Mia Galuppo, HollywoodReporter, 4 Apr. 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 27 Apr. 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
Love words? Need even more definitions?

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