de·​hy·​dra·​tion | \ ˌdē-ˌhī-ˈdrā-shən How to pronounce dehydration (audio) \

Definition of dehydration

: the process of dehydrating especially : an abnormal depletion of body fluids

Examples of dehydration in a Sentence

Recent Examples on the Web Generally caused by dehydration, high sodium can make people confused and erratic, and if untreated, can result in coma or death. Annie Waldman, ProPublica, "Sent Home to Die," 2 Sep. 2020 By that point, many had succumbed to exhaustion, dehydration, starvation and even shark attacks. Meilan Solly, Smithsonian Magazine, "See 12 Stunning Portraits of World War II Veterans," 31 Aug. 2020 Caleb Truax was originally scheduled to face Angulo, but was forced to withdraw due to effects of dehydration. Patrick Reusse, Star Tribune, "Truax off Saturday's nationally televised boxing card due to dehydration," 28 Aug. 2020 However, excessive shampooing (beyond what your hair type needs) can cause dehydration and lead to breakage, so overzealous shampooers should err on the side of caution. Gabrielle Dyer,, "Does Dirty Hair Really Grow Faster? I Put The Theory To The Test," 28 Aug. 2020 Dullness is most often caused by dehydration in skin. Dori Price, Good Housekeeping, "How (and Why!) You Should Use Jojoba Oil in Your Beauty Regimen," 21 Aug. 2020 Without air conditioning at home, the child was sweating through her clothes in the heat of the night, putting her at risk for dehydration. Neelu Tummala, Scientific American, "What Climate Change Does to the Human Body," 29 Aug. 2020 Symptoms include lethargy, loss of appetite, abdominal pain and bloating, fever, vomiting and diarrhea that can cause rapid dehydration. Mike Schell, The Enquirer, "Deadly virus that affects puppies, dogs seen in Butler County," 29 Aug. 2020 Deinococcus bacteria is found on Earth and has been nicknamed Conan the Bacterium by scientists for its ability to survive cold, dehydration and acid. Ashley Strickland, CNN, "Bacteria from Earth can survive in space and could endure the trip to Mars, according to new study," 26 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dehydration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dehydration

1854, in the meaning defined above

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Time Traveler for dehydration

Time Traveler

The first known use of dehydration was in 1854

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Statistics for dehydration

Last Updated

15 Sep 2020

Cite this Entry

“Dehydration.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2020.

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More Definitions for dehydration


de·​hy·​dra·​tion | \ ˌdē-hī-ˈdrā-shən How to pronounce dehydration (audio) \

Medical Definition of dehydration

: the process of dehydrating especially : an abnormal depletion of body fluids

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