de·hy·dra·tion | \ˌdē-ˌhī-ˈdrā-shən \

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

That's because the diarrhea and vomiting that can come along with a foodborne illness can cause your body to lose too much water, causing dehydration, ACOG explains. Korin Miller, SELF, "Hilary Duff May Have Eaten Sushi While Pregnant and Everyone Needs to Chill Out About It," 13 July 2018 The sickness seems to wake them from their winter slumber earlier, depleting critical fat reserves and causing dehydration. Justin Wm. Moyer, Washington Post, "A mysterious disease is killing millions of bats. These scientists are trying to save them.," 12 July 2018 Fill your water bottle. Sip water or fruit juice to prevent dehydration. Sarah Brookbank,, "Fourth of July: Hangover cures for your patriotic beverage binge," 4 July 2018 Drinking water is vital in preventing dehydration after an extended period of fasting, particularly as some observers would have gone up to 17 hours without quenching their thirst each day. Maritza Moulite, CNN, "Eid al-Fitr: A healthy way to break the fast," 14 June 2018 Stay hydrated One to two bottles of water (24 ounces each) are recommended every hour while floating the river to prevent dehydration. Kellie Hwang, azcentral, "Going tubing this weekend? Essential safety tips to prevent drowning accidents," 8 June 2018 Make sure kids are staying hydrated with plenty of water to avoid dehydration. Evan Weiner Md,, "Keeping kids safe at summer camp," 4 June 2018 Drop one into your water bottle to help prevent dehydration. Outside Online, "The Best Summer Race Kit of 2018," 15 May 2018 But in other cases, the diarrhea can be severe, leading to dehydration and hospitalization. Sarah Klein,, "Here Are the Symptoms of Salmonella—and Everything Else You Need to Know About the Recall of Millions of Eggs," 15 May 2018

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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Last Updated

12 Oct 2018

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The first known use of dehydration was in 1854

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More Definitions for dehydration


de·hy·dra·tion | \ˌdē-hī-ˈdrā-shən \

Medical Definition of dehydration 

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

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