dehydration
noun
de·hy·dra·tion
ˌdē-ˌhī-ˈdrā-shən 
: the process of dehydrating
especially
: an abnormal depletion of body fluids
Examples of dehydration in a Sentence
Recent Examples on the Web
The electrolytes in this beverage can help treat or prevent mild dehydration, which may be beneficial after experiencing a stomach bug.
—
Carrie Madormo, Verywell Health, 9 Jan. 2026
In a new paper in the European Journal of Applied Physiology, Mark Funnell and colleagues from the universities of Leicester and Loughborough in Britain peer into their crystal ball to ask what’s next for dehydration research.
—Alex Hutchinson, Outside, 8 Jan. 2026
Heat styling, chemical services, and even stress or dehydration can further disrupt the scalp’s moisture balance.
—Iman Balagam, Vogue, 8 Jan. 2026
The high fevers, hospitalizations, and dehydration that these illnesses cause can be painful and disruptive—and, with vaccines, avoidable.
—Tom Bartlett, The Atlantic, 7 Jan. 2026
See All Example Sentences for dehydration
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Carrie Madormo, Verywell Health, 9 Jan. 2026
In a new paper in the European Journal of Applied Physiology, Mark Funnell and colleagues from the universities of Leicester and Loughborough in Britain peer into their crystal ball to ask what’s next for dehydration research.
—Alex Hutchinson, Outside, 8 Jan. 2026
Heat styling, chemical services, and even stress or dehydration can further disrupt the scalp’s moisture balance.
—Iman Balagam, Vogue, 8 Jan. 2026
The high fevers, hospitalizations, and dehydration that these illnesses cause can be painful and disruptive—and, with vaccines, avoidable.
—Tom Bartlett, The Atlantic, 7 Jan. 2026
See All Example Sentences for dehydration
Cite this Entry
“Dehydration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dehydration. Accessed 13 Jan. 2026.
Copy CitationMedical Definition
dehydration
noun
de·hy·dra·tion
ˌdē-hī-ˈdrā-shən
: the process of dehydrating
especially
: an abnormal depletion of body fluids
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