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

More serious risks include pancreatitis, gallbladder disease, and kidney injury from dehydration, and both molecules carry a boxed warning for thyroid C-cell tumors. — Daniel Fusch, USA Today, 15 Sep. 2026

None of these methods are permitted by the Board, whose two-day trainer course covers the risks of dehydration significantly, pointing out that even the slightest drop in fluids impairs performance. — Sarah Shephard, New York Times, 10 Sep. 2026

Some had to be treated for medical conditions like heat exhaustion or dehydration. — Ian Miller Outkick, FOXNews.com, 9 Sep. 2026

She was taken to Baylor Scott & White in Forney, treated for dehydration, and given an IV. — Doug Myers, CBS News, 9 Sep. 2026

Word History

First Known Use

1840, in the meaning defined above

Rhymes for dehydration

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Medical Definition

dehydration

noun

de·​hy·​dra·​tion ˌdē-hī-ˈdrā-shən 

: the process of dehydrating

especially : an abnormal depletion of body fluids