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

Everywhere, bottles of Coco Chanel perfume tipped over, choosing death by dehydration. — Pat Beall, Sun Sentinel, 25 July 2026

Initially, vets will treat these dogs with fluids to combat dehydration and do some basic tests, such as bloodwork and an abdominal X-ray to look for evidence of a foreign body. — The Washington Post, San Diego Union-Tribune, 25 July 2026

The child needed to be admitted for dehydration and shortness of breath. — Erika Edwards, NBC news, 24 July 2026

Without treatment, the illness can last from several days to a month or longer and may lead to dehydration, especially in older adults and people with weakened immune systems. — Anthony Thompson, USA Today, 21 July 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