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

In an unprecedented move, Paris officials asked organizers of the annual summer music festival Fete de la Musique not to sell alcohol, as dehydration and heat stroke were serious risks to attendees. — Lilit Marcus, CNN Money, 11 July 2026

Though cyclosporiasis can cause severe dehydration because of its association with prolonged bouts of diarrhea and nausea, it is not considered a life-threatening illness. — Sara Moniuszko, USA Today, 10 July 2026

On average, 10% of patients need to be hospitalized, often from dehydration, Blau said. — Erika Edwards, NBC news, 10 July 2026

Bentley told the Tuscaloosa News that heat illness runs on a spectrum, starting with painful cramps in the calves, hamstrings or feet caused by dehydration and low electrolytes. — Hanna Wickes, Miami Herald, 9 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