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

Police have arrested a woman on an animal cruelty charge in connection with a dog that suffered weight loss, dehydration and other issues. — Justin Muszynski, Hartford Courant, 11 Nov. 2026

People with bloody diarrhea or signs of dehydration should seek prompt medical attention, Santa Cruz County health officials said. — Don Sweeney, Sacbee.com, 11 Nov. 2026

People with bloody diarrhea, signs of dehydration, or other severe symptoms should seek medical attention promptly, the Health Department said. — Michelle Mullins, Chicago Tribune, 10 Nov. 2026

Instead, modern science shows that the extreme summer heat, physical stress, dehydration, and even ample wine drinking could have easily caused the symptoms of tarantism. — Laura Kiniry, Popular Science, 10 Nov. 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