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dehydrate verb

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/ˌdiː.haɪˈdreɪt/ v [I or T]

Definition

to (cause to) lose water
Air travel dehydrates the body.
You'll dehydrate (= lose water from your body) very quickly in this heat, if you don't drink lots of water.

dehydration noun

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/ˌdiː.haɪˈdreɪ.ʃən/ n [U]
More than 11,000 children die every day around the world because of dehydration caused by diarrhoea.

(Definition of dehydrate verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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