American Dictionary

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Definition dehydration in American English

dehydration noun

[uncountable] noun
/ˌdihaɪˈdreɪʃ(ə)n/
1

a dangerous lack of water in the body resulting from not drinking enough or by sweating, vomiting, or having diarrhea

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2

the process of removing water from food as a way of preserving it

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3

the process by which a chemical compound loses hydrogen and oxygen atoms in the ratio 2:1

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Definition dehydration in American English