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water cycle

 
/ˈwɔt·̬ər ˌsɑɪ·kəl/, /ˈwɑt̬·ər/ n [U]

Definition

biology the way that water is taken up from the sea, rivers, soil, etc. and then comes back down as rain or snow
(Definition of water cycle n from the Cambridge Academic Content Dictionary © Cambridge University Press)

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