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English definition of “uptake”

uptake

noun [S or U]     /ˈʌp.teɪk/
specialized biology the rate or act of taking something in: Plants in their growth stage exhibit an increased uptake of nutrients .Physical and chemical processes UK the rate or act of accepting something: There is a 90 percent uptake of vaccination in this country . Uptake of places on the training course has been disappointing .Accepting and agreeingAccepting and agreeing reluctantlyApproving and approval
(Definition of uptake noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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