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English definition of “function”

function

noun [U] (WORK)    /ˈfʌŋk.ʃən/
the way in which something works or operates : It's a disease that affects the function of the nervous system . Studies suggest that regular intake of the vitamin significantly improves brain function.Performing a functionFunctioning
(Definition of function noun (WORK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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