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English definition of “function”

function

noun [C/U] (PURPOSE)   /ˈfʌŋk·ʃən/
a purpose or duty , or the way something or someone works : [U] The function of the veins is to carry blood to the heart . [C] One of your functions as receptionist is to answer the phone .
(Definition of function noun (PURPOSE) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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