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English definition of “integral”

integral

adjective  /ˈɪn·tə·ɡrəl, ɪnˈteɡ·rəl/ us  
necessary and important as a part of a whole, or contained within it: Taking a ride on the canals of Venice is an integral part of experiencing that city.
(Definition of integral from the Cambridge Academic Content Dictionary © Cambridge University Press)
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