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English definition of “by-product”

by-product

noun [C]
 
 
/ˈbaɪˌprɒdʌkt/
something that is produced when you are making or doing something else: Carbon monoxide is a by-product of burning.Outcomes and consequencesProducts and producersBuying and selling in general
(Definition of by-product from the Cambridge Learners Dictionary © Cambridge University Press)
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