Definition of by–product
1 : something produced in a usually industrial or biological process in addition to the principal product a chemical by–product of the oil-refining process
2 : a secondary and sometimes unexpected or unintended result The loss of jobs is an unfortunate by–product of technological advancements in the industry.
First Known Use of by–product
BY–PRODUCT Defined for English Language Learners
Definition of by–product for English Language Learners
: something that is produced during the production or destruction of something else
: something that happens as a result of something else
BY–PRODUCT Defined for Kids
Definition of by–product for Students
: something produced (as in manufacturing) in addition to the main product
Learn More about by–product
Spanish Central: Translation of by–product
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