by-product

[ bahy-prod-uh kt ]
/ ˈbaɪˌprɒd əkt /

noun

a secondary or incidental product, as in a process of manufacture.
the result of another action, often unforeseen or unintended.

Origin of by-product

First recorded in 1900–05

Words nearby by-product

Example sentences from the Web for by-product

British Dictionary definitions for by-product

by-product

noun

a secondary or incidental product of a manufacturing process
a side effect

Scientific definitions for by-product

by-product
[ bīprŏd′əkt ]

Something produced in the process of making something else. When plants produce carbohydrates by photosynthesis, oxygen is released as a by-product. Asphalt and paraffin are by-products of the process of refining crude oil into gasoline.