also byproduct
( by-products)
1.
A by-product is something which is produced during the manufacture or processing of another product.
The raw material for the tyre is a by-product of petrol refining.
N-COUNT : oft N of n
2.
Something that is a by-product of an event or situation happens as a result of it, although it is usually not expected or planned.
A by-product of their meeting was the release of these fourteen men.
= side-effect
N-COUNT : oft N of n