by–product

1 ENTRIES FOUND:
by–product /ˈbaɪˌprɑːdəkt/ noun
plural by–products
by–product
/ˈbaɪˌprɑːdəkt/
noun
plural by–products
Britannica Dictionary definition of BY–PRODUCT
[count]
1 
: something that is produced during the production or destruction of something else — often + of
2 
: something that happens as a result of something else — often + of