coproduct

[ koh-prod-uh kt, -uhkt ]
/ ˈkoʊˌprɒd əkt, -ʌkt /

noun

something produced jointly with another product.

Origin of coproduct

First recorded in 1940–45; co- + product
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019