subproduct

noun

sub·​prod·​uct ˌsəb-ˈprä-(ˌ)dəkt 

variants or sub-product

plural subproducts or sub-products

: by-product

hulls and other subproducts of soybean processing

Bagasse is constituted by organic waste from malt, never experiencing modifications afterwards. This is the reason why bagasse is considered a subproduct, commonly used to make fodder and is inexpensive.

—American Society for Metals

Word History

First Known Use

1860, in the meaning defined above