by-product
Definition
A secondary or incidental product made during the creation of another primary product.
日本語 主な製品を作る際に作られる副次的な製品
Example
"Ethanol is a common by-product of sugar fermentation."
A secondary or incidental product made during the creation of another primary product.
日本語 主な製品を作る際に作られる副次的な製品
"Ethanol is a common by-product of sugar fermentation."