EXAMPLES FROM THE WEB FOR BY-PRODUCT
With regard to leather, this material is, under present conditions, a 'by-product.'
Nor is there any satisfactory application of this by-product as yet evolved.
As silver is now obtained largely as a by-product, there is almost no waste.
It is not a by-product, but an essential part of the animal's equipment.
It is prepared commercially as a by-product in the steel-plate mills.
You might say that in England fabrics were a by-product of agriculture.
It was the end of Mr. Frawley; he, too, had not only become a by-product but a good-by product.
She is too young to endure it, sobbed the by-product to her of the sketchy face.
In some instances the coke, and not the gas, is a by-product.
America finally did away with slavery (as a by-product of the Civil War).