: something produced in a usually industrial or biological process in addition to the principal product
Sulfured molasses is a by-product of sugar refining. Wayne Gisslen
Small amounts of amyloid beta are generated as an ordinary metabolic byproduct and are believed to do no harm, but larger amounts seem to be tied to Alzheimer's. January W. Payne
Meat by-products are parts other than meat, including organs, blood and bone … Amy D. Shojai
Among the most commonly occurring and thoroughly studied chlorination byproducts are trihalomethanes …Consumer Reports
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: a secondary and sometimes unexpected or unintended result
Japan's success as an international exporter of manufactured goods is a by-product of the volatile trade among Japanese cities. Jane Jacobs
As investor confidence grows, overspending and overborrowing are typically byproducts of an aging bull market. Carolyn Bigda
One of the by-products of the information age is an increasing number of data formats. John Was