by product

/ˈbaɪˌprɑdəkt/
noun
  1. Something that is produced as a result of making something else, often unexpectedly or as a secondary outcome.
    • Increased traffic was an unfortunate by-product of the new shopping center.
    • The company found a way to turn a waste by-product into a useful fertilizer.
    • Whey is a common by-product of cheese production.
  2. An unintended or secondary result of an action or situation.
    • Pollution is a harmful by-product of industrial growth.
    • The argument was a by-product of everyone being tired and stressed.
    • Greater confidence is often a by-product of learning a new skill.
What does "by product" mean? | whatsthatwordmean | whatsthatwordmean