by-product

[ bahy-prod-uh kt ]
/ ˈbaɪˌprɒd əkt /

noun

a secondary or incidental product, as in a process of manufacture.
the result of another action, often unforeseen or unintended.

Origin of by-product

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for byproduct

British Dictionary definitions for byproduct

by-product


noun

a secondary or incidental product of a manufacturing process
a side effect
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for byproduct

by-product

[ bīprŏd′əkt ]

Something produced in the process of making something else. When plants produce carbohydrates by photosynthesis, oxygen is released as a by-product. Asphalt and paraffin are by-products of the process of refining crude oil into gasoline.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.