by-product

[ bahy-prod-uhkt ]
/ ˈbaɪˌprɒd əkt /

noun

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

QUIZZES

BEAT THE DOLDRUMS WITH THIS WORD OF THE DAY QUIZ!

We know you’ll tackle this quiz totis viribus! See how many words from the week of Oct 12–18, 2020 you get right!
Question 1 of 7
What does “Indigenous” mean?

Origin of by-product

First recorded in 1900–05

Words nearby by-product

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for by-product

British Dictionary definitions for by-product

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

Scientific definitions for by-product

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.