by–product

play
noun by–prod·uct \-ˌprä-(ˌ)dəkt\

Definition of by–product

  1. 1 :  something produced in a usually industrial or biological process in addition to the principal product a chemical by–product of the oil-refining process

  2. 2 :  a secondary and sometimes unexpected or unintended result The loss of jobs is an unfortunate by–product of technological advancements in the industry.

1857

First Known Use of by–product

1857


BY–PRODUCT Defined for English Language Learners

by-product

play
noun

Definition of by–product for English Language Learners

  • : something that is produced during the production or destruction of something else

  • : something that happens as a result of something else


BY–PRODUCT Defined for Kids

by–product

play
noun by–prod·uct \ˈbī-ˌprä-dəkt\

Definition of by–product for Students

  1. :  something produced (as in manufacturing) in addition to the main product


Learn More about by–product

  1. Spanish Central: Translation of by–product


Seen and Heard

What made you want to look up by–product? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

the point at which something begins

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!