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by-product

[bahy-prod-uh kt] /ˈbaɪˌprɒd əkt/
noun
1.
a secondary or incidental product, as in a process of manufacture.
2.
the result of another action, often unforeseen or unintended.
Origin of by-product
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for by-product
Contemporary Examples
Historical Examples
  • One would suppose that sex ruled this planet, instead of being perhaps, only a necessary incident, or by-product.

    Painted Veils James Huneker
  • Nor is there any satisfactory application of this by-product as yet evolved.

  • So we came to realize that political corruption is merely a by-product of Big Business.

  • It is prepared commercially as a by-product in the steel-plate mills.

  • As silver is now obtained largely as a by-product, there is almost no waste.

    Checking the Waste Mary Huston Gregory
  • It was the end of Mr. Frawley; he, too, had not only become a by-product but a good-by product.

    Iole Robert W. Chambers
  • This is a by-product in the manufacture of gas for lighting and also in the manufacture of coke for industrial purposes.

British Dictionary definitions for by-product

by-product

noun
1.
a secondary or incidental product of a manufacturing process
2.
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
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Word Origin and History for by-product
n.

also byproduct; 1857, from by + product.

Online Etymology Dictionary, © 2010 Douglas Harper
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by-product in Science
by-product
  (bī'prŏd'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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for by

7
7
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