waste product
Americannoun
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material discarded as useless in the process of producing something.
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feces, urine, and other material excreted in the life process.
Etymology
Origin of waste product
First recorded in 1930–35
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
And he still had to find something to do with the waste product that resulted from the kerosene-making process: gasoline.
From Barron's • May 2, 2026
The battery brining liquid is a hazardous waste product too and is trucked to another specialized facility, the agency said.
From Los Angeles Times • Apr. 9, 2025
And the primary waste product, called pomace, can be used as fertilizer, perhaps to grow new apple trees.
From Salon • Jul. 30, 2024
This advancement not only circumvents the need for high-purity CO2 but also efficiently repurposes a prevalent waste product, marking a stride towards closing the carbon cycle and reducing reliance on fossil fuels.
From Science Daily • May 14, 2024
However they had gotten there, Spirit Lake was now their home, and their photosynthesis was creating oxygen as a waste product.
From "Mountain of Fire" by Rebecca E. F. Barone
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
