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 because their other waste product is water, the center’s net water loss will be comparatively minuscule.
From The Wall Street Journal ● Sep. 4, 2026
Uricase breaks down uric acid, a waste product that routinely forms in the blood.
From Science Daily ● Nov. 14, 2025
The main solid waste product is phosphogypsum, which the plant discharges into the Mediterranean.
From Barron's ● Oct. 10, 2025
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
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
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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.