waste product
Americannoun
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material discarded as useless in the process of producing something.
-
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
"Our technology is cheaper and more sustainable because it requires little energy and is based on a widely available waste product," he says.
From Science Daily ● Jun. 11, 2026
Lucy Bell-Reeves, NPK Recovery's co-founder, said using a waste product to grow trees was "a circular solution that can revitalise our struggling native species."
From BBC ● Apr. 2, 2026
The main solid waste product is phosphogypsum, which the plant discharges into the Mediterranean.
From Barron's ● Oct. 10, 2025
Unfortunately, as the doctor appears not to have known, lead is not excreted as a waste product.
From "A Short History of Nearly Everything" by Bill Bryson
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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.