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.
The oxygen, a waste product as far as the plant is concerned, is then released into the atmosphere, where it has accumulated for hundreds of millions of years.
From The Wall Street Journal ● Oct. 16, 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
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
Then Epiphany answered: What is the waste product of photosynthesis?
From "The View From Saturday" by E.L. Konigsburg
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
