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.
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
The Cambridge researchers found that used cement is an effective substitute for lime flux, which is used in steel recycling to remove impurities and normally ends up as a waste product known as slag.
From Science Daily • May 22, 2024
The powder is made from a purified plasma protein, a waste product of blood.
From BBC • Nov. 27, 2023
Suddenly the manure would become a waste product.
From "The Omnivore's Dilemma" by Michael Pollan
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.
