forever chemicals
Americanplural noun
Etymology
Origin of forever chemicals
Coined by U.S. academic and public health expert Joseph G. Allen in an opinion piece in The Washington Post (2018)
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 bill marks the latest back-and-forth over PFAS, chemicals that are found in many different consumer, commercial and industrial products and are known as forever chemicals because some of their components don’t easily break down.
From Los Angeles Times ● Jul. 30, 2026
But there is growing concern about the long-term environmental and health impacts of some of these "forever chemicals" - so called because they persist and accumulate across ecosystems.
From BBC ● Apr. 22, 2026
Katz noted that MCCPs share similarities with PFAS, a group of chemicals often called "forever chemicals" because they break down very slowly in the environment.
From Science Daily ● Apr. 11, 2026
Hundreds of Belgians living near a 3M plant have sued the US multinational maker of Post-it and Scotch tape over pollution from so-called "forever chemicals" in a trial that opens on Tuesday.
From Barron's ● Feb. 24, 2026
Listen to BBC Inside Science: Where do forever chemicals come from?
From BBC ● Feb. 11, 2026
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.