di·​ox·​in | \ (ˌ)dī-ˈäk-sən How to pronounce dioxin (audio) \

Definition of dioxin

: any of several persistent toxic heterocyclic hydrocarbons that occur especially as by-products of various industrial processes (such as pesticide manufacture and papermaking) and waste incineration especially : tcdd

Examples of dioxin in a Sentence

Recent Examples on the Web The testing uncovered alarming levels of dioxin, a carcinogen linked to reproductive and developmental problems in humans. NBC News, "'We've been forgotten': In Newark, N.J., a toxic Superfund site faces growing climate threats," 1 Oct. 2020 Pruitt announced that dioxin in the pits, which had supposedly been secured by a concrete cap, would finally be removed. NBC News, "Trump's EPA claimed 'success' in Superfund cleanups — but climate change went unaddressed," 8 Oct. 2020 In early September 2017, shortly after Hurricane Harvey, then-EPA Administrator Scott Pruitt visited the site and announced that dioxin would be finally removed. NBC news, "A growing toxic threat — made worse by climate change," 24 Sep. 2020 Her discussion of the routine presence of dioxin in consumer products made from bleached paper — coffee filters, diapers, tampons — is chilling. Steve Paul, Star Tribune, "Review: 'Mill Town: Reckoning With What Remains,' by Kerri Arsenault," 28 Aug. 2020 The former Ukrainian president Viktor Yushchenko fell ill from a dioxin, and unknown toxins were used against Vladimir Kara-Murza, a Russian journalist who lobbied in the West for sanctions against Kremlin operatives. Melissa Eddy, BostonGlobe.com, "Navalny, Putin critic suspected of being poisoned, arrives in Germany," 22 Aug. 2020 Research has shown that most waste incinerators in the United States are in lower-income communities of color, and medical waste, when burned, can release dioxins and other compounds. Hiroko Tabuchi, New York Times, "In the Shadows of America’s Smokestacks, Virus Is One More Deadly Risk," 17 May 2020 Among other substances, first responders and volunteers in the World Trade Center area were exposed to asbestos, lead, dioxins and benzene following the attacks. Jamie Ducharme, Time, "Sept. 11 Responders May Be at Heightened Risk of Developing Leukemia," 14 Jan. 2020 It was initially identified as the receptor that mediates the toxic effects of synthetic compounds like dioxins and related industrial pollutants. Diana Gitig, Ars Technica, "The immune system listens in on bacteria signaling to each other," 20 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dioxin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dioxin

circa 1919, in the meaning defined above

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Time Traveler for dioxin

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The first known use of dioxin was circa 1919

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Statistics for dioxin

Last Updated

5 Nov 2020

Cite this Entry

“Dioxin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dioxin. Accessed 23 Nov. 2020.

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More Definitions for dioxin


How to pronounce dioxin (audio)

English Language Learners Definition of dioxin

: a poisonous chemical that is sometimes used in farming and industry


di·​ox·​in | \ (ˈ)dī-ˈäk-sən How to pronounce dioxin (audio) \

Medical Definition of dioxin

: any of several persistent toxic heterocyclic hydrocarbons that occur especially as by-products of various industrial processes (as pesticide manufacture and paper milling) and waste incineration especially : tcdd — see agent orange

More from Merriam-Webster on dioxin

Britannica English: Translation of dioxin for Arabic Speakers

Britannica.com: Encyclopedia article about dioxin

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