dioxin

noun
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

But no sampling had been done for 2,4,5-T, a toxic herbicide unavoidably contaminated by dioxin during its manufacturing. Rob Davis | The Oregonian/oregonlive, oregonlive.com, "Recovery begins on Wallowa Lake barrels that may contain Agent Orange ingredients," 13 June 2019 Some of these include cement, asbestos, lead, glass fibers, dioxins and other chemicals. NBC News, "9/11 first responder who appeared before Congress with Jon Stewart dies," 29 June 2019 The military blend was heavily contaminated with dioxin, which the EPA classifies as a probable human carcinogen. Rob Davis | The Oregonian/oregonlive, oregonlive.com, "U.S. EPA finds 18 barrels, some intact, in Wallowa Lake recovery effort," 14 June 2019 Finally, waste-to-energy plants have the potential to emit low levels of toxic pollutants such as dioxins, acid gases, and heavy metals. Elizabeth Royte, National Geographic, "Is burning plastic waste a good idea?," 12 Mar. 2019 The dioxin pollution in the Passaic River dates back to the Vietnam era, when the U.S. military used Agent Orange to kill Vietnamese crops and vegetation. Gretchen Morgenson, WSJ, "Agent Orange’s Other Legacy—a $12 Billion Cleanup and a Fight Over Who Pays," 3 Dec. 2018 After Harvey, agency officials found dioxin in sediment near the pits at a level more than 2,000 times the EPA standard for cleanup. Alex Stuckey, Houston Chronicle, "Clean up of San Jacinto Waste Pits moving forward," 9 Apr. 2018 Elevated levels of dioxins and other contaminants have been detected in soil, groundwater, sediment, surface water and fish. Stephen Singer, courant.com, "Stanley, Black & Decker Agrees To $100 Million Cleanup Of RI Superfund Site," 9 July 2018 From the 1940s to the 1970s, Emhart’s predecessor operated a chemical manufacturing facility on the peninsula and used a raw material contaminated with a toxic form of dioxin. Stephen Singer, courant.com, "Stanley, Black & Decker Agrees To $100 Million Cleanup Of RI Superfund Site," 9 July 2018

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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More Definitions for dioxin

dioxin

noun

English Language Learners Definition of dioxin

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

dioxin

noun
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