dioxin
noun
di·ox·in (ˌ)dī-ˈäk-sən 
: 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
Example Sentences
Recent Examples on the Web Boeing paid $25,750 for the elevated levels of TCDD, a potent cancer-causing dioxin. 
Tony Briscoestaff Writer, Los Angeles Times, 11 Aug. 2022 Verona is also the site of an old toxic waste site that contains dioxin, a contaminant that’s linked to Non-Hodgkin lymphoma and other cancers. Lisa Song, ProPublica, 25 Mar. 2022 In a related incident in 2004, Ukrainian presidential candidate Viktor Yushchenko was poisoned with dioxin. Kyle Mizokami, Popular Mechanics, 23 Mar. 2022 Tests confirmed Yushchenko had been poisoned with dioxin, a chemical found in agent orange, according to The New York Times. Jordan Mendoza, USA TODAY, 2 Mar. 2022 The poison in his body was a dioxin found only in Russian labs. Jay Nordlinger, National Review, 20 Feb. 2022 In 1998, an incinerator replaced open-air burning -- but the fumes contained unsafe levels of toxic dioxin and the incinerators were shut down shortly after. Rebecca Cairns, CNN, 25 Jan. 2022 Her father had diabetes, which may have been triggered by dioxin, a chemical that attacks the pancreas. Kathleen Flynn, ProPublica, 2 Nov. 2021 Even small amounts of dioxin, one of the most poisonous chemicals released by facilities, can cause developmental problems, damage the immune system and lead to cancer. Kathleen Flynn, ProPublica, 2 Nov. 2021 See More
Tony Briscoestaff Writer, Los Angeles Times, 11 Aug. 2022 Verona is also the site of an old toxic waste site that contains dioxin, a contaminant that’s linked to Non-Hodgkin lymphoma and other cancers. Lisa Song, ProPublica, 25 Mar. 2022 In a related incident in 2004, Ukrainian presidential candidate Viktor Yushchenko was poisoned with dioxin. Kyle Mizokami, Popular Mechanics, 23 Mar. 2022 Tests confirmed Yushchenko had been poisoned with dioxin, a chemical found in agent orange, according to The New York Times. Jordan Mendoza, USA TODAY, 2 Mar. 2022 The poison in his body was a dioxin found only in Russian labs. Jay Nordlinger, National Review, 20 Feb. 2022 In 1998, an incinerator replaced open-air burning -- but the fumes contained unsafe levels of toxic dioxin and the incinerators were shut down shortly after. Rebecca Cairns, CNN, 25 Jan. 2022 Her father had diabetes, which may have been triggered by dioxin, a chemical that attacks the pancreas. Kathleen Flynn, ProPublica, 2 Nov. 2021 Even small amounts of dioxin, one of the most poisonous chemicals released by facilities, can cause developmental problems, damage the immune system and lead to cancer. Kathleen Flynn, ProPublica, 2 Nov. 2021 See More Word History
First Known Use
circa 1919, in the meaning defined above
Medical Definition
dioxin
noun
di·ox·in (ˈ)dī-ˈäk-sən
: 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