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dioxin

[dahy-ok-sin]

noun

Chemistry.
  1. a general name for a family of chlorinated hydrocarbons, C 12 H 4 Cl 4 O 2 , typically used to refer to one isomer, TCDD, a by-product of pesticide manufacture: a toxic compound that is carcinogenic and teratogenic in certain animals.



dioxin

/ daɪˈɒksɪn /

noun

  1. any of a number of mostly poisonous chemical by-products of the manufacture of certain herbicides and bactericides, esp the extremely toxic 2,3,7,8-tetrachlorodibenzo-para-dioxin

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

dioxin

  1. Any of several toxic hydrocarbons that occur as impurities in petroleum-derived herbicides, disinfectants, and other products. Dioxins are composed of two benzene rings connected by two oxygen atoms, and the most familiar kind, called TCDD, has two chlorine atoms attached to each benzene ring. TCDD was once thought to cause cancer and birth defects, but subsequent research showed it to have only mild toxic effects except at very high exposure levels.

dioxin

  1. A group of pollutants created as by-products in many industrial processes. Dioxins accumulate in human tissue and affect human metabolism. They are carcinogens. Eliminating dioxins is an important goal of environmental policy.

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Word History and Origins

Origin of dioxin1

First recorded in 1965–70; di- 1 + ox- + -in 2
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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.

There’s evidence that buckwheat and bush sunflower can take up lead, and saltbush can ensnare arsenic, Fang said, also name-checking corn, squash and cucumber for their ability to sequester contaminants such as dioxins.

Read more on Los Angeles Times

"Large quantities of dioxin and furan have been added to the atmosphere and these are carcinogens. And then we have calculated it may kill about 70 people in our country," says Prof Guneeardena.

Read more on BBC

For years, the U.S. also denied responsibility for Agent Orange cleanup, despite the recognition of dioxin-associated illnesses among U.S. veterans and testing that revealed continuing dioxin exposure among potentially tens of thousands of Vietnamese.

Read more on Salon

But starting in the mid-2000s under President George W. Bush, the U.S. began earmarking federal dollars for dioxin remediation in Vietnam to clean up the contamination sites and the two nations’ troubled relationship.

Read more on Salon

She argues that incineration increases residual slag and releases harmful toxins like mercury and dioxins.

Read more on BBC

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