a general name for a family of chlorinated hydrocarbons, C12H4Cl4O2, 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.
- Also called TCDD
- Compare Agent Orange.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use dioxin in a sentence
One early study, published in 2002, calculated the concentration of dioxins in four brands of tampons.How worried should you be about the ingredients in tampons? | Colleen Wood / Undark | November 20, 2022 | Popular-Science
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.
A 2007 report found that the types of dioxin compounds in the blood of Mossville residents matched those emitted by local industrial facilities.
Her father had diabetes, which may have been triggered by dioxin, a chemical that attacks the pancreas.
“dioxin” is the dirtiest of dirty words and this designation, like the chemical itself, does not degrade.
Unfortunately, the waste oil had a dioxin concentration 2,000 times higher than that in Agent Orange.
It is the connection of triclosan to dioxin that has appropriately raised the hackles of so many.
Yushchenko had been poisoned with dioxin during the campaign, most likely by allies of Moscow.
British Dictionary definitions for dioxin
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
Scientific definitions for dioxin
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for dioxin
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.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.