- 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.
Origin of dioxin
Examples from the Web for dioxin
“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.Yulia Tymoshenko: She's No Angel
February 23, 2014
- 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
Word Origin and History for dioxin
1919, from dioxy- + chemical suffix -in (2). All the compounds in the group are characterized by two oxygen atoms.
- Any of several carcinogenic or teratogenic heterocyclic hydrocarbons that occur as impurities in petroleum-derived herbicides.
- 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.
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.