dioxin(redirected from Tetrachlorodibenzodioxin)
Also found in: Thesaurus, Medical, Acronyms, Encyclopedia.
Any of several carcinogenic, mutagenic, and teratogenic polychlorinated heterocyclic aromatic hydrocarbons that can occur as impurities in petroleum-derived herbicides and as byproducts of manufacturing chemicals and burning fuels and waste.
(Chemical Engineering) 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
a general name for a family of chlorinated hydrocarbons, C12H4Cl4O2, esp. the isomer TCDD, a toxic by-product of pesticide manufacture. Compare Agent Orange.
Any of dozens of highly toxic contaminants of products including or involving chlorinated phenols.