Dioxin
WordNet
noun
(1) Any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides
WiktionaryText
Noun
- any of a broad range of toxic or carcinogenic halogenated polycyclic compounds that occur as byproducts of herbicides
- the parent compound, dibenzo-p-dioxin, in which two benzene rings are connected vio two oxygen atoms; oxanthrene
- the unsaturated six-membered heterocycle having four carbon atoms, two oxygen atoms and two double bonds