di·ox·in 
(dī-ŏksĭn)
(dī-ŏksĭn)n.
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.
[DI-1 + OX(O)- + -IN.]
- metabolite
- metabolizable
- metabolize
- metabolome
- metabolomic
- metabolomics
- metacarpal
- metacarpally
- metacarpus
- metacenter
- metacentric
- metacentricity
- metachromatic
- metachromatism
- Metacom
- metadata
- metaethical
- metaethics
- metafiction
- metafictional
- metafictionist
- metagalaxy
- metagenesis
- metagenetic
- metagnathism