dioxin

From di- +‎ oxygen +‎ -in

dibenzo-p-dioxin

• (UK) IPA^(key): /daɪˈɒksɪn/

  Rhymes: -ɒksɪn

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dioxin (plural dioxins)

1. (organic chemistry) Any of a broad range of toxic or carcinogenic halogenated polycyclic compounds that occur as byproducts of herbicides.
2. (organic chemistry) The parent compound, dibenzo-p-dioxin, in which two benzene rings are connected vio two oxygen atoms; oxanthrene.
3. (organic chemistry) The unsaturated six-membered heterocycle having four carbon atoms, two oxygen atoms and two double bonds.