dioxin

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

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This entry was last updated on RefTopia from its source on 3/20/2012.