Definition of dioxin in English:

dioxin

Line breaks: di¦oxin
Pronunciation: /dʌɪˈɒksɪn
 
/

noun

[mass noun]
  • 1A highly toxic compound produced as a by-product in some manufacturing processes, notably herbicide production and paper bleaching. It is a serious and persistent environmental pollutant.
    • A heterocyclic organochlorine compound; alternative name: 2,3,7,8-tetrachlorodibenzoparadioxin (abbreviation: TCDD); chemical formula: C12H4O2Cl4
    More example sentences
    • Activists also charge that inappropriate operation of incinerators creates not only air pollution but also toxic dioxin.
    • He discussed how the manufacture of PVC creates the unwanted byproduct of dioxin, a potent carcinogen.
    • That view is shared by the usually mild US Environmental Protection Agency following their extensive three-year study that proved dioxin to be more toxic than had originally been believed.
  • 1.1 [count noun] Any of the class of compounds to which dioxin belongs.
    More example sentences
    • He said that when you burn any organic matter, which contains chlorine and organic carbon, you get dioxins.
    • They have excavated more than 100,000 cubic metres of fill contaminated with heavy metals, hydrocarbons and dioxins.
    • Other residents will just burn the rubbish in their garden spreading dioxins and other noxious chemicals throughout the countryside.

Origin

early 20th century: from di-1 'two' + ox- 'oxygen' + -in1.

More definitions of dioxin

Definition of dioxin in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space