noun · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/daɪˈɒksɪn/
Received-Pronunciation:Recorded audio is listed in the source snapshot.
General-American:/daɪˈɑksən/
rhymes with -ɒksɪn
CMU ARPABET:D AY2 AA1 K S IH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The unsaturated six-membered heterocycle having four carbon atoms, two oxygen atoms, and two double bonds (molecular formula C4H4O2); 1,2-dioxin and 1,4-dioxin.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The parent compound dibenzo-1,4-dioxin or dibenzo-p-dioxin (molecular formula C12H8O2), in which two benzene rings are connected through two oxygen atoms; dibenzodioxin, oxanthrene.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
Any of a broad range of toxic or carcinogenic halogenated polycyclic compounds that occur as byproducts of herbicides.
The compound 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; molecular formula C12H4Cl4O2), a persistent organic pollutant of the environment which is generally produced as a byproduct of organic synthesis or when organic materials are burned.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: hydrocarbon
History
Etymology
PIE word *dwóh1 From di- (prefix meaning ‘double; two’) + ox(ygen) + -in (suffix indicating a neutral chemical compound), a reference to the fact that the compound has two oxygen atoms.
Across languages
Translations
20 source translations are retained for this English entry.
Bulgarian:
диокси́н
(dioksín)
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Chinese Mandarin:
二噁英 /二𫫇英
(èr'èyīng)
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Danish:
dioxin
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Finnish:
dioksiini
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
French:
dioxine
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
German:
Dioxin
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Hebrew:
דיאוקסין
(dioksín)
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Hungarian:
dioxin
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Japanese:
ダイオキシン
(daiokishin)
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Kazakh:
диоксин
(dioksin)
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Korean:
다이옥신
(daioksin)
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Latvian:
dioksīns
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Norwegian Bokmål:
dioksin
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Norwegian Nynorsk:
dioksin
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Polish:
dioksyna
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Portuguese:
dioxina
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Romanian:
dioxină
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Russian:
диоксин
(dioksin)
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Swedish:
dioxin
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds
Turkish:
dioksin
— any of a broad range of toxic or carcinogenic halogenated polycyclic compounds