dioxin
di·ox·in/daɪˈɑksən/noun
dioxin is spelled D-I-O-X-I-N: 6 letters and 3 syllables (di·ox·in). It appears about once in every 5 million words in written English, the 66,686th most frequent word form (wordfreq, 2021 data). As a noun, dioxin means “The unsaturated six-membered heterocycle having four carbon atoms, two oxygen atoms, and two double bonds (molecular formula C₄H₄O₂); 1,2-dioxin and…” (English Wiktionary, September 2026).
How many letters and syllables are in dioxin?
| Letters | 6: D-I-O-X-I-N |
|---|---|
| Syllables | 3: di·ox·in |
| In writing | about once in every 5 million words; the 66,686th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is dioxin?
Dioxin appears about once in every 5 million words in written English, the 66,686th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce dioxin?
- UK /daɪˈɒksɪn/
- US /daɪˈɑksən/
Dioxin has 3 syllables, split di·ox·in in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-I_learned_some_phrases-dioxin.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with dioxin?
3 words on PlainSpell end in the same sounds as dioxin from its last stressed vowel (/ɑksən/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
What does dioxin mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 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.
- 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.
- 3
Any of a broad range of toxic or carcinogenic halogenated polycyclic compounds that occur as byproducts of herbicides.
- 4
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.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Dioxin in Spanish, French, German and Portuguese
In the sense any of a broad range of toxic or carcinogenic halogenated polycyclic compounds:
| Language | Words |
|---|---|
| French | dioxine |
| German | Dioxin |
| Portuguese | dioxina |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does dioxin come from?
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.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).