iodine
/ˈaɪ.əˌdaɪnnoun, verb
iodine is spelled I-O-D-I-N-E: 6 letters and 3 syllables. It appears 1.5 times per million words in written English, the 22,651st most frequent word form (wordfreq, 2021 data). As a noun, iodine means “A chemical element (symbol: I) with an atomic number of 53; one of the halogens” (English Wiktionary, September 2026). The plural of iodine is iodines.
How many letters and syllables are in iodine?
| Letters | 6: I-O-D-I-N-E |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 1.5 times per million words; the 22,651st most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is iodine?
Iodine appears 1.5 times per million words in written English, the 22,651st 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 iodine?
- /ˈaɪ.əˌdaɪn
- -dɪn
- -diːn/
Iodine has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-uk-iodine.ogg, LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-iodine.wav, En-us-iodine.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of iodine
- iodines plural, present, singular, he/she/it
- iodining participle, present
- iodined participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does iodine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A chemical element (symbol: I) with an atomic number of 53; one of the halogens.
- 2
An antiseptic incorporating the element.
- 3
obsoleteAn iodide.
verb
- 1
to treat with iodine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Iodine in Spanish, French, German and Portuguese
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 iodine come from?
From French iode + -ine, from Ancient Greek ἰοειδής (ioeidḗs, “violet”). Coined by British chemist Humphry Davy in 1814.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).