radioiodine
noun
radioiodine is spelled R-A-D-I-O-I-O-D-I-N-E: 11 letters. It appears about once in every 27 million words in written English, the 157,761st most frequent word form (wordfreq, 2021 data). As a noun, radioiodine means “The radioactive isotope of iodine, 13153I, having a half-life of 8 days; used as a medical tracer” (English Wiktionary, September 2026). The plural of radioiodine is radioiodines.
How many letters and syllables are in radioiodine?
| Letters | 11: R-A-D-I-O-I-O-D-I-N-E |
|---|---|
| In writing | about once in every 27 million words; the 157,761st most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is radioiodine?
Radioiodine appears about once in every 27 million words in written English, the 157,761st 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).
Forms of radioiodine
- radioiodines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does radioiodine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The radioactive isotope of iodine, 13153I, having a half-life of 8 days; used as a medical tracer
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does radioiodine come from?
From radio- + iodine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).