ondansetron
/ɑnˈdæn.səˌtɹɑn/noun
ondansetron is spelled O-N-D-A-N-S-E-T-R-O-N: 11 letters and 4 syllables. It appears about once in every 24 million words in written English, the 148,541st most frequent word form (wordfreq, 2021 data). As a noun, ondansetron means “A carbazole derivative (trademark Zofran), C₁₈H₁₉N₃O, that is a serotonin receptor antagonist administered by injection and by mouth to relieve…” (English Wiktionary, September 2026).
How many letters and syllables are in ondansetron?
| Letters | 11: O-N-D-A-N-S-E-T-R-O-N |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 24 million words; the 148,541st 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 ondansetron?
Ondansetron appears about once in every 24 million words in written English, the 148,541st 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 ondansetron?
- UK /ɒnˈdæn.sə.tɹɒn/
- US /ɑnˈdæn.səˌtɹɑn/
- US /ɑnˈdɑn.səˌtɹɑn/
Ondansetron has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ondansetron mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A carbazole derivative (trademark Zofran), C₁₈H₁₉N₃O, that is a serotonin receptor antagonist administered by injection and by mouth to relieve nausea and vomiting, especially during cancer therapy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does ondansetron come from?
Probably from ond- (of unknown origin) + se(ro)t(onin) r(eceptor) an(tag)on(ist).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).