naltrexone
/nælˈtɹɛkˌsoʊn/noun
naltrexone is spelled N-A-L-T-R-E-X-O-N-E: 10 letters and 3 syllables. It appears about once in every 7 million words in written English, the 81,375th most frequent word form (wordfreq, 2021 data). As a noun, naltrexone means “A synthetic drug, similar to morphine, which blocks opiate receptors in the nervous system and is used chiefly in the treatment of heroin addiction” (English Wiktionary, September 2026).
How many letters and syllables are in naltrexone?
| Letters | 10: N-A-L-T-R-E-X-O-N-E |
|---|---|
| Syllables | 3 (from its pronunciation) |
| In writing | about once in every 7 million words; the 81,375th 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 naltrexone?
Naltrexone appears about once in every 7 million words in written English, the 81,375th 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 naltrexone?
- UK /nælˈtɹɛk.səʊn/
- US /nælˈtɹɛkˌsoʊn/
Naltrexone has 3 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does naltrexone mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A synthetic drug, similar to morphine, which blocks opiate receptors in the nervous system and is used chiefly in the treatment of heroin addiction.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does naltrexone come from?
Probably from naloxone + Latin tres (“three”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).