efavirenz
/ɛˈfæv.ɪˌɹɛnz/noun
efavirenz is spelled E-F-A-V-I-R-E-N-Z: 9 letters and 4 syllables. It appears about once in every 28 million words in written English, the 161,690th most frequent word form (wordfreq, 2021 data). As a noun, efavirenz means “A nonnucleoside reverse-transcriptase inhibitor C₁₄H₉ClF₃NO₂ that is administered orally with other antiretroviral agents in the treatment of type-1…” (English Wiktionary, September 2026).
How many letters and syllables are in efavirenz?
| Letters | 9: E-F-A-V-I-R-E-N-Z |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 28 million words; the 161,690th 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 efavirenz?
Efavirenz appears about once in every 28 million words in written English, the 161,690th 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 efavirenz?
- US /ɛˈfæv.ɪˌɹɛnz/
- US /ˌɛf.əˈvaɪˌɹɛnz/
Efavirenz 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 efavirenz mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A nonnucleoside reverse-transcriptase inhibitor C₁₄H₉ClF₃NO₂ that is administered orally with other antiretroviral agents in the treatment of type-1 HIV infection.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you abbreviate efavirenz?
Wiktionary records one abbreviation of efavirenz: EFV.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does efavirenz come from?
Probably from ef (“fluorine”) + -a- + -vir- (“antiviral”) + (b)enz(oxazinone).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).