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aciclovir

/eɪˈsaɪ.kloʊˌvɪɹ/noun

aciclovir is a noun meaning “A cyclic synthetic nucleoside C₈H₁₁N₅O₃ used as an antiviral drug (trademarks Avirax, Zovirax) chiefly in the treatment of chicken pox, shingles, the…” (English Wiktionary, September 2026). It is spelled A-C-I-C-L-O-V-I-R and has 4 syllables, and it appears about once in every 46 million words in written English (wordfreq, 2021 data).

What does aciclovir mean?

noun

  1. 1

    A cyclic synthetic nucleoside C₈H₁₁N₅O₃ used as an antiviral drug (trademarks Avirax, Zovirax) chiefly in the treatment of chicken pox, shingles, the genital form of herpes simplex, and AIDS.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce aciclovir?

  • UK /eɪˈsaɪ.klə(ʊ)ˌvɪə/
  • US /eɪˈsaɪ.kloʊˌvɪɹ/
  • US /eɪˈsaɪ.kləˌvɪɹ/

Aciclovir has 4 syllables (counted from the pronunciation).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of aciclovir

  • acyclovir
  • acycloguanosine

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is aciclovir?

Aciclovir appears about once in every 46 million words in written English, the 209,386th 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).

Aciclovir in Spanish, French, German and Portuguese

In the sense Translations:

LanguageWords
Frenchacyclovir
GermanAciclovir
Portugueseaciclovir

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 aciclovir come from?

From acyclo(guanosine) + -vir (“antiviral”). Analyzable as a- + cyclo- + -vir.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).