Standard Lemma guide

penciclovir

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /pɛnˈsaɪ.kloʊˌvɪɹ/

1

noun

Meaning 1

A guanine analogue antiviral drug C10H15N5O3 that is used mostly topically for the treatment of recurrent herpes labialis.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From (iso)pen(tyl) + -ciclovir (“bicyclic heterocycle compound”).