Standard Lemma guide

meticillin

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: /ˌmɛt.ɪˈsɪl.ɪn/
  • rhymes with -ɪlɪn

1

noun

Meaning 1

A semisynthetic form of penicillin C17H20N2O6S used especially in the form of its sodium salt against staphylococci which produce penicillinase.

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 methy(l) + -cillin (“6-aminopenicillanic acid derivative”).