# phenoxymethylpenicillin

> English word · Noun · IPA /fɪˌnɒk.sɪ.miː.θʌɪl pɛn.ɪˈsɪl.ɪn/

## Definitions
1. A crystalline nonhygroscopic acid that is a semisynthetic form of penicillin, used in the form of its sodium or potassium salt C₁₆H₁₇KN₂O₅S, and has antibacterial action similar to benzylpenicillin and is more resistant to inactivation by gastric acids; 6-phenoxyacetamidopenicillanic acid, C₁₇H₂₀N₂O₆S.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phenoxymethylpenicillin