# amoxicillin

> English word · Noun · IPA /əˌmɒk.sɪˈsɪl.ɪn/ · frequency rank #69,638

## Definitions
1. A moderate-spectrum, bacteriolytic beta-lactam antibiotic with the formula C₁₆H₁₉N₃O₅S, closely related to ampicillin.

## Etymology
From am(picillin) + (hydr)oxy + -cillin.

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