# ceftriaxone

> English word · Noun · IPA /ˌsɛftɹaɪˈæksoʊn/

## Definitions
1. A synthetic cephalosporin antibiotic.

## Etymology
From cef- (“cefalosporanic acid derivative”) + tria(zine)[Term?] + -one.

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