# cefonicid

> English word · Noun

## Definitions
1. A cephalosporin antibiotic.

## Etymology
From cef- (“cefalosporanic acid derivative”) + (sul)fonic (a)cid.

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