# tetracycline

> English word · Noun · IPA /ˌtɛ.tɹəˈsaɪ.kliːn/ · frequency rank #54,529

## Definitions
1. A yellow crystalline broad-spectrum antibiotic C₂₂H₂₄N₂O₈ produced by streptomyces or synthetically.
2. Any of a large group of antibiotics with the same general structure derived from tetracene with many hydroxyl and other groups.

## Etymology
From tetracyclic + -ine.

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