quinolone

noun

quin·​o·​lone ˈkwi-nə-ˌlōn 

: any of a class of synthetic antibacterial drugs that are derivatives of hydroxylated quinolines and inhibit the replication of bacterial DNA

Examples of quinolone in a Sentence

Recent Examples on the Web

These include quinolones such as Cipro (ciprofloxacin) and tetracyclines such as Doryx (doxycycline). —Megan Nunn, Verywell Health, 8 Apr. 2026

Examples of quinolone antibiotics are Cipro (ciprofloxacin), Levaquin (levofloxacin), and Avelox (moxifloxacin). —Kirstyn Hill, Health, 5 Feb. 2026

Whereas both are composed of a two-ringed nitrogen-containing system, quinolones include a ketone, while fluoroquinolones include a fluorine atom. —New Atlas, 24 July 2024

Zinc can interact with the following medications: blood pressure drugs called ACE inhibitors, quinolone and tetracycline antibiotics, and thiazide diuretics. —Allison Futterman, Discover Magazine, 6 Mar. 2024

Consumers might be most familiar with Cipro, a brand name variation of quinolone antibiotics. —Diana Dasrath, NBC News, 15 Mar. 2023

Word History

Etymology

quinoline + -one

First Known Use

1936, in the meaning defined above

Rhymes for quinolone

• atony
• baloney
• begone
• canzone
• estrone
• fanconi
• mansoni
• moloney
• morone
• ngoni
• pallone
• quinone

Medical Definition

quinolone

noun

quin·​o·​lone ˈkwin-ə-ˌlōn 

: any of a class of synthetic antibacterial drugs that are derivatives of hydroxylated quinolines and inhibit the replication of bacterial DNA

especially : fluoroquinolone