quinolone

noun

quin·​o·​lone ˈkwi-nə-ˌlōn How to pronounce quinolone (audio)
: any of a class of synthetic antibacterial drugs that are derivatives of hydroxylated quinolines and inhibit the replication of bacterial DNA

Example Sentences

Recent Examples on the Web Ciprofloxacin is a type of antibiotic called a quinolone, and these drugs were used a lot when they were first released. Dr. Keith Roach, oregonlive, 7 Apr. 2022 Some of the bacteria had genes that confer resistance to quinolone and macrolide antibiotics and certain beta-lactams. Andrew Joseph, STAT, 17 Apr. 2018 Other antibiotics found to raise the risk of miscarriage include most macrolides, quinolones, tetracyclines, sulfonamides and metronidazole. Paul Sisson, sandiegouniontribune.com, 2 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quinolone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

quinoline + -one

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of quinolone was in 1936

Dictionary Entries Near quinolone

Cite this Entry

“Quinolone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quinolone. Accessed 21 Mar. 2023.

Medical Definition

quinolone

noun
quin·​o·​lone ˈkwin-ə-ˌlōn How to pronounce quinolone (audio)
: any of a class of synthetic antibacterial drugs that are derivatives of hydroxylated quinolines and inhibit the replication of bacterial DNA
especially : fluoroquinolone

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