: 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 WebSome 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.