单词	quinolone
释义	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 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 Word History Etymology quinoline + -one First Known Use 1936, in the meaning defined above 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
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