norfloxacin
/nɔːˈflɒksəsɪn/Pharmacology
noun
A synthetic antibiotic structurally related to nalidixic acid, which is used especially for the treatment of bacterial infections of the urinary tract; 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid, C16H18FN3O3.
Origin
1980s; earliest use found in Infection. From nor- + fl- (in fluoro-) + oxo- + -acin.