Meanings
- uncountablemedicineA synthetic fluoroquinolone antibiotic structurally related to nalidixic acid, which is used topically to treat conjunctivitis and orally 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.
Synonyms & antonyms
Origin
From nor- + fl(uor)- + -oxacin (“nalidixic acid derivative”).
Full word history & related roots →Cite this entry
norfloxacin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/norfloxacin
“norfloxacin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/norfloxacin. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “norfloxacin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/norfloxacin.
Source: norfloxacin on Wiktionary, CC BY-SA 4.0.