norfloxacin

N1O1R1F4L1O1X8A1C3I1N1
UK/nɔːˈflɒk.səs.ɪn/US/nɔɹˈflɑk.səs.ɪn/

noun

A 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.

UncommonScrabble 23

Meanings

nounnorfloxacin (uncountable)
  1. 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

Also see

Origin

From nor- + fl(uor)- + -oxacin (“nalidixic acid derivative”).

Full word history & related roots →
Cite this entry
APA

norfloxacin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/norfloxacin

MLA

“norfloxacin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/norfloxacin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “norfloxacin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/norfloxacin.

Source: norfloxacin on Wiktionary, CC BY-SA 4.0.