nitrofurantoin

N1I1T1R1O1F4U1R1A1N1T1O1I1N1
UK/ˌnʌɪ.tɹə(ʊ).fjʊˈɹan.təʊ.ɪn/US/ˌnaɪ.tɹoʊ.fjʊˈɹæn.toʊ.ɪn/

noun

A synthetic nitrofuran drug, 1-(5-nitro-2-furfurylideneamino)hydantoin, that is a broad-spectrum antimicrobial agent used in the treatment on urinary tract infections such as cystitis.

Similar
Macrodantin
UncommonScrabble 17
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Meanings

nounnitrofurantoin (uncountable)
  1. uncountablemedicineA synthetic nitrofuran drug, 1-(5-nitro-2-furfurylideneamino)hydantoin, that is a broad-spectrum antimicrobial agent used in the treatment on urinary tract infections such as cystitis.

Synonyms & antonyms

nounderivative of nitrofuran used as an antibacterial medicine (trade name Macrodantin) effective against a broad range of Gram-positive and Gram-negative bacteria; used to treat infections of the urinary tract

Similar
Macrodantin
Broader
antibacterialantibacterial drugbactericide

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Blend of nitrofuran + hydantoin.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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