rifampin

R1I1F4A1M3P3I1N1
US/ɹɪˈfæm.pɪn/

A form of rifampicin — A reddish-brown semisynthetic antibiotic C₄₃H₅₈N₄O₁₂ obtained from the bacterium Amycolaptosis mediterranei, used chiefly to treat tuberculosis, leprosy, and asymptomatic carriers of meningococci.

Similar
RifadinRimactane
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Meanings

nounrifampin (countable and uncountable, plural rifampins)

plural rifampins

  1. UScountableuncountablemedicineUS form of rifampicin.

Synonyms & antonyms

nounan antibacterial drug (trade names Rifadin and Rimactane) used to treat tuberculosis

Similar
RifadinRimactane
Broader
antibacterialantibacterial drugbactericide

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

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

MLA

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

Chicago

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

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