Word.ws English Dictionary

rifampin

US/ɹɪˈfæm.pɪn/

rifampin is the US form of rifampicin.

Meaning of rifampicin

Noun

rifampicin (countable and uncountable, plural rifampicins)

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

Forms of rifampin

pluralrifampins

Questions about rifampin

What is rifampin the US form of?
Rifampin is the US form of rifampicin.
How do you pronounce rifampin?
Rifampin is pronounced /ɹɪˈfæm.pɪn/ (US).

Words near rifampin in the dictionary

  1. rifametane
  2. rifamide
  3. rifamides
  4. rifampicin
  5. rifampicins
  6. rifampin
  7. rifampins
  8. rifamycin
  9. rifamycins
  10. rifapentene
  11. rifapentine

Source and license

Adapted from Wiktionary: rifampin (page history and authors); rifampicin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “rifampin.” Word.ws, https://word.ws/rifampin. Based on Wiktionary, CC BY-SA 4.0.