RhymeZone: rifampicin definitions

Definitions of rifampicin:

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

(Definitions from Wiktionary)