a derivative, CHNO, of an antibiotic prepared from a culture of soil bacteria (Streptomyces mediterranei), used in treating tuberculosis, spinal meningitis, etc. by inhibiting the RNA synthesis of the bacteria
Origin of rifampinfrom rifamycin ( from rifa- from uncertain or unknown; perhaps + -mycin), an antibiotic derived from a fungus
A semisynthetic antibiotic, C43H58N4O12, that is derived from a form of rifamycin and interferes with bacterial RNA synthesis, used to treat tuberculosis and other bacterial infections. Also called rifampicin .
Origin of rifampinrif(omycin) a(mino-) m(ethyl) p(iperazine) -in