Learn how to say Rifamycins correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word rifampicin:
[mass noun] Medicine
a reddish-brown antibiotic used chiefly to treat tuberculosis and leprosy.
The antibiotic is obtained from the bacterium Nocardia mediterranei
1960s: from rifamycin (an antibiotic first isolated from the bacterium Streptomyces mediterranei) + the insertion of pi- from piperazine