(1) (Science: chemical) A semisynthetic antibiotic used in treatment of tuberculosis.
Pharmacological action: antibiotics, antitubercular, leprostatic agents.
Chemical name: Rifamycin, 3-(4-methyl-1-piperazinyl)imino)methyl)-
(2) A drug used in the treatment of infections caused by bacteria. It belongs to the family of drugs called antibiotics.