rifamycin

== English == === Etymology === From French Rif(ifi) (“a French crime film”) +‎ am(ino)- +‎ -mycin (“antibiotic”). === Noun === rifamycin (uncountable) (pharmacology) Any of a group of antibiotics, a subclass of the ansamycins, which are synthesized either naturally by the bacterium Amycolatopsis mediterranei or artificially. ==== Derived terms ====