Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun polymyxin

1 sense of polymyxin

Sense 1
polymyxin -- (any of several toxic antibiotics obtained from a particular soil bacterium)
       => antibiotic, antibiotic drug -- (a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections; "when antibiotics were first discovered they were called wonder drugs")