polymyxin

noun poly·myx·in \ ˌpä-lē-ˈmik-sən \

Definition of polymyxin

:any of several toxic antibiotics obtained from a soil bacterium (Bacillus polymyxa) and active against gram-negative bacteria

Origin and Etymology of polymyxin

International Scientific Vocabulary, from New Latin polymyxa, from poly- + Greek myxa mucus — more at mucus


Medical Dictionary

polymyxin

noun poly·myx·in \ ˌpäl-i-ˈmik-sən \

medical Definition of polymyxin

:any of several toxic antibiotics obtained from a soil bacterium of the genus Bacillus (B. polymyxa) and active against gram-negative bacteria

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