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polymyxin

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noun poly·myx·in \ˌpä-lē-ˈmik-sən\

Definition of polymyxin

  1. :  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


First Known Use: 1947


Medical Dictionary

polymyxin

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noun poly·myx·in \ˌpäl-i-ˈmik-sən\

Medical Definition of polymyxin

  1. :  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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