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

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

First Known Use: 1947

Medical Dictionary

noun poly·myx·in \ˌpäl-i-ˈmik-sən\

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

Next Word in the Dictionary: polyneePrevious Word in the Dictionary: polymythyAll Words Near: polymyxin

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