colistin


co·lis·tin

noun \kə-ˈlis-tən, kō-\

Definition of COLISTIN

:  a polymyxin produced by a bacterium (Bacillus polymyxa var. colistinus) from Japanese soil

Origin of COLISTIN

New Latin colistinus, specific epithet of the bacterium producing it
First Known Use: 1951

co·lis·tin

noun \kə-ˈlis-tən, kō-\   (Medical Dictionary)

Medical Definition of COLISTIN

: a polymyxin produced by a bacterium of the genus Bacillus (B. polymyxa var. colistinus) and used against some gram-negative pathogens especially of the genera Pseudomonas, Escherichia, Klebsiella, and Shigella

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