Definition of colistin

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< coliseum

colitis >

co·lis·tin

-l

n, k

-) KEY

NOUN:

An antibiotic produced by the bacterium Bacillus polymyxa or B. colistinus that is effective against a wide range of gram-negative bacteria and is used especially in the treatment of infections of the gastrointestinal tract.

ETYMOLOGY:
From New Latin Colistnus, species name, from coli-

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