polymyxin(redirected from Polymixin)
Also found in: Thesaurus, Medical, Encyclopedia.
Any of various mainly toxic antibiotics derived from strains of the soil bacterium Bacillus polymyxa and used to treat various infections with gram-negative bacteria.
(Pharmacology) any of several polypeptide antibiotics active against Gram-negative bacteria, obtained from the soil bacterium Bacillus polymyxa
[C20: from New Latin Bacillus polymyxa; see poly-, myxo-, -in]
Switch to new thesaurus
|Noun||1.||polymyxin - any of several toxic antibiotics obtained from a particular soil bacterium|