Learn how to say Polymyxins correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word polymyxin:
any of a group of polypeptide antibiotics that are active chiefly against Gram-negative bacteria.
Polymyxins are obtained from soil bacteria of the genus Bacillus, in particular B. polymyxa
1940s: from modern Latin polymyxa, from Greek polu- ‘much’ + muxa ‘slime’ + -in1