noun see: mucus Date: 1947 any of several toxic antibiotics obtained from a soil bacterium ( Bacillus polymyxa ) and active against gram-negative bacteria
POLYMYXIN
Meaning of POLYMYXIN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012