1. (noun)gas gangrene, clostridial myonecrosis, emphysematous gangrene, emphysematous phlegmon, gangrenous emphysema, gas phlegmon, progressive emphysematous necrosis (pathology) a deadly form of gangrene usually caused by clostridium bacteria that produce toxins that cause tissue death; can be used as a bioweapon Synonyms: clostridial myonecrosis, progressive emphysematous necrosis, emphysematous phlegmon, emphysematous gangrene, gangrenous emphysema, gas gangrene, gas phlegmon
Synonyms and Antonyms of gas phlegmon 
