gas gangrene

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Gangrene occurring in a wound infected with bacteria of the genus Clostridium, especially C. perfringens, and characterized by the presence of gas in the affected tissue.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (pathology) a deadly form of gangrene usually caused by clostridium bacteria that produce toxins that cause tissue death; can be used as a bioweapon