| a gangrenous infection developing in wounds, esp. deep wounds with closed spaces, caused by bacteria that form gases in the subcutaneous tissues. |

| gas gangrene n. 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. |
gas gangrene n.
A form of gangrene occurring in a wound infected with anaerobic bacteria, especially species of Clostridium, and characterized by the presence of gas in the affected tissue and constitutional septic symptoms.