Peritonitis with gas-forming organisms or with gas introduced from a ruptured bowel. ... Origin: pyo-+ G. Pneuma, air, + peritonitis ... (05 Mar 2000) ... 
(pi″o-noo″mo-per″ĭ-to-ni´tis) peritonitis with the presence of pus and gas.
Type: Term Pronunciation: pī′ō-nū′mō-per′i-tō-nī′tis Definitions: 1. Peritonitis with gas-forming organisms or with gas introduced from a ruptured bowel.