pneumoperitoneum
noun
pneu·mo·peri·to·ne·um
-ˌper-ət-ᵊn-ˈē-əm 
plural pneumoperitoneums or pneumoperitonea
-ˈē-ə
1
: an abnormal state characterized by the presence of gas (as air) in the peritoneal cavity
2
: the induction of pneumoperitoneum as a therapeutic measure or as an aid to radiography
Cite this Entry
“Pneumoperitoneum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pneumoperitoneum. Accessed 31 Oct. 2025.
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