Definition of pneumoperitoneum in English:

pneumoperitoneum

noun

Medicine
  • 1The presence of air or gas in the peritoneal cavity (usually as a result of perforation of a hollow viscus).

  • 2More fully "artificial pneumoperitoneum". The deliberate introduction of air or gas into the peritoneal cavity, as a diagnostic or therapeutic procedure (now chiefly as an aid to laparoscopy); the condition created by this.

Origin

Late 19th century. From pneumo- + peritoneum.

Pronunciation

pneumoperitoneum

/ˌnjuːməʊˌpɛrɪtəˈniːəm/