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Word of the Day Wednesday, June 10, 2026

peritoneum

/pərɪˈtɪniəm/ noun · British & US
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What does peritoneum mean?

noun

A membrane that lines the abdominal cavity and surrounds the abdominal organs. It is a thin, transparent layer of tissue that helps to protect and support the organs.

Example

"The surgeon carefully examined the peritoneum to check for any signs of inflammation."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for peritoneum

Rhymes with peritoneum

Etymologically related