per‧i‧to‧ni‧tis /ˌperətəˈnaɪtəs, ˌperɪtəˈnaɪtəs $ -tnˈaɪ-/
noun [uncountable] technical[
Date: 1700-1800;
Origin: peritoneum 'inside wall of the abdomen' (16-21 centuries) (from Late Latin, from Greek) + -itis]
a serious condition in which the inside wall of someone’s
abdomen (=part around and below your stomach) becomes infected and painful
[TahlilGaran] Dictionary of Contemporary English ▲