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English definition of “peritonitis”

peritonitis

noun [U]     /ˌper.ɪ.təˈnaɪ.tɪs/ US  /-t̬əˈnaɪ.t̬ɪs/ specialized
a serious medical condition in which the inside wall of the abdomen (= lower part of the body containing the stomach and other organs) becomes very sore and larger than its usual size, especially because of infectionDigestive disorders
(Definition of peritonitis noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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