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English definition of “peritonitis”

peritonitis

noun [U] uk   /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 infection
(Definition of peritonitis from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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