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Definition of peritonitis noun from the Oxford Advanced Learner's Dictionary

peritonitis

noun

/ˌperɪtəˈnaɪtɪs/

/ˌperɪtəˈnaɪtɪs/

[uncountable] (medical)

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a serious condition in which the inside wall of the body becomes swollen (= larger than normal) and very painful

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See peritonitis in the Oxford Advanced American Dictionary

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noun

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