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

 

appendicitis

 noun
noun
BrE BrE//əˌpendəˈsaɪtɪs//
 
; NAmE NAmE//əˌpendəˈsaɪtɪs//
 
[uncountable]
 
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a painful swelling of the appendix that can be very serious
See the Oxford Advanced American Dictionary entry: appendicitis