Definition of hepatitis noun from the Oxford Advanced American Dictionary

 

hepatitis

 noun
noun
NAmE//ˌhɛpəˈtaɪt̮əs//
 
[uncountable]
 
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a serious disease of the liver. There are three main forms:hepatitis A(the least serious, caused by infected food),hepatitis B, andhepatitis C(both very serious and caused by infected blood).
See the Oxford Advanced Learner's Dictionary entry: hepatitis