Definition of diphtheria noun from the Oxford Advanced American Dictionary

 

diphtheria

 noun
noun
NAmE//dɪfˈθɪriə//
 
, NAmE//dɪpˈθɪriə//
 
[uncountable]
 
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a serious infectious disease of the throat that causes difficulty in breathing
See the Oxford Advanced Learner's Dictionary entry: diphtheria