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

 

dyspepsia

 noun
noun
BrE BrE//dɪsˈpepsiə//
 
; NAmE NAmE//dɪsˈpepʃə//
 
[uncountable](medical)
 
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pain caused by difficulty in digesting food synonym indigestion Word Origin early 18th cent.: via Latin from Greek duspepsia, from duspeptos ‘difficult to digest’.
See the Oxford Advanced American Dictionary entry: dyspepsia