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

 

aetiology

 noun
(British English)(North American English etiology)noun
BrE BrE//ˌiːtiˈɒlədʒi//
 
; NAmE NAmE//ˌiːtiˈɑːlədʒi//
 
[uncountable](medical)
 
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the scientific study of the causes of disease Word Origin mid 16th cent.: via medieval Latin from Greek aitiologia, from aitia ‘a cause’ + -logia (see -ology).

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