English

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

 

retardation

 noun
noun
BrE BrE//ˌriːtɑːˈdeɪʃn//
 
; NAmE NAmE//ˌriːtɑːrˈdeɪʃn//
 
[uncountable] (formal)
 
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the fact of making the development or progress of something slower synonym delay (2) Many factors can lead to growth retardation in unborn babies.