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

 

prevalence

 noun
noun
BrE BrE//ˈprevələns//
 
; NAmE NAmE//ˈprevələns//
 
[uncountable](formal)
 
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the fact of existing or being very common at a particular time or in a particular place an increase in the prevalence of smoking among young people