English

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

 

lifespan

 noun
noun
BrE BrE//ˈlaɪfspæn//
 
; NAmE NAmE//ˈlaɪfspæn//
 
 
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the length of time that something is likely to live, continue or function Worms have a lifespan of a few months.
See the Oxford Advanced American Dictionary entry: lifespan