lifespan Meaning in the Cambridge English Dictionary
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Meaning of “lifespan” in the English Dictionary

"lifespan" in British English

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lifespannoun [C]

uk   us   /ˈlaɪf.spæn/
C2 the ​length of ​time for which a ​person, ​animal, or thing ​exists: The averagehuman lifespan in the ​developedcountries has ​increased over the last hundred ​years. The project's lifespan is ​estimated at about five ​years.
(Definition of lifespan from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"lifespan" in Business English

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lifespannoun [C]

uk   us   /ˈlaɪfspæn/
the length of ​time for which something exists or lasts: It is ​batteryoperated and has a lifespan of two to three ​years.over sth's lifespan Water ​entering the reservoir over its lifespan ​adds decaying ​plant matter.
(Definition of lifespan from the Cambridge Business English Dictionary © Cambridge University Press)
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