life expectancy Definition in the Cambridge English Dictionary
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Definition of “life expectancy” - English Dictionary

Definition of "life expectancy" - American English Dictionary

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life expectancynoun [U]

 us   /ˈlɑɪf ɪkˌspek·tən·si/
social studies the ​averagelength of the life of ​members of a ​group of ​people or ​animals
(Definition of life expectancy from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "life expectancy" - British English Dictionary

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life expectancynoun [C usually singular or U]

uk   us  
the ​length of ​time that a ​living thing, ​especially a ​human being, is ​likely to ​live: Life ​expectancy in ​Europeincreasedgreatly in the 20th ​century.
(Definition of life expectancy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "life expectancy" - Business English Dictionary

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life expectancynoun [C or U]

uk   us  
(also expectation of life) the length of ​time that a ​person is likely to ​live: Life ​expectancy is the ​majorfactorinfluencingseniorlifeinsurancepremiums.
the length of ​time that something such as an ​electricalproduct is likely to last: As ​technology becomes more sophisticated, the ​lifeexpectancy of ​householdgadgets seems to ​diminish.
(Definition of life expectancy from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “life expectancy”
in Chinese (Simplified) (尤指人的)预期寿命…
in Turkish ömür, yaşam süresi…
in Russian вероятная продолжительность жизни…
in Chinese (Traditional) (尤指人的)預期壽命…
in Polish średnia długość życia…
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