Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

life expectancy

noun [U]  /ˈlɑɪf ɪkˌspek·tən·si/

Definition

social studies the average length of the life of members of a group of people or animals
(Definition of life expectancy noun from the Cambridge Academic Content Dictionary © Cambridge University Press)

“life expectancy” in other dictionaries

Word of the Day

spurn

to refuse to accept something or someone because you feel that they are not worth having

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More