Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “life expectancy”

life expectancy

noun [U]  /ˈlɑɪf ɪkˌspek·tən·si/ us  
social studies the average length 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)
What is the pronunciation of life expectancy?
Add Cambridge dictionaries to your browser to your website

Definitions of “life expectancy” in other dictionaries

Word of the Day

debut

the occasion when someone performs or presents something to the public for the first time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More