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View synonyms for

life expectancy

noun

  1. the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation.


life expectancy

noun

  1. the statistically determined average number of years of life remaining after a specified age for a given group of individuals Also calledexpectation of life
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of life expectancy1

First recorded in 1930–35
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Example Sentences

Examples have not been reviewed.

A woman with stage four brain cancer who has outlasted her doctors' life expectancy predictions has completed the London Marathon.

From

A new health and wellbeing strategy is being launched, in a bid to improve life expectancy for those living in less affluent areas of a Surrey borough.

From

An ancient oak felled in a north London park by Toby Carvery's owners was classified last year as a "fine specimen" with a life expectancy of at least 50 years, planning documents show.

From

Since then, average life expectancy in the U.S. has only dropped further.

From

Life was short in the mid-1800s, with the life expectancy of most white Americans only 39 years.

From

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