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2017 Word of the Year

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.
Also called expectancy of life.
Origin of life expectancy
1930-1935
First recorded in 1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for life expectancy
Contemporary Examples
Historical Examples
  • And after all, it was only thirty years out of a life expectancy of a hundred and fifty.

    Cost of Living Robert Sheckley
  • But remarriage was common because the life expectancy after birth was about 35 years.

  • If we extended their life expectancy, their best men would live to be of additional use to planet development.

    Adaptation Dallas McCord Reynolds
  • A concomitant of the reduced death rate was an increase in life expectancy.

    Area Handbook for Albania Eugene K. Keefe
  • He also noted an inverse relationship between population density and life expectancy in this species.

British Dictionary definitions for life expectancy

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 called expectation 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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life expectancy in Medicine

life expectancy n.
The number of years that one is expected to live as determined by statistics.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Nearby words for life expectancy

Word Value for life

7
8
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