life expectancy

See more synonyms for life expectancy on Thesaurus.com
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.

Origin of life expectancy

First recorded in 1930–35
Also called expectancy of life.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for life expectancy

longevity, lifetime

Examples from the Web for life expectancy

Contemporary Examples of life expectancy

Historical Examples of life expectancy

  • Height, weight, life-expectancy have fallen perceptibly every decade since then.

    This Crowded Earth

    Robert Bloch

  • In the twentieth century disease lessened and life-expectancy doubled, in certain areas.

    This Crowded Earth

    Robert Bloch


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 individualsAlso 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

life expectancy in Medicine

life expectancy

n.
  1. 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.