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单词 life expectancy
释义

life expectancy

SEE SYNONYMS FOR life expectancy ON THESAURUS.COM

noun

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

First recorded in 1930–35

Words nearby life expectancy

life-care, lifecast, life coach, life cycle, life estate, life expectancy, life float, life force, life form, lifeful, life-giving
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for life expectancy

  • “Baby boomers are getting older, which means that they may not have a pet because of life-expectancy issues,” she says.

    Enterpreneurs Create Apps and Web-Based Businesses to Appeal to Dog Owners|Miranda Green|May 30, 2013|DAILY BEAST
  • 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

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

Medical definitions for life expectancy

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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更新时间:2025/1/11 16:30:13