life expectancy

noun

Definition of life expectancy

:the average life span of an individual

Examples of life expectancy in a Sentence

  1. improvements in diet that have resulted in greater life expectancy for many people

  2. calculating the life expectancies of different social groups

First Known Use of life expectancy

1848


LIFE EXPECTANCY Defined for English Language Learners

life expectancy

noun

Definition of life expectancy for English Language Learners

  • : the average number of years that a person or animal can expect to live


Medical Dictionary

life expectancy

noun

medical Definition of life expectancy

:an expected number of years of life based on statistical probability

Law Dictionary

life expectancy

noun

legal Definition of life expectancy

:the average life span of an individual

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