life span

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noun
  1. the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it.

  2. the longevity of an individual.

Origin of life span

1
First recorded in 1915–20

Words Nearby life span

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How to use life span in a sentence

British Dictionary definitions for life span

life span

noun
  1. the period of time during which a human being, animal, machine, etc, may be expected to live or function under normal conditions

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