Definition of life span in English:

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life span

(also lifespan)

noun

The length of time for which a person or animal lives or a thing functions: the human life span
More example sentences
  • As humans lengthened lifespans with better nutrition and hunting skills, childhood also lengthened.
  • They are slow-breeding and long-lived animals, achieving lifespans of 70 years or so.
  • I suggested that extending human lifespans might lead to extended creativity.

For editors and proofreaders

Syllabification: life span

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