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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