life span
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noun
the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it.
the longevity of an individual.
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Origin of life span
First recorded in 1915–20
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use life span in a sentence
British Dictionary definitions for life span
life span
noun
the period of time during which a human being, animal, machine, etc, may be expected to live or function under normal conditions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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