lifespan

life span or life·span (lfspn)

n.

1. A lifetime.

2. The average or maximum length of time an organism, material, or object can be expected to survive or last.

Thesaurus

Noun

1.

lifespan - the period during which something is functional (as between birth and death); "the battery had a short life"; "he lived a long and happy life" life-time, lifetime, life period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period" birth - the time when something begins (especially life); "they divorced after the birth of the child"; "his election signaled the birth of a new age" demise, dying, death - the time when something ends; "it was the death of all his plans"; "a dying of old hopes" afterlife, hereafter - life after death time of life - a period of time during which a person is normally in a particular life state eld, age - a time of life (usually defined in years) at which some particular qualification or power arises; "she was now of school age"; "tall for his eld"