Akademik

life-time
noun
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

Syn: ↑life, ↑lifetime, ↑lifespan
Derivationally related forms: ↑lifer (for: ↑life)
Hypernyms: ↑time period, ↑period of time, ↑period
Hyponyms: ↑afterlife, ↑hereafter
Part Meronyms:
birth, ↑death, ↑dying, ↑demise, ↑time of life, ↑age, ↑eld

Useful english dictionary. 2012.