life-time

Từ điển WordNet v3.1 - WordNet Dictionary

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