also life span
(~s)
1.
The ~ of a person, animal, or plant is the period of time for which they live or are normally expected to live.
A 15-year ~ is not uncommon for a dog...
N-VAR: oft with poss
2.
The ~ of a product, organization, or idea is the period of time for which it is expected to work properly or to last.
Most boilers have a ~ of 15 to 20 years.
N-COUNT: oft with poss