lifespan

noun
     
life‧span W3 [countable]
the average length of time that someone will live or that something will continue to work [↪ lifetime]:
Men have a shorter lifespan than women.
a lifespan of 5 days/10 years etc
A TV set has an average lifespan of 11 years.

Dictionary results for "lifespan"
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.