life expectancy
nounUK /ˈlaɪf ɪkˌspek.tən.si/
US /ˈlaɪf ɪkˌspek.tən.si/
Life expectancy is how many years a person is likely to live.
Thanks to better medicine, life expectancy has gone up in many countries.
RELATED WORDS
OTHER MEANINGS
2. The average number of years that a thing, such as a machine or product, is expected to last.
The life expectancy of a washing machine is about ten years.
3. The number of years a living thing is expected to survive in a particular place or situation.
The life expectancy of these fish drops sharply in polluted water.
4. The remaining time something is expected to keep working or existing.
Engineers tested the battery's life expectancy under heavy use.