Meaning of the word "life span" in English

What does "life span" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

life span

US /ˈlaɪfˌspæn/
UK /ˈlaɪfˌspæn/

Noun

the length of time for which a person, animal, or thing exists or functions

Example:
The average human life span has increased significantly over the past century.
Some insects have a very short life span.