American Dictionary

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Definition lifespan in American English

lifespan noun

[countable] noun
/ˈlaɪfˌspæn/
1

the length of time that a person or animal lives or is expected to live

Example

The natural lifespan of a pig is 10-12 years.

Synonyms and related words
2

the length of time that something continues to exist or to be good enough to use

Example

Most pop groups have a very short lifespan.

Synonyms and related words
Definition lifespan in American English