Definition, Meaning & Synonyms
lifespan
noun
/ˈlaɪf.spæn/
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Definition
The length of time for which a person, animal, or thing exists.
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Examples
- The average lifespan of a house cat is around 15 years.
- Scientists study the lifespan of trees to understand their ecosystems.
- Advancements in medicine have increased the human lifespan significantly over the past century.
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Meaning
Lifespan refers to the duration of life or the period that someone or something lives or functions.
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Synonyms
- duration
- lifetimes
- existence
- longevity