Definition, Meaning & Synonyms
lifespan
noun
/ˈlaɪf.spæn/
Definition
The length of time for which a person, animal, or thing exists.
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.
Meaning
Lifespan refers to the duration of life or the period that someone or something lives or functions.
Synonyms
- duration
- lifetimes
- existence
- longevity