lifespan
noun
life·span
ˈlīf-ˌspan 
variants
or less commonly life span
plural lifespans also life-spans
1
: the average length of life of a kind of organism or of a material object especially in a particular environment or under specified circumstances
2
: the duration of existence of an individual
Examples of lifespan in a Sentence
the average lifespan of house cats
increase the human lifespan
Recent Examples on the Web
So, for maximum lifespan make sure to store them in the back.
—
Stacey Leasca, Southern Living, 24 Nov. 2025
In addition, the enhanced crystallinity of the carbon simultaneously improves the electrode’s durability and extends the battery’s lifespan.
—Mrigakshi Dixit, Interesting Engineering, 24 Nov. 2025
Born on November 22, 1973, Hannah Shirley is now twice as old as most members of her species, having well outlived the typical 25–30 year lifespan of pygmy hippos in the wild.
—Maria Azzurra Volpe, MSNBC Newsweek, 21 Nov. 2025
Eating higher amounts of ultraprocessed food may shorten lifespan by more than 10%.
—Katia Hetter, CNN Money, 21 Nov. 2025
But what is consistent is that every studio and decision-maker is using gobs of data and forecasting out a movie’s value not just in the lifespan of its run in theaters, but for as much as seven to 10 years in advance.
—Brian Welk, IndieWire, 20 Nov. 2025
Cheney’s passing provides an opportunity to reflect on the rapid evolution in medical technology, especially in the past half-century, that improved the lifespan and overall quality of life for Cheney, as well as millions of heart patients around the world.
—William Cornwell, The Conversation, 19 Nov. 2025
Cotton Incorporated’s development of water-repellent and abrasion-resistant technologies, including Storm Cotton for water resistance and Tough Cotton for durability, help reduce waste and extend product lifespan.
—Lauren Parker, Sourcing Journal, 18 Nov. 2025
Adaptive Power could extend the lifespan of your iPhone just by updating to iOS 26.
—Kurt Knutsson, FOXNews.com, 17 Nov. 2025
Examples are automatically compiled from online sources to
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Stacey Leasca, Southern Living, 24 Nov. 2025
In addition, the enhanced crystallinity of the carbon simultaneously improves the electrode’s durability and extends the battery’s lifespan.
—Mrigakshi Dixit, Interesting Engineering, 24 Nov. 2025
Born on November 22, 1973, Hannah Shirley is now twice as old as most members of her species, having well outlived the typical 25–30 year lifespan of pygmy hippos in the wild.
—Maria Azzurra Volpe, MSNBC Newsweek, 21 Nov. 2025
Eating higher amounts of ultraprocessed food may shorten lifespan by more than 10%.
—Katia Hetter, CNN Money, 21 Nov. 2025
But what is consistent is that every studio and decision-maker is using gobs of data and forecasting out a movie’s value not just in the lifespan of its run in theaters, but for as much as seven to 10 years in advance.
—Brian Welk, IndieWire, 20 Nov. 2025
Cheney’s passing provides an opportunity to reflect on the rapid evolution in medical technology, especially in the past half-century, that improved the lifespan and overall quality of life for Cheney, as well as millions of heart patients around the world.
—William Cornwell, The Conversation, 19 Nov. 2025
Cotton Incorporated’s development of water-repellent and abrasion-resistant technologies, including Storm Cotton for water resistance and Tough Cotton for durability, help reduce waste and extend product lifespan.
—Lauren Parker, Sourcing Journal, 18 Nov. 2025
Adaptive Power could extend the lifespan of your iPhone just by updating to iOS 26.
—Kurt Knutsson, FOXNews.com, 17 Nov. 2025
Cite this Entry
“Lifespan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifespan. Accessed 30 Nov. 2025.
Copy CitationMedical Definition
lifespan
noun
variants
also life span
1
: the duration of existence of an individual
2
: the average length of life of a kind of organism or of a material object especially in a particular environment or under specified circumstances
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