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
Synonyms
Examples of lifespan in a Sentence
the average lifespan of house cats
increase the human lifespan
Recent Examples on the Web
The intrigue: Punxsutawney Groundhog Club members insist there has only been one Phil since the tradition began nearly 140 years ago — at least 15 times the typical lifespan of a groundhog raised in captivity.
—
Chrissy Suttles, Axios, 2 Feb. 2025
The landscape an integral part of the wellness experience—the Nicoya Peninsula is one of the world’s five Blue Zones where lifespans and health spans exceed the norm.
—Devorah Lev-Tov, AFAR Media, 31 Jan. 2025
Preventing the Gap However, closing the health span/lifespan gap is not just about cutting-edge technologies.
—Avery Hurt, Discover Magazine, 30 Jan. 2025
Battery lifespan increasedthe most when a battery cell discharges its capacity between 4 and 5 hours of continuous use—a C-rate between C/4 and C/5.
—IEEE Spectrum, 29 Jan. 2025
In a dire scenario—the deepest depths of the abyss—average lifespans in the U.S. could decline, as older people more often fall sick, and more children under 5 die.
—Katherine J. Wu, The Atlantic, 28 Jan. 2025
Following a more heart-healthy diet can lead to other benefits, such as a longer, healthier lifespan.
—Jillian Kubala, Rd, Health, 27 Jan. 2025
Moreover, disposal of plastic turf is problematic because of an average eight-to-10-year lifespan.
—Cindy Russell, The Mercury News, 25 Jan. 2025
These long lifespans not only save costs but also reduce environmental impact by minimizing waste.
—Lauren Carpenter, USA TODAY, 17 Jan. 2025
Examples are automatically compiled from online sources to
show current usage.
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Chrissy Suttles, Axios, 2 Feb. 2025
The landscape an integral part of the wellness experience—the Nicoya Peninsula is one of the world’s five Blue Zones where lifespans and health spans exceed the norm.
—Devorah Lev-Tov, AFAR Media, 31 Jan. 2025
Preventing the Gap However, closing the health span/lifespan gap is not just about cutting-edge technologies.
—Avery Hurt, Discover Magazine, 30 Jan. 2025
Battery lifespan increasedthe most when a battery cell discharges its capacity between 4 and 5 hours of continuous use—a C-rate between C/4 and C/5.
—IEEE Spectrum, 29 Jan. 2025
In a dire scenario—the deepest depths of the abyss—average lifespans in the U.S. could decline, as older people more often fall sick, and more children under 5 die.
—Katherine J. Wu, The Atlantic, 28 Jan. 2025
Following a more heart-healthy diet can lead to other benefits, such as a longer, healthier lifespan.
—Jillian Kubala, Rd, Health, 27 Jan. 2025
Moreover, disposal of plastic turf is problematic because of an average eight-to-10-year lifespan.
—Cindy Russell, The Mercury News, 25 Jan. 2025
These long lifespans not only save costs but also reduce environmental impact by minimizing waste.
—Lauren Carpenter, USA TODAY, 17 Jan. 2025
Dictionary Entries Near lifespan
Cite this Entry
“Lifespan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifespan. Accessed 6 Feb. 2025.
Copy CitationMedical Definition
life span
noun1
: 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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