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
More noise bleed into your home could be a sign that your windows are nearing the end of their lifespan.
—
Kamron Sanders, Better Homes & Gardens, 26 Sep. 2024
Building flexible classrooms gives the building a lifespan beyond one class or even one era of pedagogy, which, as Fertig elucidates, are sure to evolve.
—Maya Chawla, Architectural Digest, 25 Sep. 2024
More infants are surviving to childhood, and the average lifespan is increasing in many places.
—Jess Craig, Vox, 25 Sep. 2024
The typical lifespan of a solar module is more than 25 years.
—Trilce Estrada Olvera, The Arizona Republic, 24 Sep. 2024
The short lifespan of Spiced is surprising, because the company promoted it as a permanent flavor.
—Jordan Valinsky, CNN, 24 Sep. 2024
In terms of caring for clothes, product lifespan plays a major factor.
—Lauren Parker, Sourcing Journal, 23 Sep. 2024
Typically, lighter runners who have an efficient stride will realize longer shoe lifespans, while heavier runners who spend more time on the ground will see less.
—Cory Smith, Outside Online, 19 Sep. 2024
To extend the functional lifespan of the Finest would cost between $14 million and $17 million, according to Kitsap Transit.
U.S. Senator Maria Cantwell, D-Wash., helped secure federal funding for a new ferry.
—Brett Davis | The Center Square, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 16 Sep. 2024
Kamron Sanders, Better Homes & Gardens, 26 Sep. 2024
Building flexible classrooms gives the building a lifespan beyond one class or even one era of pedagogy, which, as Fertig elucidates, are sure to evolve.
—Maya Chawla, Architectural Digest, 25 Sep. 2024
More infants are surviving to childhood, and the average lifespan is increasing in many places.
—Jess Craig, Vox, 25 Sep. 2024
The typical lifespan of a solar module is more than 25 years.
—Trilce Estrada Olvera, The Arizona Republic, 24 Sep. 2024
The short lifespan of Spiced is surprising, because the company promoted it as a permanent flavor.
—Jordan Valinsky, CNN, 24 Sep. 2024
In terms of caring for clothes, product lifespan plays a major factor.
—Lauren Parker, Sourcing Journal, 23 Sep. 2024
Typically, lighter runners who have an efficient stride will realize longer shoe lifespans, while heavier runners who spend more time on the ground will see less.
—Cory Smith, Outside Online, 19 Sep. 2024
To extend the functional lifespan of the Finest would cost between $14 million and $17 million, according to Kitsap Transit.
U.S. Senator Maria Cantwell, D-Wash., helped secure federal funding for a new ferry.
—Brett Davis | The Center Square, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 16 Sep. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lifespan.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near lifespan
Cite this Entry
“Lifespan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifespan. Accessed 5 Oct. 2024.
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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