cardinality
noun
car·di·nal·i·ty
ˌkär-də-ˈna-lə-tē 
plural cardinalities
: the number of elements in a given mathematical set
Examples of cardinality in a Sentence
Recent Examples on the Web
Current solutions face persistent challenges related to heterogeneous data, supervised learning limitations, query complexities and operational data's increasing volume, velocity and cardinality.
—
Shailesh Manjrekar, Forbes.com, 7 Apr. 2025
Additionally, when records merge or split, the logging should capture the cardinality of parent and child correlation IDs.
—Koushik Sundar, Forbes, 20 Dec. 2024
The diagonal argument shows that the cardinality of the reals is greater than the cardinality of the natural numbers.
—Patrick Honner, Quanta Magazine, 27 Sep. 2022
And in ultimate L, Cantor is right: The continuum has cardinality .
—Quanta Magazine, 15 July 2021
The set of real numbers has a bigger cardinality than the natural numbers because there are more of them.
—Quanta Magazine, 10 Aug. 2021
Cantor also proved that the infinite number of points on a line has the same cardinality as the infinite number of points that fill the volume of a shape, like a sphere.
—Quanta Magazine, 26 Aug. 2021
Alternatively, it could be termed something else: cardinality, for example.
—Martin Goldstern, Scientific American, 16 Aug. 2021
Who’s discussing ephemeral infinite cardinality then?
—Adrian Bridgwater, Forbes, 7 May 2021
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Shailesh Manjrekar, Forbes.com, 7 Apr. 2025
Additionally, when records merge or split, the logging should capture the cardinality of parent and child correlation IDs.
—Koushik Sundar, Forbes, 20 Dec. 2024
The diagonal argument shows that the cardinality of the reals is greater than the cardinality of the natural numbers.
—Patrick Honner, Quanta Magazine, 27 Sep. 2022
And in ultimate L, Cantor is right: The continuum has cardinality .
—Quanta Magazine, 15 July 2021
The set of real numbers has a bigger cardinality than the natural numbers because there are more of them.
—Quanta Magazine, 10 Aug. 2021
Cantor also proved that the infinite number of points on a line has the same cardinality as the infinite number of points that fill the volume of a shape, like a sphere.
—Quanta Magazine, 26 Aug. 2021
Alternatively, it could be termed something else: cardinality, for example.
—Martin Goldstern, Scientific American, 16 Aug. 2021
Who’s discussing ephemeral infinite cardinality then?
—Adrian Bridgwater, Forbes, 7 May 2021
Cite this Entry
“Cardinality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardinality. Accessed 23 Jul. 2025.
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cardinality
noun
car·di·nal·i·ty
ˌkärd-ᵊn-ˈal-ət-ē
plural cardinalities
: the number of elements in a given mathematical set
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