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单词 cardinality
释义

cardinality

noun

car·​di·​nal·​i·​ty ˌkär-də-ˈna-lə-tē How to pronounce cardinality (audio)
plural cardinalities
: the number of elements in a given mathematical set

Example Sentences

Recent Examples on the Web 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 In an ephemeral world of shifting clouds and infinite cardinality, the need to grasp some human sense of observability is key to our operational lifeblood. Adrian Bridgwater, Forbes, 7 May 2021

Word History

Etymology

cardinal entry 1 + -ity

First Known Use

1935, in the meaning defined above

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更新时间:2025/2/3 21:39:51