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cardinality

[ kahr-dn-al-i-tee ]
/ ˌkɑr dnˈæl ɪ ti /

noun, plural car·di·nal·i·ties.Mathematics.

(of a set) the cardinal number indicating the number of elements in the set.

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Origin of cardinality

First recorded in 1930–35; cardinal + -ity

Words nearby cardinality

cardinal, cardinalate, cardinal beetle, cardinalfish, cardinal flower, cardinality, cardinal ligament, cardinal number, cardinal numbers, cardinal point, cardinal points
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for cardinality

cardinality
/ (ˌkɑːdɪˈnælɪtɪ) /

noun

maths the property of possessing a cardinal number
maths logic (of a class) the cardinal number associated with the given class. Two classes have the same cardinality if they can be put in one-to-one correspondence
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012