cardinality
Americannoun
-
cardinalities
plural
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
Other Word Forms
Noun Inflected Forms
Etymology
Origin of cardinality
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The sets presented so far all have the same cardinality.
From Scientific American ● Jul. 13, 2023
In my own past research with young children, it seemed to me that their thinking about numbers was more closely related to Giuseppe Peano's basic concept of “successor” than cardinality or quantity.
From Scientific American ● Jul. 1, 2023
Alternatively, it could be termed something else: cardinality, for example.
From Scientific American ● Aug. 16, 2021
This cardinality is actually denoted by ‘c’ and not by the expected .
From Scientific American ● Jan. 23, 2013
But as zero came into the fold, the neat relationship between a number’s cardinality and its ordinality was ruined.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
![]()
Even if that remains a mystery, it has long been known that there are sets with much larger cardinalities than that of the set of real numbers—even though the real numbers are themselves infinite.
From Scientific American ● Jul. 13, 2023
For example, in addition to the cardinal numbers described here, many other infinite cardinalities lying between ℵ1 and the continuum have been discovered since the 1940s.
From Scientific American ● Aug. 16, 2021
The diagram thus comprises 12 uncountable cardinalities of which no more than 10 can be simultaneously different.
From Scientific American ● Aug. 16, 2021
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.