# cardinal number

(redirected from*Cardinal numbers*)

Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

Related to Cardinal numbers: Ordinal numbers

## cardinal number

,**numeral**

**1.**a number denoting quantity but not order in a set

**2.**

*Maths*

*Logic*

**a.**a measure of the size of a set that does not take account of the order of its members

**b.**a particular number having this function

## cardinal number

[′kärd·nəl ′nəm·bər] (mathematics)

The number of members of a set; usually taken as a particular well-ordered set representative of the class of all sets which are in one-to-one correspondence with one another.

## cardinal number

The cardinality of some set.

## cardinal number

The number that states how much or how many. In "record 43 has 7 fields," the 7 is cardinal. See cardinality. Contrast with ordinal number.Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

Link to this page: