cardinal number

Definitions

1. 1

   A number used to denote quantity

   A number used to denote quantity; a counting number; a cardinal.

   • The smallest cardinal numbers are 0, 1, 2, and 3.
   • The cardinal number “three” can be represented as “3” or “three”.
2. 2

   A generalized kind of number used to denote the size of a set, including infinite sets.

3. 3

   A word that expresses a countable quantity

   A word that expresses a countable quantity; a cardinal numeral.

   • “Three” is a cardinal number, while “third” is an ordinal number.

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