cardinal number
noun
Definitions
A number used to denote quantity; a counting number; a cardinal.
Example: The cardinal number "three" can be represented as "3" or "three".
A generalized kind of number used to denote the size of a set, including infinite sets.
(grammar) A word that expresses a countable quantity; a cardinal numeral.
Example: "Three" is a cardinal number, while "third" is an ordinal number.