cardinal number

1. 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”.

   Kardinalzahl, Grundzahl

   кардина́льное число́kardinálʹnoje čisló

   the number of elements in a mathematical set; denotes a quantity but not the order

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

   Kardinalzahl

   мо́щность мно́жестваmóščnostʹ mnóžestva, кардина́льное число́kardinálʹnoje čisló

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

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

   (grammar) A word that expresses a countable quantity.

1. One is a cardinal number; first is an ordinal number.

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2. Some countries use ordinal numbers to count millennia, whereas others count them using cardinal numbers.

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