natural number

noun
UK: /ˌnætʃrəl ˈnʌmbər/
US: /ˌnætʃərəl ˈnʌmbər/

  1. A positive whole number, starting from 1, used for counting objects.

    1. One, two, and three are a natural number.
    2. The set of all natural number extends infinitely, increasing sequentially.

  2. A non-negative whole number, starting from 0, that can be used for counting.

    1. Zero is sometimes included as a natural number.
    2. Determining if zero should be a natural number depends on context.

Synonyms

counting number whole number

Frequently Asked Questions

The word "natural number" in English means: A positive whole number, starting from 1, used for counting objects., A non-negative whole number, starting from 0, that can be used for counting..

The phonetic transcription of "natural number" is /ˌnætʃrəl ˈnʌmbər/ in British English and /ˌnætʃərəl ˈnʌmbər/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "natural number": counting number, whole number.

Example usage of "natural number": "One, two, and three are a natural number.". More examples on the page.