natural number

2 definitions found

natural number - WordNet (r) 2.1 (2005) :

  natural number
      n 1: the number 1 and any other number obtained by adding 1 to
           it repeatedly

natural number - Free On-line Dictionary of Computing (26 May 2007) :

  natural number
  
     <mathematics> An integer greater than or equal to zero.  A
     natural number is an isomorphism class of a finite set.
  
     (1995-03-25)