personal identification number

from WordNet (r) 3.0 (2006)

personal identification number
    n 1: a number you choose and use to gain access to various
         accounts [syn: {personal identification number}, {PIN},
         {PIN number}]

from The Free On-line Dictionary of Computing (8 July 2008)

Personal Identification Number
PIN

   <security> (PIN, "PIN number") A {password}, typically four
   digits entered through a telephone keypad or automatic teller
   machine.

   (1996-11-03)

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