Definition of "passcode" [passcode]

• A string of characters used for authentication on a digital device. (noun)

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• "On Blackberries and even Treos, once the passcode is set on the phone, use must enter the code to change any its settings."
• "I discovered a security hole in how passcode is implemented on the iPhone."
• "To listen to a telephone replay of the conference call, dial 800-406-7325 and enter conference call passcode 4403970."