personal identification number

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Definitions from WordNet

Noun personal identification number has 1 sense

personal identification number, PIN, PIN number - a number you choose and use to gain access to various accounts
--₁ is a kind of number, identification number

Definitions from the Web

Personal Identification Number

Description:

A Personal Identification Number (PIN) is a unique numerical code used to verify the identity of an individual when accessing a system or conducting financial transactions.

Senses:

Sense 1 - Noun:

A PIN can refer to a secret code used to access personal accounts or systems.

Example Sentence: Please enter your 4-digit PIN to access your bank account.

Sense 2 - Noun:

A PIN can also refer to a unique identifier assigned to an individual for security purposes.

Example Sentence: The security guard issued a PIN to each employee to enter the restricted area.

Sense 3 - Adjective:

In a broader context, PIN can be used as an adjective to describe something that is related to personal identification numbers.

Example Sentence: The bank implements PIN authentication for online banking transactions.

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