Personal identification number
nouncandidate·updated May 12, 2026
A secret that a claimant memorizes and uses to authenticate his or her identity. PINs are generally only decimal digits.
Framework senses
- §1
- A type of password (i.e., a secret number assigned to an individual) that, in conjunction with some means of identifying the individual, serves to verify the authenticity of the individual Scope Note: PINs have been adopted by financial institutions as the primary means of verifying customers in an electronic funds transfer (EFT) system.
- §1
- A password consisting only of decimal digits.
- §2 · sense_2_pending_review
- A secret that a claimant memorizes and uses to authenticate his or her identity. PINs are generally only decimal digits.
- §3 · sense_3_pending_review
- An alphanumeric code or password used to authenticate an identity.
- §4 · sense_4_pending_review
- A short numeric code used to confirm identity.
- §1
- A short numeric code used to confirm identity.
- §1
- A password consisting only of decimal digits.
- §1
- An alphanumeric code or password used to authenticate an identity.
- §1
- A secret that a claimant memorizes and uses to authenticate his or her identity. PINs are generally only decimal digits.