PIN

Noncancerous growth of cells lining the internal and external surfaces of the prostate gland. Having high-grade PIN may increase the risk of developing prostate cancer. Also called prostatic intraepithelial neoplasia.

A passcode that a user enters on the telephone to access their Exchange Server mailbox. [Exchange 2007]

A unique and secret identification code similar to a password that is assigned to an authorized user and used to gain access to personal information or assets via an electronic device.

Abbreviation for personal identification number. A code or password, unique to or associated with, a specific user, and entered into a data-processing device for purposes of verifying the identity of a person requesting, e.g., a transaction or access.