noun
- a person or thing that verifies the genuineness or validity of something
- a device or application that generates security codes for user authentication
Usage: technology
Examples
- The art expert served as an authenticator for the painting’s provenance.
- Museum curators rely on authenticators to verify ancient artifacts.
- I use a mobile authenticator app to log into my bank account.
- The two-factor authentication requires an authenticator code.
- She downloaded an authenticator to secure her online accounts.
- The authenticator generates a new six-digit code every thirty seconds.