authentication
nounUK /ɔːˌθɛntɪˈkeɪʃn̩/ · /ɑˌθɛntɪˈkeɪʃn̩/
Etymology From authenticate + -ation.
1
Something which validates or confirms the authenticity of something; or the process of doing so.
- document authentication
- strong authentication
1 more example
- The museum required scientific tests for the authentication of the painting.
2
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Proof of identity required by a user to log on to some network or access some resource.
- digital authentication
- Online banking uses two-factor authentication.
3
A hallmark or assay-mark on a piece of metalwork.
- Synonyms
- authentification