deauthenticate
verbEtymology From de- + authenticate.
1
To reject as authentic; to falsify or disprove.
- In the hand of what person soever it be alleged by the witness to be, a case may happen in which it may be material (though at the expense of a distinct enquiry) to authenticate or deauthenticate it by ulterior evidence.1827, Jeremy Bentham, Rationale of Judicial Evidence:
2
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences To revoke the authentication of; to cause no longer to be authenticated.