authenticator

[ aw-then-ti-key-ter ]
/ ɔˈθɛn tɪˌkeɪ tər /
|

noun

a person or thing that authenticates.
Cryptography. a code used to authenticate a previously transmitted code.

Nearby words

  1. authentic,
  2. authentical,
  3. authentically,
  4. authenticate,
  5. authentication,
  6. authenticity,
  7. authigenic,
  8. author,
  9. author catalog,
  10. author's alteration

Origin of authenticator

First recorded in 1860–65; authenticate + -or2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for authenticator

  • According to one authenticator of sports memorabilia, his clients are not optimistic.

    Tiger on Sale|Duff McDonald|December 8, 2009|DAILY BEAST