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authenticator
[ aw-then-ti-key-ter ]
/ ɔˈθɛn tɪˌkeɪ tər /
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This shows grade level based on the word's complexity.
noun
a person or thing that authenticates.
Cryptography. a code used to authenticate a previously transmitted code.
QUIZ
QUIZ YOURSELF ON “ITS” VS. “IT’S”!
Apostrophes can be tricky; prove you know the difference between "it’s" and "its" in this crafty quiz!
Question 1 of 8
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Origin of authenticator
First recorded in 1860–65; authenticate + -or2
Words nearby authenticator
auth., authentic, authentical, authenticate, authentication, authenticator, authenticity, authigenic, author, author catalog, authoress
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use authenticator in a sentence
That’s not the case with an authenticator app, which makes it more secure.
Many services still use this method, but it’s not as secure as using an authenticator app.
According to one authenticator of sports memorabilia, his clients are not optimistic.