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Definitions

authenticate

[aw-then-ti-keyt] / ɔˈθɛn tɪˌkeɪt /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"In this study we show how to authenticate a biomarker, verifying that a signal truly comes from life rather than contamination or non-biological chemistry," Shawar adds.

From Science Daily • Feb. 27, 2026

Athena’s focus so far is designers and brands such as Jimmy Choo and Alice + Olivia, ones that are less challenging to authenticate.

From The Wall Street Journal • Jan. 21, 2026

Official media has largely played down the protests but videos have flooded social media, many of which are difficult to authenticate, or have even been manipulated.

From Barron's • Jan. 2, 2026

The BBC analysed the footage and was able to authenticate it as genuine.

From BBC • Aug. 28, 2025

Would it be contrary to medical ethics in the HeLa cell’s coming-of-age year to authenticate the name and let He .

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot