encryption

noun

plural encryptions
1
: the act or process of encrypting something : a conversion of something (such as data) into a code or cipher
The regulations … make it harder to provide automatic encryption of information as it passes through the dozens of links in a typical Internet connection …Paul Wallich
… a hacker slips into a system, then puts encryption controls in place that locks users out.Elizabeth Millard
2
: a code or cipher produced by encrypting something
Artificial intelligence can decode encryptions that previously could not be cracked.Ana Swanson

Examples of encryption in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With Surfshark, you’ll be protected by AES-256 encryption, the same military-grade standard that’s used by government security agencies. Stephanie Barnes, PC Magazine, 7 July 2026 Security features Uses a zero-knowledge approach, government-standard AES-256 encryption, multi-factor authentication, support for biometrics and has passed third-party security audits. Brian Sloan,dan Avery, CNBC, 6 July 2026 Artificial intelligence is transforming data security, rendering traditional encryption methods inadequate as sensitive data is vulnerable during computation. Chuck Brooks, Forbes.com, 1 July 2026 See All Example Sentences for encryption

Word History

First Known Use

1953, in the meaning defined at sense 1

Time Traveler
The first known use of encryption was in 1953

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Cite this Entry

“Encryption.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/encryption. Accessed 9 Jul. 2026.

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