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
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Security features PocketGuard utilizes bank-level encryption, PINs and biometrics like Touch ID and Face ID. Kelsey Neubauer, CNBC, 21 July 2026 Privacy-enhancing technologies — including differential privacy, federated learning, homomorphic encryption and confidential computing — allow organizations to derive insights from information while reducing exposure of personally identifiable data. David Henkin, Forbes.com, 20 July 2026 BitLocker gives you full-disk encryption, standard for anyone handling sensitive data or working in a compliance-heavy job. New Atlas, 20 July 2026 The system also comes from the factory with BitLocker enabled for on-device encryption. John Loeffler, PC Magazine, 20 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 23 Jul. 2026.

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