encryption

noun

en·​cryp·​tion in-ˈkrip-shən How to pronounce encryption (audio)
en-
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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Meanwhile, security vendors are moving post-quantum protection from theory into live enterprise security platforms by embedding quantum-safe encryption into secure access service edge (SASE), zero trust, secure web gateways and wide area network (WAN) connectivity. Michelle Drolet, Forbes.com, 26 June 2026 And if your data needs extra safeguarding, the My Passport SSD comes with 256-bit AES hardware encryption and password protection for a double security whammy. K. Thor Jensen, PC Magazine, 26 June 2026 As a Gmail client that didn’t support end-to-end encryption, Notion’s AI-centric approach to email lacked the privacy focus that Skiff carried as an email provider. Scharon Harding, ArsTechnica, 25 June 2026 Budgeting apps also use data encryption and other safety precautions to protect your data. Faith Wakefield, USA Today, 24 June 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 27 Jun. 2026.

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