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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The mechanism making all of this possible is what Google calls CSE, short for client-side encryption. Dan Goodin, ArsTechnica, 3 Apr. 2025 The feature is expected to significantly simplify the complex end-to-end encryption process Gmail previously offered. Miranda Nazzaro, The Hill, 2 Apr. 2025 Implementing encryption, access controls and regular security audits can help mitigate risks while ensuring compliance with industry regulations. Janet Lam, Forbes.com, 2 Apr. 2025 The company's existing client-side encryption also only works through S/MIME. Michael Kan, PC Magazine, 1 Apr. 2025 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 11 Apr. 2025.

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