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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
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.
Surfshark One bundles unlimited VPN connections across all your devices with AES-256 encryption and WireGuard speeds over 950Mbps for streaming/gaming. PC Magazine, 1 Dec. 2025 This echoes a process tested earlier this year in which the world's longest quantum communications link used photons for data transmission and encryption. New Atlas, 28 Nov. 2025 The platform promises end-to-end encryption by default and minimizes data collection to protect user communications. Beatrice Nolan, Fortune, 27 Nov. 2025 Private networking focus Amazon Leo will offer network-wide encryption, management tools, and 24/7 priority support. Aamir Khollam, Interesting Engineering, 24 Nov. 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 3 Dec. 2025.

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