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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Instruct your architects to rebuild authorization systems and payment integrations, as well as secure all encryption protocols and data storage logic. Ihor Hamal, Forbes.com, 18 Aug. 2026 To develop a secure encryption method, cryptographers look for mathematical problems that are easy to solve but difficult to undo. Manon Bischoff, Scientific American, 18 Aug. 2026 That means iMessage protects the contents of the conversation with encryption. Kurt Knutsson, FOXNews.com, 18 Aug. 2026 That is what makes blockchain security different from updating the encryption on a centralized service. Joshua Hong, Fortune, 15 Aug. 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 20 Aug. 2026.

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