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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Its solid aluminum unibody construction withstands drops up to 6 feet, while 256-bit AES hardware encryption keeps sensitive class project data safe on the go. Juhi Wadia, PC Magazine, 5 Aug. 2026 Neither paper has been peer-reviewed, and the result concerns a specialized corner of quantum cryptography known as unclonable encryption. Peter Hall, Scientific American, 31 July 2026 Governments across democratic states, including the United Kingdom, continue to advocate measures that would weaken encryption in the name of public safety. Susie Violet Ward, Forbes.com, 31 July 2026 When an American mole in the company goes missing, along with the keys to the model’s encryption, the biological weapon is at risk. Carly Tagen-Dye, PEOPLE, 31 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 6 Aug. 2026.

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