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.
With RaaS, attackers gained access to advanced encryption techniques, scalable distribution methods and even customer support to ensure successful attacks. Sameer Malhotra, Forbes, 10 Mar. 2025 Aviation expert and American Enterprise Institute Senior Fellow Todd Harrison says the jet is equipped with advanced encryption capabilities that enable prolonged, secure communications from anywhere in the world. Mack Degeurin, Popular Science, 6 Mar. 2025 The optional level of encryption for iCloud prevents even Apple from seeing user data. Ars Technica, 4 Mar. 2025 With this plan, your photos, videos, and documents are protected by robust encryption and reliable BackBlaze technology, giving you the peace of mind that your data is secure. Stackcommerce Team (sponsored), PCMAG, 1 Mar. 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

Browse Nearby Words

Cite this Entry

“Encryption.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/encryption. Accessed 13 Mar. 2025.

More from Merriam-Webster on encryption

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!