cryp·​tol·​o·​gy krip-ˈtä-lə-jē How to pronounce cryptology (audio)
: the scientific study of cryptography and cryptanalysis
cryptological adjective
or cryptologic
cryptologist noun

Example Sentences

Recent Examples on the Web Early exclaims in character, referencing the field of cryptology Swift has created over the years. CBS News, 21 Oct. 2022 The museum sticks to its mission of explaining cryptology to a broad section of the public. Julian E. Barnes,, 24 Sep. 2022 In our own time, Renaissance scholarship helped inspire World War II code breaking, while military cryptology techniques were in turn adapted as tools of literary analysis. New York Times, 7 July 2022 The company is also producing films on subjects including cryptology, Congress and the unfolding defamation case brought by Johnny Depp against his ex-wife, the actress Amber Heard. New York Times, 10 May 2022 It’s fundamental to primality testing methods, and all the cryptology that goes with that. Dave Linkletter, Popular Mechanics, 28 Jan. 2022 Children explore important historical developments in cryptology approaches and technologies like the Navajo Code Talkers and the WAVES program. Kara Dawson, The Conversation, 14 Dec. 2021 For the next two months in this unlikely boot camp, the CIA agents went through the barrage of tests and trained the recruits in cryptology, radio operation, outdoor survival and demolition techniques. Tony Perrottet, Smithsonian Magazine, 16 Apr. 2021 Innovations like quantum cryptology not only offer possible solutions to these security concerns but also increase the demand for data center processing and storage. Danny Hayes, Forbes, 8 Apr. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cryptology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


crypto- + -logy

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of cryptology was in 1844

Dictionary Entries Near cryptology

Cite this Entry

“Cryptology.” Dictionary, Merriam-Webster, Accessed 30 Mar. 2023.

More from Merriam-Webster on cryptology

Love words? Need even more definitions?

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

A Good Old-Fashioned Quiz

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?