We found 26 dictionaries that define the word cryptanalysis:

General (15 matching dictionaries)

1. cryptanalysis: Merriam-Webster
2. cryptanalysis: Oxford Learner's Dictionaries
3. cryptanalysis: American Heritage Dictionary of the English Language
4. cryptanalysis: Collins English Dictionary
5. cryptanalysis: Vocabulary.com
6. Cryptanalysis, cryptanalysis: Wordnik
7. cryptanalysis: Wiktionary
8. cryptanalysis: Webster's New World College Dictionary, 4th Ed.
9. cryptanalysis: Infoplease Dictionary
10. cryptanalysis: Dictionary.com
11. Cryptanalysis: Wikipedia, the Free Encyclopedia
12. cryptanalysis: Rhymezone
13. cryptanalysis: FreeDictionary.org
14. cryptanalysis: Mnemonic Dictionary
15. cryptanalysis: TheFreeDictionary.com

Computing (7 matching dictionaries)

16. cryptanalysis: Free On-line Dictionary of Computing
17. cryptanalysis: Netlingo
18. cryptanalysis: CCI Computer
19. Webopedia (No longer online)
20. cryptanalysis: Hacking Lexicon
21. Technopedia (No longer online)
22. cryptanalysis: Encyclopedia

Medicine (1 matching dictionary)

23. online medical dictionary (No longer online)

Science (2 matching dictionaries)

24. Cryptanalysis: Eric Weisstein's World of Mathematics
25. cryptanalysis: PlanetMath Encyclopedia

Tech (1 matching dictionary)

26. DOD Dictionary of Military Terms (No longer online)

(Note: See cryptanalytic as well.)

Definitions from Wiktionary (cryptanalysis) ▸ noun:  The science of analyzing and breaking of codes and ciphers. ▸ noun:  An analysis or decrypting of a specific text or a specific code or cipher. Similar: cryptoanalysis, cryptology, cryptanalytics, cryptolinguistics, cryptography, decipherment, locksmithing, enigmatography, analytic tradecraft, codicology, more... Opposite: encryption, encoding, ciphering Types: ciphertext-only, known-plaintext, chosen-plaintext, chosen-ciphertext, man-in-the-middle, more... Phrases: Differential cryptanalysis, Linear cryptanalysis, rubber-hose cryptanalysis, Cryptanalysis of the Enigma, Cryptanalysis of the Lorenz cipher, more... Adjectives: differential, linear, successful, exhaustive, pure, german, american, modern, practical, british, classical ▸ Words similar to cryptanalysis ▸ Usage examples for cryptanalysis ▸ Idioms related to cryptanalysis ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cryptanalysis ▸ Words that often appear near cryptanalysis ▸ Rhymes of cryptanalysis ▸ Invented words related to cryptanalysis