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Definition of cryptology

cryptology

/krɪpˈtɑː.lə.dʒi/
cryp · tol · o · gy
Adverb:cryptologically
•
Adjective:cryptologic
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cryptology Lexical Profile

cryptology Game Scores & Validity

• noun

1

The scientific study and practice of secure communication, encompassing both the creation of secret codes and ciphers (cryptography) and the analysis and deciphering of encrypted information (cryptanalysis).

Example

"Advances in modern mathematics and computer science have transformed cryptology into the backbone of digital security and online privacy."

Synonyms
View all synonyms for cryptology

Word Nuance & Usage

In technical usage, 'cryptology' is the overarching discipline encompassing both 'cryptography' (the creation of secret codes and ciphers) and 'cryptanalysis' (the breaking and deciphering of them), though 'cryptography' is often used interchangeably with 'cryptology' in casual contexts.

• Rhymes for cryptology

• Nearby Words

crypto
cryptocurrency
cryptographer
cryptology
crystal
crystalline
crystallization

Word Origin & Etymology

Coined in the 17th century from New Latin 'cryptologia', combining Ancient Greek 'kryptos' (hidden, secret) and '-logia' (study of, discourse).

Cite this Entry

Wordmom. (2026). Definition of Cryptology. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/cryptology
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