cryptologicadj.
/ˌkrɪptəˈlɒdʒɪk/, U.S. /ˌkrɪptəˈlɑdʒɪk/ΚΠ
1860 Med. Times & Gaz. 7 Jan. 5/2 Ampère has divided the history of a science arrived at its fullest degree of development into four periods... At last we arrive at the highest degree of knowledge to which it is possible to attain; this is called the Cryptologic period.
1886 Presbyterian Rev. July 504 There are sciences of simple inspection and sciences of full comprehension—autoptic sciences and cryptologic sciences.
2. Of or relating to cryptology; cryptological. Cf. cryptographic adj.
ΘΚΠ
the mind > mental capacity > knowledge > secrecy, concealment > code, cipher > [adjective] > of the nature of cryptography
polygraphical1588
steganographical1588
cryptographical1653
cryptographal1663
cryptographic1790
cryptological1868
polygraphic1878
cryptologic1899
1899 Dict. National Biogr. LIX. 142/1 He became an adept in the cryptologic art.
1949 Code of Federal Regulations (U.S.) 507/2 Commonly used words that may help in identification of cryptologic documents and materials are ‘cipher’, ‘code’,..‘cryptosystem’, [etc.].
1971 Times 6 Nov. 5/5 A national cryptologic command will be established to consolidate all code-breaking work.
1993 R. Shilts Conduct Unbecoming vi. lxxi. 684 The agency also lost the services of Cryptologic Technician Third Class Terry Ryder, one of the agency's most expert Arabic linguists.
2003 D. Brown Da Vinci Code (2004) ix. 78 Her eager espousal of Britain's new cryptologic methodology continually exasperated the veteran French cryptographers above her.
This is a new entry (OED Third Edition, June 2011; most recently modified version published online June 2022).
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adj.1860