cryptologistn.
/krɪpˈtɒlədʒɪst/, U.S. /krɪpˈtɑlədʒəst/ΘΚΠ
the world > plants > botany > [noun] > study of specific parts or types of plants > one with knowledge of other specific plants
cryptogamist1793
cryptologist1835
rhodologist1870
batologist1889
1835 G. T. Burnett Outl. Bot. I. 163 By both these eminent Cryptologists they are defined to be ‘Aërial Algæ’..with their fructification external, naked, and homogenous.
2. An expert in or student of cryptology; = cryptographer n.
ΘΚΠ
the mind > mental capacity > knowledge > secrecy, concealment > code, cipher > [noun] > conversion into code > one who codes
steganographer1562
cryptographer1641
steganographist1727
cryptographist1821
cryptologist1870
cryptogrammatist1871
cryptogrammist1887
coder1920
1870 J. J. Barclay Addr. Commemorative of Abraham B. Hutton 9 He [sc. John Wallis] was a distinguished Mathematician and Cryptologist.
1899 Jrnl. Royal Soc. Antiquaries Ireland 5th Ser. 9 52 There is a suppressed premiss always glossed over by the ‘cryptologist’, namely, that we have full knowledge of Irish during the Ogham period.
1968 Times 14 Feb. 10/6 What..does..a leading American cryptologist..think the good ship Pueblo was up to off the North Korean coast?
1992 Dr. Dobb's Jrnl. Sept. 137/2 (advt.) hasp was designed by a team of computer experts, professional cryptologists and electrical engineers.
2009 Peterborough (Ont.) Examiner (Nexis) 11 Dec. d5 He was born into a U.S. intelligence type family, what with his mom's past as a cryptologist and his dad's work in the Air Force and consequent connections to the CIA.
This is a new entry (OED Third Edition, June 2011; most recently modified version published online March 2022).
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n.1835