[cryp.tol.o.gy] n (1935): the scientific study of cryptography and cryptanalysis -- cryp.to.log.i.cal or cryp.to.log.ic adj -- cryp.tol.o.gist n
CRYPTOLOGY
Meaning of CRYPTOLOGY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012