Cryptographic
Pronunciation : Cryp`to*graph"ic (krp`t-grf"k), Cryp`to*graph"ic*al (krp`t-grf"-kal)
Part of Speech : a.
Definition : Defn: Relating to cryptography; written in secret characters or in cipher, or with sympathetic ink.
Source : Webster's Unabridged Dictionary, 1913