- Holocryptic cipher
- Holocryptic Hol`o*cryp"tic, a. [Holo- + Gr. kry`ptein to
conceal.]
Wholly or completely concealing; incapable of being
deciphered.
[1913 Webster]
{Holocryptic cipher}, a cipher so constructed as to afford no clew to its meaning to one ignorant of the key. [1913 Webster]
The Collaborative International Dictionary of English. 2000.