The Collaborative International Dictionary
Digraphic
Digraphic \Di*graph"ic\, a.
Of or pertaining to a digraph.
--H. Sweet.
Wiktionary
digraphic
a. Of or pertaining to a digraph.
Usage examples of "digraphic".
In the first place, the cipher's being digraphic obliterates the single-letter characteristics—e, for example, is no longer identifiable as an entity.
These counts represented two columns that had stood side by side in the original tableau and so contained the digraphic substitutes from the checkerboard.
It may have provided the digraphic cipher—ten tables 26 X 26, one of which was selected to encipher each message— that one R.
This system may have been adapted from the Army, which at one time used digraphic substitution as a field cipher.