digraphic
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Digraphic — Di*graph ic, a. Of or pertaining to a digraph. H. Sweet. [1913 Webster] … The Collaborative International Dictionary of English
digraphic — adjective see digraph … New Collegiate Dictionary
digraphic — di·graphic … English syllables
digraphic — … Useful english dictionary
digraph — digraphic /duy graf ik/, adj. digraphically, adv. /duy graf, grahf/, n. a pair of letters representing a single speech sound, as ea in meat or th in path. [1780 90; DI 1 + GRAPH] * * * … Universalium
Digraphia — In sociolinguistics, digraphia refers to the use of more than one writing system for the same language.[1] Some scholars differentiate between synchronic digraphia with the coexistence of two or more writing systems for the same language and… … Wikipedia
Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… … Wikipedia
digraph — noun Date: 1780 1. a group of two successive letters whose phonetic value is a single sound (as ea in bread or ng in sing) or whose value is not the sum of a value borne by each in other occurrences (as ch in chin where the value is + sh) 2. a… … New Collegiate Dictionary
Playfair cipher — The Playfair cipher or Playfair square is a manual symmetric encryption technique and was the first literal digraph substitution cipher. The scheme was invented in 1854 by Charles Wheatstone, but bears the name of Lord Playfair who promoted the… … Wikipedia
Giambattista della Porta — Giambattista della Porta[1] … Wikipedia
