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1. A pair of letters representing a single speech sound, such as the ph in pheasant or the ea in beat.
2. A single character consisting of two letters run together and representing a single sound, such as Old English æ.

di·graph′ic (dī-grăf′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈdaɪɡrɑːf; -ɡræf)
(Phonetics & Phonology) phonetics a combination of two letters or characters used to represent a single speech sound such as gh in English tough. Compare ligature5, diphthong
digraphic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdaɪ græf, -grɑf)

a pair of letters representing a single speech sound, as ea in meat or th in path.
di•graph′ic (-ˈgræf ɪk) adj.
di•graph′i•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.digraph - two successive letters (especially two letters used to represent a single sound: `sh' in `shoe')
alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


nDigraph m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
Then B([[LAMBDA].sub.*]) - [I.sub.1] is an adjacency matrix of an acyclic digraph with l nodes (see [2]).
Definition 6 [50] A SVN digraph D is of the form D = ([V.sub.D], [A.sub.D]) where,
Alternative terms have been used with press-to-press described as digraph latency (Leggett, Williams, Usnick & Longnecker, 1991) and the release-to-press time being described as the flight time (Stefan & Yao, 2010).
Aside from their French heritage, the artist Claude Monet and the composer Georges Bizet share another commonality--both of their surnames end with the digraph ET which is pronounced like a long "A".
Let her know on Twitter: @larajkilner * A split digraph is when two vowels are split by a consonant to form a new sound, as in our example above - bake (or cake or lake).
Based on graph theory, a network can be represented by a digraph G with l(l [greater than or equal to] 2) vertices.
However, the new approach in their work is mixing the concept of the reflexive acyclic digraph with fixed point results.
The communication relations among N agents are described by the signed digraph G = (V, E, A), where V = {1, ..., N} and E [subset not equal to] V x V represent the node set and the edge set, respectively.
Step 4: Set up a threshold value for the digraph by computing the average of the elements in matrix T.
Let G(X, f) denote the digraph whose set of vertices is X and there is a directed edge from a [member of] X to b [member of] X if f(a) = b.
[13] considered the existence of a coupled fixed point of ([phi], [psi])-contractive mappings endowed with a digraph and applied the obtained results to the system of two integral equations.