EXAMPLES | WORD ORIGIN noun a pair of letters representing a single speech sound, as ea in meat or th in path. Origin of digraph
First recorded in
1780–90; di- 1
-graph Related forms di·graph·ic , [dahy- graf-ik] /daɪˈgræf ɪk/ adjective di·graph·i·cal·ly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for digraph Historical Examples of digraph
Two letters forming a diphthong or
digraph are not to be separated.
digraph "oa" and "ay" may be taught with equal ease the first year. Digraph, dī′graf, n. two letters expressing but one sound, as ph in digraph.
digraph may either be a combination of two consonants or of two vowels or of a vowel and a consonant.
This combination of two letters to represent one sound is called a
digraph, as gh, in cough, ch in church. British Dictionary definitions for digraph noun a combination of two letters or characters used to represent a single speech sound such as gh in English tough Compare ligature (def. 5), diphthong Derived Forms digraphic ( daɪˈɡræfɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for digraph n.
1788, in linguistics, from Greek
di- "twice" (see di- (1)) + -graph "something written," from Greek graphe "writing," from graphein "to write, express by written characters," earlier "to draw, represent by lines drawn" (see -graphy). In mathematics, from 1955, a contraction of directed graph.
Online Etymology Dictionary, © 2010 Douglas Harper