- a pair of letters representing a single speech sound, as ea in meat or th in path.
Origin of digraph
Examples from the Web for digraph
Two letters forming a diphthong or digraph are not to be separated.Division of Words
Frederick W. Hamilton
The digraph "oa" and "ay" may be taught with equal ease the first year.How to Teach Phonics
Lida M. Williams
Digraph, dī′graf, n. two letters expressing but one sound, as ph in digraph.
A 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.
Word Origin and History for digraph
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.