[dahy-graf, -grahf]


a pair of letters representing a single speech sound, as ea in meat or th in path.

Nearby words

  1. dignity,
  2. digonal,
  3. digoneutic,
  4. digoxin,
  5. digram,
  6. digraphic,
  7. digress,
  8. digression,
  9. digressive,
  10. digressively

Origin of digraph

First recorded in 1780–90; di-1 + -graph

Related formsdi·graph·ic [dahy-graf-ik] /daɪˈgræf ɪk/, adjectivedi·graph·i·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for digraph

British Dictionary definitions for digraph



a combination of two letters or characters used to represent a single speech sound such as gh in English toughCompare ligature (def. 5), diphthong
Derived Formsdigraphic (daɪˈɡræfɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Online Etymology Dictionary, © 2010 Douglas Harper