from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A pair of letters representing a single speech sound, such as the ph in pheasant or the ea in beat.
- n. A single character consisting of two letters run together and representing a single sound, such as Old English æ.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A directed graph.
- n. A two-character sequence used to enter a single conceptual character.
- n. A pair of letters, especially a pair representing a single phoneme.
from the GNU version of the Collaborative International Dictionary of English
- n. Two signs or characters combined to express a single articulated sound; as ea in head, or th in bath.
from The Century Dictionary and Cyclopedia
- n. Two letters used to represent one sound, as ea in head, th in path.
- Consisting of two letters used to represent one sound: as, digraph signs; digraph consonants.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. two successive letters (especially two letters used to represent a single sound: `sh' in `shoe')
Digraphs: The digraph is a two-letter "country code" that precisely identifies every entity without overlap, duplication, or omission.
A digraph is a union of two vowels, or of two consonants, in one sound.
The Standard Speller; Containing Exercises for Oral Spelling; also, Sentences for Silent Spelling by Writing from Dictation. In Which the Representative Words and the Anomalous Words of the English Language are so Classified as to Indicate Their Pronunciation, and to be Fixed in the Memory by Association.
Thus, the center of a digraph is a vertex that is closest to the vertex most distant from it.
Welsh seems to follow through the logic of the digraph=single-letter idea much more consistently than Spanish even before they stopped doing it at least ten years ago.
I just typed: "Interestingly, come to think of it, the digraph ph is often the mark of foreignness in Latin loans from Greek, as in our discussed word tōphus."
Interestingly, come to think of it, the digraph ph is often the mark of foreignness in Latin loans from Greek, as in our discussed word tōphus.
The letter digraph represents the pronunciation of the vowel in .
Though I believe the OE character "ae" ash is a digraph.
The Guugu-Yimidhirr represents [N], so Cook wrote it down as 'kangooroo', but the digraph was later read as the more English-sounding [Ng].
The digraph "ai" in foreign spellings often represents something more like the diphthong in the word "eye".