Dictionary
digraph
noun di·graph \ˈdī-ˌgraf\
Definition of DIGRAPH
1
: a group of two successive letters whose phonetic value is a single sound (as ea in bread or ng in sing) or whose value is not the sum of a value borne by each in other occurrences (as ch in chin where the value is \t\ + \sh\)
2
: a group of two successive letters
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First Known Use of DIGRAPH
1780
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