Digraph
/ˈdaɪɡræf/noun
Two letters used together to represent a single sound. Like 'th' in 'then'.
In English, 'ch' is a digraph that makes a sound similar to 'ch' as in 'cheese'.
Often appears as...
- 'ch' digraph
- 'th' digraph
Usage tips
Academic
noun
A pair of elements from a set used to represent a binary relationship between them, often used in mathematics and computer science.
In graph theory, we use a directed graph also known as a digraph, to represent relationships between different pairs of objects.
Often appears as...
- directed digraph
- trivial digraph
Usage tips
Academic
noun
Two letters used together to represent a single sound. Like 'th' in 'then'.
In English, 'ch' is a digraph that makes a sound similar to 'ch' as in 'cheese'.
Often appears as...
- 'ch' digraph
- 'th' digraph
Usage tips
Academic
noun
A pair of elements from a set used to represent a binary relationship between them, often used in mathematics and computer science.
In graph theory, we use a directed graph also known as a digraph, to represent relationships between different pairs of objects.
Often appears as...
- directed digraph
- trivial digraph
Usage tips
Academic
Definition 1 of 2
Pro Tip 1/3Pronunciation Clue
Digraphs help to understand how to pronounce unfamiliar words correctly.
Knowing 'ph' is a digraph lets you pronounce 'phone' with an 'f' sound.
Pro Tip 2/3Sound Combination
A digraph combines two letters to make a unique sound that neither letter makes alone.
The 'wh' in 'when' creates a distinct sound different from 'w' or 'h' alone.
Pro Tip 3/3Common Blends
Some digraphs frequently appear in English, like 'sh,' 'ch,' 'th,' and 'ph.'
Words like 'ship', 'chat', 'that', and 'dolphin' include common digraphs.
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