1. a combination of two letters representing one sound
Usage: linguistics
2. a directed graph in mathematics consisting of vertices connected by directed edges
Usage: mathematics; computer science

Examples

• The letters ‘ch’ form a digraph in the word ‘chair’.
• In English, ‘th’ is a common digraph that makes different sounds in ‘think’ and ‘this’.
• The digraph ‘ph’ represents the ‘f’ sound in words like ‘phone’.
• Students learn to recognize digraphs when studying phonics.
• The algorithm uses a digraph to represent the network connections.
• Each edge in the digraph has a specific direction from one vertex to another.