what is a trigraph definition
A trigraph is a single sound that is represented by three letters, for example: In the word 'match', the three letters 'tch' at the end make only one sound.Other examples of trigraphs are: igh as in sigh. trigraph is a single sound that is represented by three letters, for example: In the word 'match', the three letters 'tch' at the end make only one sound. Other examples of trigraphs are: