IPA: /daɪˈɡræfɪk/
KK: /daɪˈɡræfɪk/
Relating to a pair of characters or letters that represent a single sound or a single unit of meaning in a language.
The word 'ch' in 'chair' is a digraphic because it represents one sound.
Digraphic → It is formed from "di-" (meaning two) and "grapho" (from Greek "grapho", meaning to write). The word "digraphic" refers to something that involves or relates to two forms of writing or scripts.
Think of 'two' ('di-') and 'writing' ('grapho') to remember that 'digraphic' means involving two types of writing.