trigraph

From tri- + -graph.

• (Received Pronunciation) IPA^(key): /ˈtɹaɪɡɹɑːf/
• (General American) IPA^(key): /ˈtɹaɪɡɹæf/

trigraph (plural trigraphs)

1. (linguistics) A specific sequence of three letters, especially one used collectively to represent a single phoneme.

   The letter “i” is pronounced as /aɪ/ when followed by the trigraph “ght”, as in right /raɪt/.

   • 2023 June 12, Sarah Forst, “How to Teach Trigraphs DGE & TCH”, in The Designer Teacher‎^[1]:

     Then, practice reading fluency sentences together that contain words with trigraphs and other mastered words.

2. (computing) A three-character sequence used to enter a single conceptual character.
   • 1993, Mark Andrews, Visual C++ Object-oriented Programming, page 186:

     These new features are charizing, stringization, token concatenation, string concatenation, trigraph replacement, and predefined macros.

• ligature