Trigraph

noun

noun ·Rare ·Advanced level

Definitions

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

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

  2. 2
    A three-character sequence used to enter a single conceptual character.

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

Example

More examples

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

Etymology

From tri- + -graph.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.