Tetraphthong

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A monosyllabic vowel combination consisting of two diphthongs, or a semivowel followed by a triphthong.

    "Gottscheerish has four tetraphthongs: /i̯oai/, /i̯oːai/, /i̯uai/, and /i̯uːai/."

Example

More examples

"Gottscheerish has four tetraphthongs: /i̯oai/, /i̯oːai/, /i̯uai/, and /i̯uːai/."

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