Diaphoneme

//ˈdaɪəˌfoʊnim// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An abstract phonological unit that represents collectively the dialectal variants of a phoneme.

    "The transcription /oː‖əʊ‖oʊ/ or {oː} represents the diaphoneme descended from the ancestral Old English phoneme /oː/, which is preserved in Irish English as [oː] but has become [əʊ] in Received Pronunciation and as [oʊ] in General American."

Example

More examples

"The transcription /oː‖əʊ‖oʊ/ or {oː} represents the diaphoneme descended from the ancestral Old English phoneme /oː/, which is preserved in Irish English as [oː] but has become [əʊ] in Received Pronunciation and as [oʊ] in General American."

Etymology

From dia- + phoneme.

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