Voiceless postalveolar fricative

A voiceless postalveolar fricative is a type of consonantal sound used in some spoken languages. The International Phonetic Association uses the term voiceless postalveolar fricative only for the sound [ ʃ ],[1] but it also describes the voiceless postalveolar non-sibilant fricative [ɹ̠̊˔], for which there are significant perceptual differences.

  1. ^ "IPA i-charts (2018)". International Phonetic Association. Retrieved 5 June 2020.

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