CONSONANTS: INTERDENTALS

Interdentals are consonants for which the flow of air is restricted by catching the tongue between the teeth. Interdentals may be voiced (vocal cords vibrating during the articulation of the consonant) or voiceless (vocal cords not vibrating during the articulation of the consonant). There are two interdentals in Present-Day English.

1. /q/ (the phoneme spelled th in thistle): voiceless interdental fricative.
2. /ð/ (the phoneme spelled th in this): voiced interdental fricative.

 

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