Dental fricative
The dental fricative or interdental fricative is a fricative consonant pronounced with the tip of the tongue pressing under the teeth. There are several types (those used in English being written as th):
- Voiced dental fricative [ð] - as in the English this, [ðɪs].
- Voiceless dental fricative [θ] - as in the English thin, [θɪn].
- Dental ejective fricative [θʼ]