The voiced alveolar lateral fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents voiced dental, alveolar, and postalveolar lateral fricatives is ⟨ɮ⟩, and the equivalent X-SAMPA symbol is K\.
Features of the voiced alveolar lateral fricative:
- Its manner of articulation is fricative, which means it is produced by constricting air flow through a narrow channel at the place of articulation, causing turbulence.
- Its place of articulation is alveolar, which means it is articulated with either the tip or the blade of the tongue at the alveolar ridge, termed respectively apical and laminal.
- Its phonation is voiced, which means the vocal cords vibrate during the articulation.
- It is an oral consonant, which means air is allowed to escape through the mouth only.
- It is a lateral consonant, which means it is produced by directing the airstream over the sides of the tongue, rather than down the middle.
- The airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the lungs and diaphragm, as in most sounds.
Dental or denti-alveolar
In addition, a pharyngealized voiced alveolar lateral fricative [ɮˤ] (help·info) is reconstructed to be the ancient Classical Arabic pronunciation of Ḍād; the letter is now pronounced in Modern Standard Arabic as a pharyngealized voiced coronal stop, as alveolar [dˤ] or denti-alveolar [d̪ˤ].
- Grønnum, Nina (2005), Fonetik og fonologi, Almen og Dansk (3rd ed.), Copenhagen: Akademisk Forlag, ISBN 87-500-3865-6
- Ladefoged, Peter (2005), Vowels and Consonants (2nd ed.), Blackwell
- Tench, Paul (2007), "Tera", Journal of the International Phonetic Association, 37 (1): 228–234, doi:10.1017/s0025100307002952