Postalveolar ejective affricate

Postalveolar ejective affricate

The postalveolar ejective affricate is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is IPA|tʃʼ.


Features of the postalveolar ejective affricate:

* Its manner of articulation is sibilant affricate, which means it is produced by first stopping the airflow entirely, then directing it through a groove in the tongue and over the sharp edge of the teeth, causing high-frequency turbulence.
* Its place of articulation is "palato-alveolar", that is, domed (partially palatalized) postalveolar, which means it is articulated with the front of the tongue behind the alveolar ridge, and the body of the tongue bunched up ("domed") at the palate.
* Its phonation type is voiceless, which means it is produced without vibrations of the vocal cords.
* It is an oral consonant, which means air is allowed to escape through the mouth.
* It is a central consonant, which means it is produced by allowing the airstream to flow over the center of the tongue, rather than the sides.
* The airstream mechanism is glottalic egressive, which means it is produced by pushing air with the glottis, rather than with the diaphragm.

ee also

* List of phonetic topics

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