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Alveolar ejective fricative
Consonantal sound represented by ⟨sʼ⟩ in IPA From Wikipedia, the free encyclopedia
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The alveolar ejective fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨sʼ⟩.
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Features
Features of the alveolar ejective fricative:
- Its manner of articulation is sibilant fricative, which means it is generally produced by channeling air flow along a groove in the back of the tongue up to the place of articulation, at which point it is focused against the sharp edge of the nearly clenched teeth, causing high-frequency 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 un-voiced, which means it is produced without vibrations of the vocal cords.
- It is an oral consonant, which means that air is exclusively allowed to escape through the mouth.
- It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
- The airstream mechanism is ejective (glottalic egressive), which means the air is forced out by pumping the glottis upward.
In many languages, it is allophonic with the affricate [ts'].[1]
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Occurrence
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See also
References
External links
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