Alveolar ejective fricative
consonantal sound
An 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⟩.
Features
Features of an alveolar ejective fricative:
Its manner of articulation is sibilant (a subclass of fricatives and affricates), which means it is generally produced with a higher-frequency turbulence. Sibilants may be articulated with various tongue shapes and degrees of palatalization, depending on their place of articulation.
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 voiceless, which means it is produced without vibrations of the vocal cords.
It is an oral consonant, which means that air is not allowed to escape through the nose.
It is a median consonant, which means it is produced by directing the airstream down the midline 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'].
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This entry incorporates text from “Alveolar ejective fricative” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.