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Co Velar Approximant

Co-velar approximant
Number API	170
Symbol API	w
Unicode	U 0077
X-SAMPA	`w`
Kirshenbaum	`w`

change

Fricative consonant labial-velar fricative consonant is a sound used in some spoken languages. The symbol in the International Phonetic Alphabet is is more precisely a semi-vowel Features

Features of the fricative consonant labio-velar approximant:

Its manner of articulation is spirant , which means it is produced by contracting moderately phonation organs at the point of articulation, causing turbulence barely.
Its manner of articulation is labial-velar , which means it has two points of articulation, bilabial one hand, that is to say, the two rounded lips, and velar other hand, the party back of the tongue making a constriction in the soft palate.
Its phonation type is voiced , which means the vocal cords vibrate during the articulation.
It is an oral consonant , which means that no air escapes through the mouth.
It is a central consonant , which means it is produced by letting air pass over the middle of the tongue, rather than the sides.
Its mechanism of air flow is egressive lung , which means it is articulated by pushing air through the lungs and through the channel vocal tract, rather than from the glottis or the mouth.

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Spirants

Rolled

Battered

Affricates Fric.

Fricatives Fric.

Spirants Fric.

Battered Fric.

Non-consumptive

OCCL. injective

OCCL. ejective

Fric. ejective

Hits Central

Clicks side

Various Pulmonic consonants that are not part of another point of articulation:

Description	Symbol
Co-palatal approximant
Post-alveolar fricative consonant-velar fricative
Voiced alveolar lateral fricative voiced velarized

Where symbols appear in a box, the left represents a voiceless consonant , the right one voiced consonant (not applicable to clicks).
Boxes separated by dotted lines normally use the same symbols API base and differ only by diacritical possibly applied to move their joints.
Fields marked with an asterisk (*) indicate sounds not yet represented formally documented in the API.
Shaded areas indicate a link that seemed impossible. The empty white boxes indicate theoretical articulations possible but not yet certified.
The affricates ts, dz, t, d, t, d are rated using ligatures , , , , , common use, no longer part of the API (it is recommended replace them with two joints, associated with a ligature pull -subscribed-or superscript or with the fricative superscript).
The occlusive injective deaf in italics, sometimes used, are no longer part of the API (it is recommended to replace the symbol of the voiced consonant devoicing of the diacritic).