|Manners of articulation|
|See also: Place of articulation|
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In phonetics, an obstruent is a consonant sound formed by obstructing the airway, causing turbulence. Obstruents are subdivided into plosives, fricatives, and affricates. Obstruents are prototypically voiceless, though voiced obstruents are common. This contrasts with sonorants, which are rarely voiceless.