Routledge Dictionary of Language and Linguistics
place of articulation (also point of articulation)
1 In the narrow sense (also passive articulator), upper and back parts of the oral cavity (upper lips, teeth, palate, uvula, etc.), which can be completely or partially contacted by one of the (relatively mobile, active) articulatory organs (
articulator).
In contrast to the articulatory organs, the places of articulation are relatively stationary. (Although the uvula can vibrate, it is still a potential goal for some of the articulatory organs.)
2 In the broad sense, constriction of the air-stream during articulation, due to the contact or proximity of an articulatory organ with a place of articulation in the narrow sense. (
also articulatory phonetics)
References
phonetics
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