The uvular is the dangly bit you can see at the back of your mouth. The sound is made by stopping and suddenly releasing air between the back of the tongue against the uvular. This is not a sound often made on its own as a single sound but can be oscillated to great effect.
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Place of Articulation
The following diagram shows where the Plosive: Uvular Plosive is made in the mouth.
The Plosive: Uvular Plosive is used in the following sounds: