The term for the area of wave compressions produced by sounds from an object moving faster than the speed of sound is a sonic boom.

Here's a breakdown:

* Sonic boom: A loud explosive noise caused by the shock waves created when an object travels faster than the speed of sound.

* Shock waves: These are cones of compressed air that form in front of the object as it breaks the sound barrier.

* Wave compressions: These are the areas where the air molecules are squeezed together, creating the high-pressure regions that make up the sonic boom.

So, the term "sonic boom" encompasses the entire phenomenon, including the wave compressions, the shock waves, and the resulting loud noise.