shock wave

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Related to Normal shock: Oblique shock

shock wave

1. A compression wave produced by a shock such as an earthquake or explosion that is characterized by a sudden change in air pressure, density, and velocity.
2. An electromagnetic or sonic shock wave focused at a specific target (e.g., within the body).
3. A sudden disruption. See: extracorporeal shock wave lithotripsy; shock wave
See also: wave
References in periodicals archive ?
The first frame shows the terminal normal shock set up in front of the cowl.
Both types of exit boundary conditions produce the same peak overpressure strength, because the duct is long enough to develop a normal shock capable of yielding the same strength at the throat as a normal shock generated at the engine face.
In the first frame, the stationary normal shock and the moving hammer shock approach rapidly near the throat.