- a surface of discontinuity in a flow of air, sound, etc. set up when the flow suddenly changes from subsonic to supersonic, characterized by marked increases in temperature, pressure, and density of the flow, as in supersonic flow about an airplane wing
- blast (noun)
shock waveshock wave
- A large-amplitude compression wave, as that produced by an explosion or by supersonic motion of a body in a medium.
- A severe disruption, disturbance, or reaction: The bad news sent shock waves through the stock market.