shock-wave

shock wave

noun
1.
a region of abrupt change of pressure and density moving as a wave front at or above the velocity of sound, caused by an intense explosion or supersonic flow over a body.
2.
a repercussion from a startling event or upheaval; series of aftereffects: shock waves from the recent collapse of one of the nation's largest banks.

Origin:
1945–50

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Collins
World English Dictionary
shock wave
 
n
1.  sonic boom See also shock tube Often shortened to: shock a region across which there is a rapid pressure, temperature, and density rise, usually caused by a body moving supersonically in a gas or by a detonation
2.  a feeling of shock, horror, surprise, etc that affects many people as it spreads through a community
3.  the effect created on a queue of moving cars in the lane of a motorway when one car brakes suddenly and the cars behind have to brake as well, causing cars to slow down, sometimes for miles behind the first braking car

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
shock wave  
A large-amplitude wave formed by the sudden compression of the medium through which the wave moves. Shock waves can be caused by explosions or by objects moving through a fluid at a speed greater than the speed of sound.
The American Heritage® Science Dictionary
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