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Dictionary


shock' wave"




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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

shock troopsshock wave therapy
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