blast wave

noun
a violent propagating disturbance, produced by an explosion in air, that consists of an abrupt rise in pressure followed by a drop in pressure to or below atmospheric pressure.
Also, blast.
Compare shock wave.


Origin:
1935–40

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
The truck vanished in a thunderous flash, and a blast wave slammed into the walls.
Gray background indicates air density and shows a spherical blast wave that reflects from the ground.
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