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blast wave

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noun
  1. 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 of blast wave

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018