blast wave
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
1935-40
Examples from the web for
blast wave
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.