Wiktionary
n. The destructive wave of pressure caused by an explosion
Usage examples of "blastwave".
The blastwaves made his battered armor creak from intense pressure stress.
The blastwave was muted by the trees, but still managed to punch him into the trunk that he was using as cover.
Every tree for fifty kilometers was ripped out of the ground and smashed apart by the blastwave.
At least their drycoral house was all domes, allowing the worst of the blastwave pressure to slip smoothly over it.
If the structural quakes and blastwaves from the explosions had been this powerful they ought to have brought down the entire skyscraper.
Consequently, when the submunitions tore through them, the resultant blastwaves became a mantle of solid light that sealed the entire planet away from outside observation.