groundburst
/ˈɡraʊndˌbɜrst/
noun
- An explosion that occurs on or very near the ground, especially of a nuclear weapon or bomb.
- Unlike an airburst, a groundburst produces more radioactive fallout.
- The military studied the effects of a groundburst on underground bunkers.
- A groundburst creates a large crater and sends debris high into the air.
Antonyms