Definition of blast zone
: a region or area where a destructive explosion or detonation has occurred
- Today, Spirit Lake lies at the heart of the blast zone—the 230 square miles of forest that were buried, drowned, or scorched by the volcano.
- —Christine Colasurdo, Bird Watcher's Digest, March/April 1996
- … to control drone aircraft that flew into blast zones and took atmospheric readings in the U.S. Pacific atomic bomb testing programs.
- —Michael Kelly, San Angelo (Texas) Standard-Times, 5 Oct. 2012
