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Ground zero
01
the exact location of a nuclear explosion
Examples
Survivors recounted the devastation at ground zero of the atomic bomb blast in Hiroshima.
Rescue workers bravely entered ground zero to search for survivors amidst the rubble of the collapsed buildings.
02
the initial stage or place in which a significant event or activity happens or starts
Examples
The discovery of the new virus strain marked ground zero for the global pandemic.
The company 's decision to relocate its headquarters marked ground zero for their expansion into international markets.
03
the site of the former World Trade Center in New York City after its destruction on September 11, 2001
Examples
Visitors left flowers at ground zero.
Ground zero has been redeveloped as a memorial site.
04
the intended impact point of a bomb, missile, or other projectile
Examples
The map indicated ground zero for the planned detonation.
Ground zero marks the target for precision bombing exercises.
