ground zero

Definitions of ground zero
1

n the target of a projectile (as a bomb or missile)

Type of:
target, target area
the location of the target that is to be hit

n the point of detonation (or above or below) of a nuclear weapon

Type of:
point
the precise location of something; a spatially limited location

n the site of the World Trade Center before it was destroyed

Example of:
land site, site
the piece of land on which something is located (or is to be located)

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