Ground Zero Definition
noun
The target of a projectile, such as a missile or bomb.
American Heritage
The site of a terrorist bombing or other violent act of destruction.
American Heritage
The land or water surface area directly below or above the point of detonation, as of a nuclear bomb.
Webster's New World
The center of rapid or intense development or change.
Webster's New World
Nothing.
Webster's New World
pronoun
The site of the former World Trade Center towers in New York City destroyed on 11 September 2001.
Wiktionary
Other Word Forms of Ground Zero
Noun
Singular:
ground zeroPlural:
ground-zeroes
Ground Zero Is Also Mentioned In
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