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1. (n.) ground zero
the point on the surface of the earth or water directly below, directly above, or at which an atomic or hydrogen bomb explodes.
2. ground zero
Informal. the most elementary level.
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| Definition of 'ground zero' |
Princeton's WordNet |
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1. (noun) ground zero
the target of a projectile (as a bomb or missile)
2. (noun) ground zero
the site of the World Trade Center before it was destroyed
3. (noun) ground zero
the point of detonation (or above or below) of a nuclear weapon
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| Definition of 'ground zero' |
Dictionary of Military and Associated Terms |
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1. ground zero
The point on the surface of the Earth at, or vertically below or above, the center of a planned or actual nuclear detonation. See also actual ground zero; desired ground zero.
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| Alternative search options for 'ground zero' |
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Definitions of ground zero 
