English noun: ground zero | |||
1. | ground zero (location) the target of a projectile (as a bomb or missile) | ||
Broader (hypernym) | target, target area | ||
2. | ground zero (location) the site of the World Trade Center before it was destroyed | ||
Instance hypernym | land site, site | ||
Part meronym | Greater New York, New York, New York City | ||
3. | ground zero (location) the point of detonation (or above or below) of a nuclear weapon | ||
Broader (hypernym) | point | ||