English

Nagasaki, Japan before and after atomic bombing in 1945

Alternative forms

• ground-zero

Noun

ground zero ‎(plural ground zeroes)

1. the point on the land or water surface below, above, or at which an atomic or nuclear bomb detonates
2. (by extension) the location of any disaster
3. (figuratively) the very beginning or elementary start of something

Translations

Hypernyms

• epicenter
• epicentre
• hypocenter
• hypocentre