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Definition of Plutonium pit
1. Noun. A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives.
Exact synonyms: Plutonium Trigger
Group relationships: A-bomb, Atom Bomb, Atomic Bomb, Fission Bomb, Plutonium Bomb
Generic synonyms: Trigger
Group relationships: A-bomb, Atom Bomb, Atomic Bomb, Fission Bomb, Plutonium Bomb
Generic synonyms: Trigger