Word Study
plutonium pit
WORDNET DICTIONARY
Noun plutonium pit has 1 sense
- plutonium pit(n = noun.artifact) plutonium trigger - a steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives; Array is a part of a-bomb, atom bomb, atomic bomb, fission bomb, plutonium bomb
is a kind of trigger
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