- plutonium pit as a noun:
- 1
plutonium pit
noun
1 plutonium pit
A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives.
synonym: plutonium trigger.
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noun
A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives.
synonym: plutonium trigger.
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