Word Study
plutonium trigger
WORDNET DICTIONARY
Noun plutonium trigger has 1 sense
- plutonium trigger(n = noun.artifact) plutonium pit - 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
For further exploring for "plutonium trigger" in Webster Dictionary Online