HyperDic: plutonium_trigger

English > 1 sense of the expression plutonium trigger:
NOUNartifactplutonium trigger, plutonium pita steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives
English > plutonium trigger: 1 sense > noun 1, artifact
MeaningA steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives.
Synonymplutonium pit
Part ofatom bomb, atomic bomb, A-bomb, fission bomb, plutonium bombA nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
BroadertriggerA device that activates or releases or causes something to happen

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