/ English Dictionary |
PLUTONIUM TRIGGER
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives
Synonyms:
plutonium pit; plutonium trigger
Classified under:
Nouns denoting man-made objects
Hypernyms ("plutonium trigger" is a kind of...):
trigger (a device that activates or releases or causes something to happen)
Holonyms ("plutonium trigger" is a part of...):
A-bomb; atom bomb; atomic bomb; fission bomb; plutonium bomb (a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239))