Library / English Dictionary

    PLUTONIUM TRIGGER

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosivesplay

    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))

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