PLUTONIUM PIT

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 pit" is a kind of...):

trigger (a device that activates or releases or causes something to happen)

Holonyms ("plutonium pit" 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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