fission bomb

1 definition found

fission bomb - WordNet (r) 2.1 (2005) :

  fission bomb
      n 1: 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) [syn: atom bomb,
           atomic bomb, A-bomb, fission bomb, plutonium bomb]