Found 2 items, similar to atomic bomb.
English → English (WordNet) Definition: atomic bomb atomic bomb n : 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, A-bomb, fission bomb, plutonium bomb]
English → English (gcide) Definition: atomic bomb Nuclear weapon \Nu"cle*ar wea"pon\, n. A weapon of great explosive power, such as an atomic bomb or a hydrogen bomb, which depends for most of its explosive power on the release of energy from within atomic nuclei by a nuclear reaction. A fission weapon or a fusion weapon. The term includes atomic shells for cannon. [PJC]