fission bomb

Từ điển Oxford Learners Wordfinder Dictionary

noun

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, plutonium bomb
• Hypernyms:
nuclear weapon, atomic weapon, bomb
• Hyponyms:
clean bomb, dirty bomb, neutron bomb
• Part Meronyms:
plutonium trigger, plutonium pit