English

Definition of hydrogen bomb noun from the Oxford Advanced Learner's Dictionary

 

hydrogen bomb

 noun
noun
BrE BrE//ˈhaɪdrədʒən bɒm//
 
; NAmE NAmE//ˈhaɪdrədʒən bɑːm//
 
(also H-bomb) Weapons
 
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a very powerful nuclear bomb See related entries: Weapons
See the Oxford Advanced American Dictionary entry: hydrogen bomb