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

 

H-bomb

 noun
noun
BrE BrE//ˈeɪtʃ bɒm//
 
; NAmE NAmE//ˈeɪtʃ bɑːm//
 
Weapons
 
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= hydrogen bomb See related entries: Weapons Word Origin 1950s: from H (denoting hydrogen) + bomb.
See the Oxford Advanced American Dictionary entry: H-bomb

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