noun
a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
• Syn: ↑H-bomb, ↑fusion bomb, ↑thermonuclear bomb
• Hypernyms: ↑nuclear weapon, ↑atomic weapon, ↑bomb
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noun, pl ⋯ bombs [count]
: a bomb that produces an extremely powerful and destructive explosion when hydrogen atoms unite — called also H-bomb
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a very powerful nuclear bomb
See also: ↑H-bomb
Useful english dictionary. 2012.