fusion bomb fusion • fusion cooking · · · Info · Definitions · Synonyms · Characters · · fusion bomb · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium. Synonyms: hydrogen bomb, H-bomb, fusion bomb, thermonuclear bomb. · · Noun Definition 1 Synonyms · · · hydrogen bomb · · Synonym 1 h-bomb · · Synonym 2 thermonuclear bomb · · Synonym 3 Characters · · space U+0020 b latin small letter b U+0062 f latin small letter f U+0066 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075