hydrogen bomb hyd·ro·gen·bomb uncommon noun (1) verb (1) noun 1. a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium Synonymshydrogen bombH-bombfusion bombthermonuclear bomb verb 1. attack with a hydrogen bomb Related words Broader terms nuclear weaponbombbombard WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
