fusion bomb

Definition of Fusion Bomb in English :

a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium

WordNet Lexical Database for English. Princeton University. 2010.

Fusion Bomb

noun

a type of bomb in which most of the energy is provided by nuclear fusion, esp the fusion of hydrogen isotopes

. Also called: thermonuclear bomb, fission-fusion bomb See also hydrogen bomb

a nuclear bomb in which the principal energy source is the fusion reaction that follows the initial fission reaction

n.

A hydrogen bomb that derives its released energy principally from fusion reactions.