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a self-sustaining nuclear reaction; a series of nuclear fissions in which neutrons released by splitting one atom leads to the splitting of others
decay, disintegration, radioactive decay
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
a nuclear reaction occurring with absorption of energy
a nuclear reaction accompanied by the evolution of energy
fission, nuclear fission
a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
fusion, nuclear fusion, nuclear fusion reaction
a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
(physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles
radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle
radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle
nuclear fusion at or near room temperatures; claims to have discovered it are generally considered to have been mistaken
a nuclear fusion reaction taking place at very high temperatures (as in the sun)