Definition of nuclear fission
physics
:a process in which the nucleus of a heavy atom is split apart
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nuclear fission
noun
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Word by Word Definitions
nuclear
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: of, relating to, or constituting a nucleus
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: of or relating to the atomic nucleus
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: used in or produced by a nuclear (see nuclear 2) reaction (such as fission)
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fission
play
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: a splitting or breaking up into parts
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: reproduction by spontaneous division of the body into two or more parts each of which grows into a complete organism
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: the splitting of an atomic nucleus resulting in the release of large amounts of energy
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: to undergo fission
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: to cause to undergo fission
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