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nucl-
nuclear
nuclear air
nuclear bomb
nuclear chemistry
nuclear deterrent
nuclear disarmament
nuclear emulsion
nuclear energy
nuclear envelope
nuclear family
nuclear fission
nuclear force
nuclear-free zone
nuclear fuel
nuclear fusion
nuclear magnetic resonance
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nuclear reactor
nu·cle·ar re·ac·tor (plural nu·cle·ar re·ac·tors)


noun 
Definition:
 
device producing heat from nuclear fission: a device in which controlled nuclear fission takes place to produce heat energy
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