nuclear
adjective
uk/ˈnjuːkliər/ us/ˈnuːkliər/ ENVIRONMENT, NATURAL RESOURCES, PRODUCTION
relating to the power produced when the central part of an atom is divided or joined to another one:
nuclear energy/power/fuel The country had agreed to disable its main nuclear fuel production plant by the end of the year.
the nuclear industry
a nuclear plant/facility
relating to weapons that use nuclear energy:
a nuclear bomb/deterrent/war