nuclear

Universal Words adjective [usuallybeforenoun] 1 using, producing or resulting from nuclear energy: a nuclear power station * the nuclear industry * nuclear-powered submarines 2 connected with weapons that use nuclear energy: a nuclear weapon / bomb / missile * a nuclear explosion / attack / war * the country's nuclear capability (= the fact that it has nuclear weapons) * nuclear capacity (= the number of nuclear weapons a country has) 3 (physics) of the NUCLEUS (= central part) of an atom: nuclear particles / physics * a nuclear reaction