From Longman Dictionary of Contemporary Englishnuclear wasteˌnuclear ˈwaste noun [uncountable] waste material from nuclear reactors, which is radioactive the problems of nuclear waste disposal
Examples from the Corpus
nuclear waste• Britain has already accumulated enough nuclear waste to build 5,000 atom bombs.• For nuclear waste, disposal into space is more feasible but has been discounted on numerous occasions because of the risks.• When they did so, they hoped that reprocessing could cut the cost of disposing of nuclear waste.• Immense sums are being spent on the storage of nuclear waste.• Nor can the market get rid of or store nuclear waste. 