radioactive waste

English Thesaurus

1. useless radioactive materials that are left after some laboratory or commercial process is completed (noun.substance)

hypernym	:	radioactive material,
definition	:	material that is radioactive (noun.substance)

hyponym	:	high-level radioactive waste,
definition	:	radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed (noun.substance)

hyponym	:	low-level radioactive waste,
definition	:	(medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests) (noun.substance)