high-level radioactive waste

1. 1.

   radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed

   Broaderradioactive waste

Questions about high-level radioactive waste

What does high-level radioactive waste mean?

high-level radioactive waste means "radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed".

Is high-level radioactive waste a common word?

high-level radioactive waste is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.