high-level wastenoun [ U ]
uk/ˌhaɪ.lev.əl ˈweɪst/us/ˌhaɪ.lev.əl ˈweɪst/waste, such as nuclear fuel that has been used to produce electricity, that is very radioactive and needs to be kept cool for many years before it can be disposed of without harming the environment
Thesaurus: synonyms and related words
Rubbish and waste
- debris
- detritus
- dross
- effluent
- flotsam
- froth
- jumble
- junk
- kitsch
- recycle
- refuse
- rubbish
- rubble
- scrap
- scrap heap
- scrappage
- tat
- upcycle
- upcycling
- waste product
See more results »