We found 19 dictionaries that define the word radioactive waste:

General (13 matching dictionaries)

1. radioactive waste: Longman Dictionary of Contemporary English
2. radioactive waste: Collins English Dictionary
3. radioactive waste: Vocabulary.com
4. radioactive waste: Wiktionary
5. radioactive waste: Infoplease Dictionary
6. radioactive waste: Dictionary.com
7. Radioactive Waste, Radioactive waste: Wikipedia, the Free Encyclopedia
8. radioactive waste: Rhymezone
9. radioactive waste: FreeDictionary.org
10. radioactive waste: Mnemonic Dictionary
11. radioactive waste: TheFreeDictionary.com

Computing (1 matching dictionary)

12. radioactive waste: Encyclopedia

Medicine (2 matching dictionaries)

13. Medical Dictionary (No longer online)
14. online medical dictionary (No longer online)

Science (2 matching dictionaries)

15. Environmental Terminology Discovery Service (No longer online)
16. Waste, radioactive: NRC Glossary of Nuclear Terms --

Tech (1 matching dictionary)

17. Glossary of Energy Terms (No longer online)

(Note: See radioactive_wastes as well.)

Definitions from Wiktionary (radioactive waste) ▸ noun:  Waste containing radioactive nuclides. Similar: radiowaste, radionucleotide, radiolead, radioruthenium, radioactive tracer, radioactive dating, exradio, radiolabel, radiorhenium, radiology, more... Phrases: high level radioactive waste, high-level radioactive waste, low level radioactive waste, low-level radioactive waste, radioactive waste management, more... ▸ Words similar to radioactive waste ▸ Usage examples for radioactive waste ▸ Idioms related to radioactive waste ▸ Wikipedia articles (New!) ▸ Words that often appear near radioactive waste ▸ Rhymes of radioactive waste ▸ Invented words related to radioactive waste