We found 20 dictionaries that define the word nuclear weapon:

General (15 matching dictionaries)

1. nuclear weapon: Oxford Learner's Dictionaries
2. nuclear weapon: American Heritage Dictionary of the English Language
3. nuclear weapon: Collins English Dictionary
4. nuclear weapon: Vocabulary.com
5. nuclear-weapon, nuclear weapon: Wordnik
6. nuclear weapon: Wiktionary
7. nuclear weapon: Infoplease Dictionary
8. nuclear weapon: Dictionary.com
9. Nuclear weapon: Wikipedia, the Free Encyclopedia
10. nuclear weapon: Rhymezone
11. nuclear weapon: FreeDictionary.org
12. nuclear weapon: Mnemonic Dictionary
13. nuclear weapon: TheFreeDictionary.com

Business (1 matching dictionary)

14. nuclear weapon: Legal dictionary

Computing (1 matching dictionary)

15. Nuclear-weapon, nuclear weapon: Encyclopedia

Medicine (1 matching dictionary)

16. nuclear weapon: Medical dictionary

Miscellaneous (1 matching dictionary)

17. Army Technology Glossary (No longer online)

Slang (1 matching dictionary)

18. nuclear weapon: Urban Dictionary

(Note: See nuclear_weapons as well.)

Definitions from Wiktionary (nuclear weapon) ▸ noun:  A weapon that derives its energy from the nuclear reactions of either fission or fusion. Similar: thermonuclear weapon, nuclear energy, nuclear power, nuclear battery, atomic fusion, atomic fission, nuclear fission, atomic power, atomic energy, nuclear fusion, more... Phrases: nuclear weapon accident, tactical nuclear weapon employment, Nuclear weapon design, Nuclear weapon yield, Strategic nuclear weapon, more... ▸ Words similar to nuclear weapon ▸ Usage examples for nuclear weapon ▸ Idioms related to nuclear weapon ▸ Wikipedia articles (New!) ▸ Words that often appear near nuclear weapon ▸ Rhymes of nuclear weapon ▸ Invented words related to nuclear weapon