We found 9 dictionaries that define the word nuclear weapons:

General (5 matching dictionaries)

1. nuclear weapons: Collins English Dictionary
2. nuclear weapons: Vocabulary.com
3. Nuclear-Weapons, nuclear-weapons: Wordnik
4. nuclear weapons: Wiktionary
5. Nuclear Weapons, Nuclear weapons: Wikipedia, the Free Encyclopedia

Business (1 matching dictionary)

6. Nuclear Weapons: Legal dictionary

Computing (1 matching dictionary)

7. nuclear weapons: Encyclopedia

Medicine (1 matching dictionary)

8. Nuclear weapons: Merck Manuals

Slang (1 matching dictionary)

9. nuclear weapons: Urban Dictionary

(Note: See nuclear_weapon as well.)

Definitions from Wiktionary (nuclear weapon) ▸ noun:  A weapon that derives its energy from the nuclear reactions of either fission or fusion. ▸ Also see nuclear_weapon Phrases: Treaty on the Non-Proliferation of Nuclear Weapons, Treaty on the Prohibition of Nuclear Weapons, Nuclear weapons and Israel, Nuclear weapons of the United States, German nuclear weapons program, more... ▸ Words similar to nuclear weapons ▸ Usage examples for nuclear weapons ▸ Idioms related to nuclear weapons ▸ Wikipedia articles (New!) ▸ Words that often appear near nuclear weapons ▸ Rhymes of nuclear weapons ▸ Invented words related to nuclear weapons