We found 24 dictionaries that define the word H-bomb:

General (20 matching dictionaries)

1. H-bomb: Merriam-Webster
2. H-bomb: Oxford Learner's Dictionaries
3. H-bomb: American Heritage Dictionary of the English Language
4. H-bomb, H-bomb: Collins English Dictionary
5. H-bomb: Vocabulary.com
6. H-Bomb, H-bomb: Wordnik
7. H-bomb, h-bomb: Cambridge Advanced Learner's Dictionary
8. H-bomb: Wiktionary
9. H-bomb: Webster's New World College Dictionary, 4th Ed.
10. H-bomb: The Wordsmyth English Dictionary-Thesaurus
11. H-bomb: Dictionary.com
12. h-bomb: Cambridge Essential American English Dictionary
13. H-bomb: Wikipedia, the Free Encyclopedia
14. H-bomb: Rhymezone
15. h-bomb: FreeDictionary.org
16. h-bomb: Mnemonic Dictionary
17. H-bomb: TheFreeDictionary.com
18. H-bomb: Merriam-Webster

Computing (1 matching dictionary)

19. H-bomb: Encyclopedia

Miscellaneous (1 matching dictionary)

20. H-BOMB: Acronym Finder

Science (1 matching dictionary)

21. From Stargazers to Starships Glossary (No longer online)

Slang (1 matching dictionary)

22. h-bomb: Urban Dictionary

(Note: See h-bombs as well.)

Definitions from WordNet ( ) ▸ noun:  a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium Similar: fusion bomb, hydrogen bomb, thermonuclear bomb, Big H, hydrogen warhead, h-word, HESH, H-beam, hoe-bag, hbar, more... Opposite: a-bomb, atomic bomb ▸ Words similar to H-bomb ▸ Usage examples for H-bomb ▸ Idioms related to H-bomb ▸ Wikipedia articles (New!) ▸ Popular adjectives describing H-bomb ▸ Words that often appear near H-bomb ▸ Rhymes of H-bomb ▸ Invented words related to H-bomb