We found 20 dictionaries that define the word antineutron:

General (17 matching dictionaries)

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

Computing (1 matching dictionary)

18. antineutron: Encyclopedia

Science (1 matching dictionary)

19. Antineutron: Eric Weisstein's World of Physics

Tech (1 matching dictionary)

20. Glossary of Meteorology (No longer online)

(Note: See antineutrons as well.)

Definitions from Wiktionary (antineutron) ▸ noun:  (physics) The antiparticle corresponding to a neutron. Similar: antineutrino, antinucleon, antideuteron, neutron, quasineutron, antielectron neutrino, neutronium, antimuon neutrino, element zero, antisneutrino, more... Opposite: proton, opposite of neutron ▸ Words similar to antineutron ▸ Usage examples for antineutron ▸ Idioms related to antineutron ▸ Wikipedia articles (New!) ▸ Popular adjectives describing antineutron ▸ Words that often appear near antineutron ▸ Rhymes of antineutron ▸ Invented words related to antineutron