We found 39 dictionaries that define the word xenon:

General (22 matching dictionaries)

1. xenon: Longman Dictionary of Contemporary English
2. xenon: Merriam-Webster
3. xenon: Oxford Learner's Dictionaries
4. xenon: American Heritage Dictionary of the English Language
5. xenon: Collins English Dictionary
6. xenon: Vocabulary.com
7. Xenon, xenon: Wordnik
8. xenon: Cambridge Advanced Learner's Dictionary
9. xenon: Wiktionary
10. xenon: Webster's New World College Dictionary, 4th Ed.
11. xenon: The Wordsmyth English Dictionary-Thesaurus
12. xenon: Infoplease Dictionary
13. xenon: Dictionary.com
14. xenon: Online Etymology Dictionary
15. XENON, Xenon (computer game), Xenon (disambiguation), Xenon (manga), Xenon (nightclub), Xenon (pinball), Xenon (processor), Xenon (program), Xenon (tyrant), Xenon (video game), Xenon: Wikipedia, the Free Encyclopedia
16. xenon: Rhymezone
17. xenon: FreeDictionary.org
18. xenon: Mnemonic Dictionary
19. xenon: TheFreeDictionary.com
20. xenon: Wikimedia Commons US English Pronunciations

Art (1 matching dictionary)

21. Technical Glossary of Theatre Terms (No longer online)

Computing (1 matching dictionary)

22. Xenon (Xbox), xenon: Encyclopedia

Medicine (5 matching dictionaries)

23. xenon: Merriam-Webster Medical Dictionary
24. Dorland's Illustrated Medical Dictionary (No longer online)
25. Medical Dictionary (No longer online)
26. online medical dictionary (No longer online)
27. xenon: Medical dictionary

Miscellaneous (1 matching dictionary)

28. baby names list (No longer online)

Science (3 matching dictionaries)

29. Xenon: Extragalactic Astronomy
30. General Chemistry Online (No longer online)
31. Xenon, xenon: WebElements Periodic Table of the Elements

Slang (1 matching dictionary)

32. Xenon: Urban Dictionary

Tech (5 matching dictionaries)

33. AUTOMOTIVE TERMS (No longer online)
34. Energy Terms (No longer online)
35. Glossary of Meteorology (No longer online)
36. Explosives (No longer online)
37. PhotoNotes Dictionary of Film and Digital Photography (No longer online)

Definitions from Wiktionary ( ) ▸ noun:  The chemical element (symbol Xe) with an atomic number of 54. It is a colorless, odorless, unreactive noble gas, used notably in camera flash technology. Similar: XE, atomic number 54, xenonate, xenate, xenide, xenon difluoride, radioxenon, dixenon, xenic acid, xenonide, more... Opposite: xenoff, xenonless, anti-xenon Phrases: xenon arc, xenon poisoning, xenon isotopes, Xenon tetrafluoride, xenon hexafluoride, more... Adjectives: liquid, radioactive, stable, solid, 133, pure, inert, atmospheric, gaseous, noble, polarized Colors:     electric blue,     neon blue,     icy blue,     cool blue,     sky blue, more... ▸ Word origin ▸ Words similar to xenon ▸ Usage examples for xenon ▸ Idioms related to xenon ▸ Wikipedia articles (New!) ▸ Popular adjectives describing xenon ▸ Words that often appear near xenon ▸ Rhymes of xenon ▸ Invented words related to xenon