We found 35 dictionaries that define the word luminous:

General (26 matching dictionaries)

1. luminous: Merriam-Webster.com
2. luminous: Oxford Learner's Dictionaries
3. luminous: American Heritage Dictionary of the English Language
4. luminous: Collins English Dictionary
5. Luminous, luminous: Wordnik
6. luminous: Cambridge Advanced Learner's Dictionary
7. luminous: Wiktionary
8. luminous: Webster's New World College Dictionary, 4th Ed.
9. luminous: The Wordsmyth English Dictionary-Thesaurus
10. luminous: Infoplease Dictionary
11. luminous: Dictionary.com
12. luminous: Online Etymology Dictionary
13. luminous: Cambridge Essential American English Dictionary
14. Luminous (ClariS song), Luminous (The Horrors album), Luminous (book), Luminous (story collection), Luminous: Wikipedia, the Free Encyclopedia
15. Luminous: Online Plain Text English Dictionary
16. luminous: Webster's Revised Unabridged, 1913 Edition
17. luminous: Rhymezone
18. luminous: AllWords.com Multi-Lingual Dictionary
19. luminous: Webster's 1828 Dictionary
20. luminous: Free Dictionary
21. luminous: Mnemonic Dictionary
22. luminous: LookWAYup Translating Dictionary/Thesaurus
23. luminous: Dictionary/thesaurus
24. luminous: Vocabulary.com

Art (1 matching dictionary)

25. luminous: ArtLex Lexicon of Visual Art Terminology

Business (1 matching dictionary)

26. luminous: Legal dictionary

Computing (1 matching dictionary)

27. luminous: Encyclopedia

Medicine (2 matching dictionaries)

28. online medical dictionary (No longer online)
29. luminous: Medical dictionary

Science (1 matching dictionary)

30. Luminous: Extragalactic Astronomy

Slang (1 matching dictionary)

31. luminous: Urban Dictionary

Tech (2 matching dictionaries)

32. luminous: Lighting Design Glossary
33. Glossary of Meteorology (No longer online)

(Note: See luminously as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Emitting light; glowing brightly; shining. ▸ adjective:  Brightly illuminated. ▸ adjective:  Clear; enlightening; easy to understand. Similar: bright, lucent, aglow, glowing, lambent, luminant, lightsome, alight, light-bearing, glorious, more... Opposite: dull, unlit, dark Types: bioluminescent, luminescent, phosphorescent, glow-in-the-dark, more... Phrases: luminous intensity, luminous flux, luminous efficiency, luminous cloud, Luminous paint, more... Adjectives: self, least, large, fair, non Colors:     neon green,     electric blue ▸ Word origin ▸ Words similar to luminous ▸ Usage examples for luminous ▸ Idioms related to luminous ▸ Wikipedia articles (New!) ▸ Popular nouns described by luminous ▸ Words that often appear near luminous ▸ Rhymes of luminous ▸ Invented words related to luminous