We found 28 dictionaries that define the word nyctophobia:

General (17 matching dictionaries)

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

Computing (1 matching dictionary)

18. nyctophobia: Encyclopedia

Medicine (8 matching dictionaries)

19. nyctophobia: Merriam-Webster Medical Dictionary
20. Dorland's Illustrated Medical Dictionary (No longer online)
21. Nyctophobia: MedTerms.com Medical Dictionary
22. online medical dictionary (No longer online)
23. Probert Encyclopaedia of Medicine (No longer online)
24. nyctophobia: Medical dictionary
25. Nyctophobia: Drug Medical Dictionary
26. Hyperdictionary (No longer online)

Miscellaneous (1 matching dictionary)

27. Nyctophobia: The Phobia List

Slang (1 matching dictionary)

28. Nyctophobia: Urban Dictionary

(Note: See nyctophobias as well.)

Definitions from Wiktionary (nyctophobia) ▸ noun:  A fear of the night, nighttime, or darkness. Similar: noctiphobia, noctophobia, nyctinasty, needle phobia, nocturnalism, nightmare, nocturesis, night vision, night terror, nocturne, more... ▸ Words similar to nyctophobia ▸ Usage examples for nyctophobia ▸ Idioms related to nyctophobia ▸ Wikipedia articles (New!) ▸ Popular adjectives describing nyctophobia ▸ Words that often appear near nyctophobia ▸ Rhymes of nyctophobia ▸ Invented words related to nyctophobia