Word.ws English Dictionary

noctilucous

noctilucous adjective: shining in the night or darkness; luminescent.

Adjective

noctilucous (comparative more noctilucous, superlative most noctilucous)

  1. (obsolete) Shining in the night or darkness; luminescent.
    • noctilucous cloud
    • noctilucous plankton

Forms of noctilucous

comparativemore noctilucous
superlativemost noctilucous

Origin of noctilucous

Learned borrowing from New Latin noctilūcus.

Questions about noctilucous

What does noctilucous mean?
Noctilucous means shining in the night or darkness; luminescent.
What part of speech is noctilucous?
Noctilucous is an adjective.

Words near noctilucous in the dictionary

  1. noctilucent cloud
  2. noctilucent clouds
  3. noctilucin
  4. noctilucine
  5. noctilucoid
  6. noctilucous
  7. noctiluminous
  8. noctious
  9. noctiphobia
  10. noctivagant
  11. noctivagants

Source and license

Adapted from Wiktionary: noctilucous (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “noctilucous.” Word.ws, https://word.ws/noctilucous. Based on Wiktionary, CC BY-SA 4.0.