Word.ws English Dictionary

noctilucent clouds

noctilucent clouds is the plural of noctilucent cloud.

Meaning of noctilucent cloud

Noun

noctilucent cloud (plural noctilucent clouds)

  1. Clouds characterized by their electric-blue or silvery-white, wispy streaks, filaments, or ripples high in the twilight sky; Earth's highest clouds, glowing at the edge of space, serving as indicators of climate change, showing increased frequency and visibility linked to human activities like methane emissions and rocket launches; maintain unique formation in frigid summer mesosphere, from ice crystals on meteoric dust, providing scientists with high-altitude atmospheric window into changes in upper atmospheric water vapor and dynamics.
    • See also: noctilucent, NLC

Questions about noctilucent clouds

What is noctilucent clouds the plural of?
Noctilucent clouds is the plural of noctilucent cloud.

Words near noctilucent clouds in the dictionary

  1. noctilucal
  2. noctilucas
  3. noctilucence
  4. noctilucent
  5. noctilucent cloud
  6. noctilucent clouds
  7. noctilucin
  8. noctilucine
  9. noctilucoid
  10. noctilucous
  11. noctiluminous

Source and license

Adapted from Wiktionary: noctilucent clouds (page history and authors); noctilucent cloud (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: “noctilucent clouds.” Word.ws, https://word.ws/noctilucent_clouds. Based on Wiktionary, CC BY-SA 4.0.