Word.ws English Dictionary

noctilucent cloud

noctilucent cloud noun: 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.

noctilucent cloud: clouds characterized by their electric-blue or silvery-white, wispy streaks, filaments, or ripples...
Image: Mika-Pekka Markkanen, CC BY-SA 4.0, via Wikimedia Commons

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

noctilucent cloud meaning in Tamil and Malayalam

noctilucent cloud in Tamil

இரவில் மின்னும் மேகம்

noctilucent cloud in Malayalam

നിശാദീപ്‌തമേഘം

Synonyms of noctilucent cloud

Forms of noctilucent cloud

pluralnoctilucent clouds

Origin of noctilucent cloud

The clouds were studied extensively by German astronomer Otto Jesse, who was the first to photograph them in 1887, and seems to have been the one to coin the term noctilucent cloud.

Questions about noctilucent cloud

What does noctilucent cloud mean?
Noctilucent cloud means 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.
What is noctilucent cloud in Tamil?
Noctilucent cloud in Tamil is இரவில் மின்னும் மேகம். See Noctilucent cloud meaning in Tamil.
What part of speech is noctilucent cloud?
Noctilucent cloud is a noun.
What is the plural of noctilucent cloud?
The plural of noctilucent cloud is noctilucent clouds.

Words near noctilucent cloud in the dictionary

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

Source and license

Adapted from Wiktionary: noctilucent cloud (page history and authors); noctilucent cloud (Tamil Wiktionary) (page history and authors); noctilucent cloud (Malayalam Wiktionary) (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-noctilucent cloud.wav.

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