Word.ws English Dictionary

airglow

airglow noun: a faint illumination in the sky due to photochemical luminescence in the upper atmosphere, now rarely observed by earthbound humans without the assistance of instruments.

airglow: a faint illumination in the sky due to photochemical luminescence in the upper atmosphere, now...
Image: NASA Goddard's Conceptual Image Lab/B. Monroe, Public domain, via Wikimedia Commons

Noun

airglow (usually uncountable, plural airglows)

  1. (usually) A faint illumination in the sky due to photochemical luminescence in the upper atmosphere, now rarely observed by earthbound humans without the assistance of instruments.
    Synonyms:
    electroglow

Synonyms of airglow

Forms of airglow

pluralairglows

Origin of airglow

From air + glow.

Questions about airglow

What does airglow mean?
Airglow means a faint illumination in the sky due to photochemical luminescence in the upper atmosphere, now rarely observed by earthbound humans without the assistance of instruments.
What part of speech is airglow?
Airglow is a noun.
What is the plural of airglow?
The plural of airglow is airglows.

Words near airglow in the dictionary

  1. airgasmic
  2. airgasms
  3. Airgialla
  4. airgirl
  5. airgirls
  6. airglow
  7. airglows
  8. airgram
  9. airgrams
  10. airgraph
  11. airgraphics

Source and license

Adapted from Wiktionary: airglow (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: “airglow.” Word.ws, https://word.ws/airglow. Based on Wiktionary, CC BY-SA 4.0.