airglow

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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.

Similar
electroglow
UncommonScrabble 11
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Meanings

nounairglow (usually uncountable, plural airglows)

plural airglows

  1. uncountableusuallyA 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 & antonyms

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

Similar
electroglow

Origin

From air + glow.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Gwalior
Cite this entry
APA

airglow. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/airglow

MLA

“airglow.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/airglow. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “airglow,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/airglow.

Source: airglow on Wiktionary, CC BY-SA 4.0.