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EnglishEdit

 
airglow, from earth orbit

EtymologyEdit

air +‎ glow

NounEdit

airglow (usually uncountable, plural airglows)

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

SynonymsEdit

  • (faint illumination due to photochemical luminescence): electroglow

HyponymsEdit

ReferencesEdit