airglow

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English[edit]

airglow, from earth orbit

Etymology[edit]

air +‎ glow

Noun[edit]

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 instruments.

Synonyms[edit]

  • (faint illumination due to photochemical luminescence): electroglow

Hyponyms[edit]

References[edit]

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