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airglow

From Wiktionary, the free dictionary

English

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airglow, from earth orbit

Etymology

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From air +‎ glow.

Noun

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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

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  • (faint illumination due to photochemical luminescence): electroglow

Hyponyms

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References

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