Definition of airglow in English:

airglow

Line breaks: air|glow
Pronunciation: /ˈɛːgləʊ
 
/

noun

[mass noun]
  • A glow in the night sky caused by radiation from the upper atmosphere.
    More example sentences
    • Click here to view a movie and narrative by Don Pettit describing some of the airglow he has seen.
    • The orangish arc extending to the left from the aurora is airglow viewed edgewise on the limb of the Earth.
    • There should not be any city lights or other light pollution: the airglow is a faint glow.

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a slit made by cutting with a saw