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.
Definition of airglow in:
- The US English dictionary