1. a faint, steady glow in the night sky caused by the emission of light from atoms and molecules in the upper atmosphere
Usage: plural form of airglow; astronomy/atmospheric science term

1. to emit or produce an airglow; to glow with the characteristic light of atmospheric airglow
Usage: third person singular present tense of airglow; rare usage; primarily technical

Examples

• The astronomer observed multiple airglows across different wavelengths during the night observation.
• Airglows in the mesosphere are caused by chemical reactions involving oxygen and nitrogen.
• The sky airglows faintly even on the darkest nights due to atmospheric emissions.
• Researchers study airglows to better understand upper atmospheric chemistry.
• The faint airglows were visible to the sensitive camera but not to the naked eye.
• Different airglows occur at various altitudes in Earth's atmosphere.