airglow en · NOUN
Etymology
From air + glow.
Meanings
- (uncountable, usually) 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.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| airglows | Number=Plur | lexicographic |
Hyponyms
nightglow (faint illumination due to photochemical luminescence) · dayglow (faint illumination due to photochemical luminescence)
Synonyms
electroglow (faint illumination due to photochemical luminescence)