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Definition of skyglow
skyglow
/ˈskaɪ.ɡloʊ/
sky · glow
Plural:skyglows
skyglow Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Rare
Syllables
2
skyglow Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The diffuse illumination of the night sky, especially over urban areas, caused by artificial light scattered by atmospheric particles and clouds, or by natural sources such as starlight and airglow.
Example
"Astronomers must travel far from major cities because urban skyglow obscures faint stars and galaxies."
Synonyms
View all synonyms for skyglowUsage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Skyglow. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/skyglow