light pollution

light pollution
1. unwanted or harmful light, as from bright street lights or neon signs.
2. Astron. artificial illumination of the sky that sets a limit on the faintness of stars that can be observed or photographed.
[1970-75]

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Universalium. 2010.

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  • light pollution — noun Date: 1971 artificial skylight (as from city lights) that interferes especially with astronomical observations …   New Collegiate Dictionary

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  • light pollution — noun excessive brightening of the night sky by street lights and other man made sources …   English new terms dictionary

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