unwanted or harmful light, as from bright street lights or neon signs.
Astronomy. artificial illumination of the sky that sets a limit on the faintness of stars that can be observed or photographed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use light pollution in a sentence
The town passed rules in 2017 to preserve the dark sky, so light pollution should remain minimal.Chinese astronomers want to build an observatory in the Tibetan Plateau | Neel V. Patel | August 19, 2021 | MIT Technology Review
The first is whether it tends to have clear skies—that means no dense cloud formations, and very little light pollution.Chinese astronomers want to build an observatory in the Tibetan Plateau | Neel V. Patel | August 19, 2021 | MIT Technology Review
Brightness will matter depending on how much light pollution you have in your room.QLED vs. OLED vs. Mini LED: Understanding TV backlight tech | Billy Cadden | July 29, 2021 | Popular-Science
In 2010, artist and astronomer Tyler Nordgren coined the slogan “half the park is after dark” to promote the nocturnal skygazing that the lack of light pollution in many national parks affords.
If there isn’t one within striking distance, this interactive map of light pollution can help you find the next best thing.Everything You Need to Know to Take Your Kids Stargazing | lwhelan | July 18, 2021 | Outside Online
In regards to the more tangible issues, then, among environmental issues, where would you rank light pollution?
A piece in National Geographic characterized light pollution as likely the easiest pollution problem to solve.
As with many aspects of modern life, light pollution represents both a triumph of technology and a minor disaster.
British Dictionary definitions for light pollution
the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012