light pollution

noun

: artificial skylight (as from city lights) that interferes especially with astronomical observations

Examples of light pollution in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Getting away from light pollution or even the bright light of a full moon will allow for improved viewing conditions, space experts say. Julia Jacobo, ABC News, 13 Feb. 2025 By train In Norway, hop aboard the Northern Lights Train, also known as the Arctic Circle Express, to get far away from light pollution caused by cars and streetlights. Jamie Davis Smith, USA TODAY, 1 Feb. 2025 Opponents argue that mining operations could harm marine life, damage underwater ecosystems, contribute to underwater pollution (including noise and light pollution) and reduce the seafloor’s ability to sequster carbon. Sarah Kuta, Smithsonian Magazine, 23 Jan. 2025 The best time to view auroral activity is between 10 p.m. and 2 a.m. local time while at a high vantage point away from light pollution, according to NOAA. Ty Roush, Forbes, 23 Jan. 2025 See all Example Sentences for light pollution 

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of light pollution was in 1969

Dictionary Entries Near light pollution

Cite this Entry

“Light pollution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pollution. Accessed 19 Feb. 2025.

Last Updated: - Updated example sentences
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