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.
The chapter will have afternoon educational exhibits, solar telescope viewing with special filters and a panel discussion on light pollution and dark sky advocacy. Abby Hamblin, San Diego Union-Tribune, 13 Aug. 2025 Under clear skies and low light pollution, this year's shower could deliver between 50 and 100 meteors per hour at its peak. Samantha Mathewson, Space.com, 12 Aug. 2025 With clear skies and minimal light pollution, viewers could see up to 100 meteors per hour at peak. Amanda Castro hannah Parry anna Commander, MSNBC Newsweek, 12 Aug. 2025 Avid stargazers should seek out a rural area with little light pollution and a wide view of the night sky to see the most meteors possible, according to NASA. Hannah Poukish, Sacbee.com, 12 Aug. 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

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Cite this Entry

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

Last Updated: - Updated example sentences
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