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.
To see the seven planets in the sky, it's recommended that viewers find a spot with minimal light pollution on a clear night. Samantha Mathewson, Space.com, 28 Feb. 2025 For the best view, head to a location with minimal light pollution and a clear view of the horizon. Kerry Breen, CBS News, 25 Feb. 2025 With little light pollution, the colors are incredibly vibrant against the icy landscape. Staff Report, Hartford Courant, 2 Feb. 2025 In addition, residents near the plant have complained of noise and light pollution from the facility. Rachel Royster, Austin American-Statesman, 19 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

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Cite this Entry

“Light pollution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pollution. Accessed 14 Mar. 2025.

Last Updated: - Updated example sentences
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