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.
How And Where To See ‘Shooting Stars’ The advice for meteor showers is simple — get far from light pollution. Jamie Carter, Forbes.com, 21 July 2025 For best viewing, NASA advises spectators to lie flat on their back in a region away from light pollution. Julia Jacobo, ABC News, 14 July 2025 These include light pollution, urban development, the use of pesticides and other chemicals sprayed in yards, and climate change. Connor Giffin, The Courier-Journal, 3 July 2025 Map: Best places to watch the meteor showers in Texas Texas is home to several International Dark Sky Communities, designated by the International Dark-Sky Association for their commitment to reducing light pollution and preserving night skies. Brandi D. Addison, Austin American Statesman, 2 July 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 27 Jul. 2025.

Last Updated: - Updated example sentences
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