acid rain

noun

: rain that has increased acidity caused by environmental factors (such as atmospheric pollutants)

Examples of acid rain in a Sentence

trees damaged by acid rain
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.
But using sulfur dioxide can also be considered a pollutant that might irritate people’s lungs, lead to acid rain, and potentially rip open the Antarctic ozone hole. Justine Calma, The Verge, 9 Dec. 2024 The European Union, which included the UK at the time, instituted new rules to address acid rain, which raised the cost of coal plants. John Timmer, Ars Technica, 30 Sep. 2024 The emissions that cause acid rain were cut in half. David Frum, Foreign Affairs, 18 Aug. 2014 Green methanol also has a lower sulfur content, reducing emissions of sulfur oxides, which contribute to air pollution and acid rain, according to the World Economic Forum. Dylan Butts, CNBC, 28 Nov. 2024 See all Example Sentences for acid rain 

Word History

First Known Use

1845, in the meaning defined above

Time Traveler
The first known use of acid rain was in 1845

Dictionary Entries Near acid rain

Cite this Entry

“Acid rain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20rain. Accessed 23 Dec. 2024.

Kids Definition

acid rain

noun
: rain with increased acidity that is caused by environmental factors (as atmospheric pollutants)

Medical Definition

acid rain

noun
: acid precipitation especially in the form of rain

More from Merriam-Webster on acid rain

Last Updated: - Updated example sentences
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