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.
One prevailing theory suggests that massive volcanic eruptions in present-day Siberia triggered widespread devastation on land through wildfires, acid rain, and toxic gases. Laura Baisas, Popular Science, 12 Mar. 2025 That theory claims that volcanic eruptions in Siberia triggered wildfires, acid rain, and toxic gases, which indiscriminately killed off much of the life on Earth. Paul Smaglik, Discover Magazine, 12 Mar. 2025 However, the case of acid rain raises serious questions about whether this is the right approach. Rachel Rothschild, Foreign Affairs, 24 Aug. 2015 From changing a hubcap to turning on the windscreen wipers as acid rain begins to hail down, and even having to manually put the car into drive, Pacific Drive is destined to become an all-timer for a very specific type of video-game fetishist. Lewis Gordon, Vulture, 5 Dec. 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

Browse Nearby Words

Cite this Entry

“Acid rain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20rain. Accessed 25 Mar. 2025.

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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