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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
Some effects might include potential ozone depletion and acid rain.
—Devika Rao, theweek, 12 Nov. 2024
Volcanic ash can bury crops, damage livestock health, contaminate soil, and poison water supplies, while SO2 mixes with water vapor to form sulfuric acid, contributing to acid rain, which damages vegetation, soils, and water bodies.
—Nina Turner, Newsweek, 29 Oct. 2024
Frontier View 2 Images A technique originally developed to combat acid rain has the potential to pull an enormous amount of carbon dioxide out of the atmosphere – while helping to deacidify oceans, restore rivers and boost biodiversity and fish populations.
—New Atlas, 24 Sep. 2024
The problem of acid rain began well over a century ago, but sulfur dioxide levels grew quickly after World War II.
—Alexander E. Gates, The Conversation, 23 Sep. 2024
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Word History
First Known Use
1845, in the meaning defined above
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 1 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
Britannica.com: Encyclopedia article about acid rain
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