acid rain

noun

Definition of acid rain

: 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

The lava emission appears to have paused since Wednesday but scientists are warning residents of acid rain, falling ash, and eruptions that could occur Friday and in coming weeks. Nicole Chavez, CNN, "Trump declares 'major disaster' in Hawaii after volcanic eruptions and lava," 12 May 2018 The vog's sulfuric acid droplets would fall, too -- thus, acid rain. Jason Hanna, CNN, "Volcanic ashes. Acid rain. And now massive boulders? All the calamities Hawaii is facing," 10 May 2018 Their high sulfur content is also harmful to the environment since sulfur, when mixed with water and air, forms sulfuric acid — the main component of acid rain. Aditi Shrikant, Vox, "The case against cruises," 15 Nov. 2018 Even lemon juice and orange juice are more acidic than acid rain. Angela Fritz, Washington Post, "Harmful acid rain in Hawaii? Probably not. The clouds of sulfur dioxide are much worse.," 10 May 2018 But acid rain can contaminate household water supplies by leaching metals from building and plumbing materials, the USGS says. Jason Hanna, CNN, "Volcanic ashes. Acid rain. And now massive boulders? All the calamities Hawaii is facing," 10 May 2018 The gray trunks of red spruce trees killed by acid rain once heavily scarred the mountain forests of the Northeast. Lisa Rathke, The Christian Science Monitor, "Pollution regulations decrease acid rain, spur red spruce rebound," 11 July 2018 What is needed is a cheap and reliable way of finding out whether a particular set of plants have actually been stressed by a fall of acid rain. The Economist, "A cheap way to save rice plants from the effects of acid rain," 12 July 2018 The area was also at risk for acid rain, which could lead to lead poisoning as rain falls on debris, Dr. Mazariegos said. Elisabeth Malkin, New York Times, "Guatemala Volcano’s Death Toll, Now at 65, Is Likely to Rise," 4 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acid rain.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of acid rain

1845, in the meaning defined above

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Statistics for acid rain

Last Updated

4 Jan 2019

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Time Traveler for acid rain

The first known use of acid rain was in 1845

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More Definitions for acid rain

acid rain

noun

English Language Learners Definition of acid rain

: rain that contains dangerous chemicals because of smoke from cars and factories

acid rain

noun

Medical Definition of acid rain

: acid precipitation especially in the form of rain

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More from Merriam-Webster on acid rain

Rhyming Dictionary: Words that rhyme with acid rain

Spanish Central: Translation of acid rain

Britannica.com: Encyclopedia article about acid rain

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