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 All these eruptions emitted prodigious quantities of CO₂ and sulfur dioxide and may have damaged the ozone layer and stressed vegetation with acid rain and mercury. Howard Lee, Ars Technica, 25 July 2023 And has the makeup of these communities changed over time, in response to climate change, acid rain and invasive species? Maddie Bender, Smithsonian Magazine, 19 Mar. 2024 But the core samples show signs of human progress, too, reflecting the end of above-ground nuclear testing, improvements in air quality, and curbing of acid rain. Peter Weber, The Week, 21 June 2023 Mercury and acid Fox and colleagues proposed that acid rain from volcanic gases may have contributed to the tree loss. Howard Lee, Ars Technica, 8 Feb. 2023 So if insects, mercury, acid rain and fog, ozone damage, and even wildfires were not enough, what destroyed the terrestrial ecosystem? Howard Lee, Ars Technica, 8 Feb. 2023 Climate change holds the environment down while it is kicked by other stressors like acid rain, mercury, or even plagues of insects until ecosystems break. Howard Lee, Ars Technica, 8 Feb. 2023 The asteroid impact also sparked wildfires, tsunamis and acid rain. Sarah Kuta, Smithsonian Magazine, 31 Oct. 2023 The ozone hole and acid rain were not fixed with the first international agreements on the table. Hannah Ritchie, Scientific American, 25 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'acid rain.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 Apr. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!