acid snow

noun

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

Word History

First Known Use

1981, in the meaning defined above

Time Traveler

The first known use of acid snow was in 1981

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Cite this Entry

Style

“Acid snow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20snow. Accessed 30 Jun. 2025.

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Medical Definition

acid snow

noun

: acid precipitation in the form of snow

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