acid fog

noun

: fog having increased acidity caused by environmental factors (such as atmospheric pollutants)
Even so, a combination of acid fog and ozone may have made trees on this and other Eastern summits more vulnerable to bugs, weather, and drought.Edmund Faltermayer, Fortune, 17 July 1989

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of acid fog was in 1878

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Cite this Entry

“Acid fog.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20fog. Accessed 18 Apr. 2024.

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