acid precipitation

noun

: precipitation (such as rain or snow) having increased acidity caused by environmental factors (such as atmospheric pollutants)

Example Sentences

Recent Examples on the Web Some countries throughout Asia like China still see widespread effects of acid precipitation frequently. Tori B. Powell, CBS News, 22 Apr. 2022 But despite emission reductions, Likens warns that acid precipitation in North America is not entirely a thing of the past. Tori B. Powell, CBS News, 22 Apr. 2022

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

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of acid precipitation was in 1955

Dictionary Entries Near acid precipitation

Cite this Entry

“Acid precipitation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20precipitation. Accessed 8 Feb. 2023.

Kids Definition

acid precipitation

noun
: precipitation (as rain or snow) with increased acidity that is caused by environmental factors

Medical Definition

acid precipitation

noun
: precipitation (as rain or snow) having increased acidity caused by environmental factors (as atmospheric pollutants)
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