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

But even alkaline garden soil may become acidic over time as a result of environmental factors, such as acid rain, or the overuse of synthetic fertilizers and other soil amendments. —Lauren Landers, Better Homes & Gardens, 9 Apr. 2025

However, another theory argues that latitude and atmospheric circulation may have limited the effects of acid rain, wildfire, and toxic gases in certain regions. —Laura Baisas, Popular Science, 12 Mar. 2025

These stars are responsible for the sort of core collapse supernovae that can strip earthlike planets of their atmospheric ozone, create acid rain and leave their surfaces exposed to harmful ultraviolet radiation. —Bruce Dorminey, Forbes, 14 Mar. 2025

And unlike the compounds that cause acid rain, these pollutants are almost impossible to get rid of. —Benji Jones, Vox, 10 Mar. 2025

Word History

First Known Use

1845, in the meaning defined above

Rhymes for acid rain

• aeroplane
• appertain
• ascertain
• capitaine
• cassegrain
• cellophane
• chatelaine
• counterpane
• entertain
• gethsemane
• halothane
• hurricane

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