from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Precipitation abnormally high in sulfuric and nitric acid content that is caused by atmospheric pollutants.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water
Sorry, no etymologies found.
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.