Search the Dictionary:

A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

acid rain

Courtesy EPA.gov

acid rain:

A form of pollution caused by the large-scale burning of nitrogen- and sulfur-rich fuels such as coal, gasoline, and diesel oil. The weak acids that form in rainwater as a result can cause death to many kinds of water plants and animals.