acid rain


noun

precipitation, as rain, snow, or sleet, containing relatively high concentrations of acid-forming chemicals, as the pollutants from coal smoke, chemical manufacturing, and smelting, that have been released into the atmosphere and combined with water vapor: harmful to the environment.

Origin of acid rain

First recorded in 1855–60

British Dictionary definitions for acid rain

acid rain

noun

rain that contains a high concentration of pollutants, chiefly sulphur dioxide and nitrogen oxide, released into the atmosphere by the burning of fossil fuels such as coal or oil

Cultural definitions for acid rain

acid rain

A type of precipitation made up of dilute acids, primarily a by-product of heavy industry.

notes for acid rain

Acid rain is a result of the combination of water with chemicals released into the atmosphere by the burning of fossil fuels.