Acid Rain Definition
noun
Acid precipitation falling as rain.
American Heritage
Rain or other precipitation with a high concentration of acids produced by sulfur dioxide, nitrogen dioxide, and other such gases that result from the combustion of fossil fuels: it has a destructive effect on plant and aquatic life, buildings, etc.
Webster's New World
Rain which is unusually acidic (pH of less than the natural range of 5 to 6); caused mainly by atmospheric pollution with sulphur dioxide and nitrogen compounds.
Wiktionary
Synonyms:
Other Word Forms of Acid Rain
Noun
Singular:
acid rain
Plural:
acid-rainsAcid Rain Is Also Mentioned In
Find Similar Words
Find similar words to acid rain using the buttons below.