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acid rain

The definition of acid rain is harmful rain, snow or other precipitation that has become dirty and polluted (and thus dangerous to the Earth) with chemicals due to pollution.

Effects of Acid Rain

Direct contact - Can kill plant life depending on the plant’s sensitivity to acid.
On Organisms - Acid rain in the water can also wipe out entire species of organisms. Fish and other life forms in the water are extremely susceptible to acid rain.

(noun)

An example of acid rain is rain near a coal factory that kills the plants around it.

See acid rain in Webster's New World College Dictionary

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.

See acid rain in American Heritage Dictionary 4

noun

Acid precipitation falling as rain.

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