Dictionary

acid rain

acid rain

noun

: rain that contains dangerous chemicals because of smoke from cars and factories

Full Definition of ACID RAIN

:  acid precipitation in the form of rain

Examples of ACID RAIN

  1. trees damaged by acid rain

First Known Use of ACID RAIN

1845

acid rain

noun    (Medical Dictionary)

Medical Definition of ACID RAIN

:  acid precipitation especially in the form of rain

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March 05, 2015
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