ACID RAIN

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water

Synonyms:

acid precipitation; acid rain

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("acid rain" is a kind of...):

air pollution (pollution of the atmosphere)

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