acid rain

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Etymology

[edit]

Coined in 1872 by Scottish chemist Robert Angus Smith.

Pronunciation

[edit]
  • Audio (US):(file)

Noun

[edit]

acid rain (countable and uncountable, plural acid rains)

  1. Rain which is unusually acidic (pH of less than the natural range of 5 to 6); caused mainly by atmospheric pollution with sulphur dioxide, carbon dioxide and nitrogen compounds.
    Hypernym: acid precipitation
    • 1987 January 20, “Airborne Pollutants”, in The New York Times[1], →ISSN:
      Acid rain forms when water in the atmosphere condenses on particles containing acid-forming pollutants, such as sulfate produced by the burning of fossil fuels and nitrogen oxides from automobile exhausts.

Translations

[edit]

Further reading

[edit]

Anagrams

[edit]