English Explanatory Dictionary

acid rain

English dictionary entry

Meanings

noun
  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.

Pronunciation

LL-Q1860 (eng)-Wodencafe-acid rain.wav

Word forms

acid rain acid rains

Etymology

Coined in 1872 by Scottish chemist Robert Angus Smith.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on A Russian dictionary Dahl dictionary