We found 44 dictionaries that define the word acid rain:

General (21 matching dictionaries)

1. acid rain: Merriam-Webster
2. acid rain: Oxford Learner's Dictionaries
3. acid rain: American Heritage Dictionary of the English Language
4. acid rain: Collins English Dictionary
5. acid rain: Vocabulary.com
6. acid-rain: Wordnik
7. acid rain: Cambridge Advanced Learner's Dictionary
8. acid rain: Wiktionary
9. acid rain: The Wordsmyth English Dictionary-Thesaurus
10. acid rain: Infoplease Dictionary
11. acid rain: Dictionary.com
12. Acid Rain (Alexis Jordan song), Acid Rain (album), Acid Rain (song), Acid rain (disambiguation), Acid rain: Wikipedia, the Free Encyclopedia
13. acid rain: Rhymezone
14. acid rain: AllWords.com Multi-Lingual Dictionary
15. acid rain: FreeDictionary.org
16. acid rain: Mnemonic Dictionary
17. acid rain: TheFreeDictionary.com
18. acid rain: Longman Dictionary of Contemporary English
19. acid rain: Merriam-Webster

Business (3 matching dictionaries)

20. Travel Industry Dictionary (No longer online)
21. Construction Term Glossary (No longer online)
22. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

23. acid rain: Encyclopedia

Medicine (6 matching dictionaries)

24. acid rain: Merriam-Webster Medical Dictionary
25. Acid rain: MedTerms.com Medical Dictionary
26. Medical Dictionary (No longer online)
27. online medical dictionary (No longer online)
28. acid rain: Medical dictionary
29. Acid rain: Drug Medical Dictionary

Science (3 matching dictionaries)

30. Botanical Terms (No longer online)
31. Illustrated Glossary of Geologic Terms (No longer online)
32. ACID RAIN: Zoom Astronomy Glossary

Slang (1 matching dictionary)

33. Acid Rain: Urban Dictionary

Tech (9 matching dictionaries)

34. Acid Rain: Glossary of Air Pollution Terms
35. AUTOMOTIVE TERMS (No longer online)
36. acid rain: Construction deterioration & building durability glossary
37. Glossary of Meteorology (No longer online)
38. Lake and Water Word Glossary (No longer online)
39. National Weather Service Glossary (No longer online)
40. Glossary of Energy Terms (No longer online)
41. ACID RAIN: Power Engineering
42. Glossary of Water Resource Terms (No longer online)

(Note: See acid_rains as well.)

Definitions from Wiktionary (acid rain) ▸ noun:  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. Similar: acid precipitation, sulfur rain, sulphur rain, mineral acid, subacid, muriatic acid, salt acid, sludge acid, petrichor, acidochromism, more... Opposite: basic rain, alkaline rain Types: wet, dry, more... Phrases: Acid Rain Program, opposite of acid rain, more... Adjectives: alkalescent, subacid, acidulous, alkaline, neutral, fermental, acidogenic, working, oxyphilic, heterofermentative, acidic ▸ Words similar to acid rain ▸ Usage examples for acid rain ▸ Idioms related to acid rain ▸ Wikipedia articles (New!) ▸ Words that often appear near acid rain ▸ Rhymes of acid rain ▸ Invented words related to acid rain