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We found 80 dictionaries with English definitions that include the word acid:
Click on the first link on a line below to go directly to a page where "acid" is defined.

General (34 matching dictionaries)

1. acid: Merriam-Webster.com [home, info]
2. acid: Oxford Learner's Dictionaries [home, info]
3. acid: American Heritage Dictionary of the English Language [home, info]
4. acid: Collins English Dictionary [home, info]
5. acid: Vocabulary.com [home, info]
6. acid, acid: Wordnik [home, info]
7. acid: Cambridge Advanced Learner's Dictionary [home, info]
8. ACID, acid: Wiktionary [home, info]
9. acid: Webster's New World College Dictionary, 4th Ed. [home, info]
10. acid: The Wordsmyth English Dictionary-Thesaurus [home, info]
11. acid: Infoplease Dictionary [home, info]
12. ACID: Dictionary.com [home, info]
13. acid: Online Etymology Dictionary [home, info]
14. acid: UltraLingua English Dictionary [home, info]
15. acid: Cambridge Dictionary of American English [home, info]
16. acid: Cambridge International Dictionary of Idioms [home, info]
17. ACID (computer science), ACID, ACiD, Acid (band), Acid (chemistry), Acid (disambiguation), Acid (drug), Acid (film), Acid (hip-hop), Acid (hip hop group), Acid, The Acid: Wikipedia, the Free Encyclopedia [home, info]
18. Acid: Online Plain Text English Dictionary [home, info]
19. acid: Webster's Revised Unabridged, 1913 Edition [home, info]
20. acid: Rhymezone [home, info]
21. acid: AllWords.com Multi-Lingual Dictionary [home, info]
22. acid: Webster's 1828 Dictionary [home, info]
23. ACID, acid: Stammtisch Beau Fleuve Acronyms [home, info]
24. acid: Free Dictionary [home, info]
25. acid: Mnemonic Dictionary [home, info]
26. acid: WordNet 1.7 Vocabulary Helper [home, info]
27. acid: LookWAYup Translating Dictionary/Thesaurus [home, info]
28. acid: Dictionary/thesaurus [home, info]
29. acid: Wikimedia Commons US English Pronunciations [home, info]
30. Acid (computer virus): Wikipedia, the Free Encyclopedia [home, info]
31. acid, acid: Macmillan Dictionary [home, info]
32. Acid: Wordnik [home, info]

Art (7 matching dictionaries)

33. acid: ArtLex Lexicon of Visual Art Terminology [home, info]
34. Acid: Health & Beauty Glossary [home, info]
35. Acid: Epicurus.com Cheese Glossary [home, info]
36. acid: Epicurus.com Coffee Glossary [home, info]
37. acid-: A Cross Reference of Latin and Greek Elements [home, info]
38. Acid: Glossary of Stamp Collecting Terms [home, info]
39. Acid: Natural Magick [home, info]

Business (3 matching dictionaries)

40. Acid: Construction Term Glossary [home, info]
41. Acid (chemistry), acid: Legal dictionary [home, info]
42. acid: BusinessDictionary.com [home, info]

Computing (3 matching dictionaries)

43. ACID: Free On-line Dictionary of Computing [home, info]
44. ACID: Webopedia [home, info]
45. Acid (chemistry), Acid (drug), Acid (electronic music), acid: Encyclopedia [home, info]

Medicine (6 matching dictionaries)

46. Acid: Merck Manuals [home, info]
47. ACID, acid: online medical dictionary [home, info]
48. Acid: Hair Facts [home, info]
49. acid: Dictionary of Cancer Terms [home, info]
50. Acid (chemistry), Acid (drug), acid, acid-: Medical dictionary [home, info]
51. acid: PERFUSION TECHNOLOGY, OPEN HEART SURGERY AND CARDIOLOGY [home, info]

Miscellaneous (5 matching dictionaries)

52. acid: Encyclopedia of Graphic Symbols [home, info]
53. Acid: Brilliant Dream Dictionary [home, info]
54. ACID: Acronym Finder [home, info]
55. ACID: AbbreviationZ [home, info]
56. acid: Idioms [home, info]

Science (8 matching dictionaries)

57. acid: Electrochemistry Dictionary [home, info]
58. Acid: Chemistry Dictionary [home, info]
59. Acid: Eric Weisstein's World of Chemistry [home, info]
60. acid: PHYSICAL ORGANIC CHEMISTRY [home, info]
61. Acid: Material Safety Data Sheets HyperGlossary [home, info]
62. acid: General Chemistry Online [home, info]
63. Acid: Fishkeeping glossary [home, info]
64. acid: UNCChem Glossary [home, info]

Slang (3 matching dictionaries)

65. acid: English slang and colloquialisms used in the United Kingdom [home, info]
66. Acid: Totally Unofficial Rap [home, info]
67. Acid: Street Terms: Drugs and the Drug Trade [home, info]

Tech (11 matching dictionaries)

68. acid: Book Binding [home, info]
69. Acid: AUTOMOTIVE TERMS [home, info]
70. Acid: Glossary of Cheese Terms [home, info]
71. acid: Construction deterioration & building durability glossary [home, info]
72. Acid: Beauty & Health Glossary [home, info]
73. acid: Glossary of Coffee Terminology [home, info]
74. ACID: Lake and Water Word Glossary [home, info]
75. Acid: Oil Analysis [home, info]
76. acid: Schlumberger Oilfield Glossary [home, info]
77. ACID: Power Engineering [home, info]
78. acid: Water-Science Glossary of Terms [home, info]

(Note: See acidy for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (acid) ▸ noun:  street name for lysergic acid diethylamide ▸ noun:  any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt ▸ adjective:  containing acid ("An acid taste") ▸ adjective:  harsh or corrosive in tone ("A barrage of acid comments") ▸ Also see acidy ▸ Word origin ▸ Words similar to acid ▸ Usage examples for acid ▸ Idioms related to acid (New!) ▸ Popular adjectives describing acid ▸ Popular nouns described by acid ▸ Words that often appear near acid ▸ Rhymes of acid ▸ Invented words related to acid