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We found 85 dictionaries with English definitions that include the word index:
Click on the first link on a line below to go directly to a page where "index" is defined.

General (34 matching dictionaries)

1. index: Merriam-Webster.com [home, info]
2. index, the Index: Oxford Learner's Dictionaries [home, info]
3. index: American Heritage Dictionary of the English Language [home, info]
4. index: Collins English Dictionary [home, info]
5. index: Vocabulary.com [home, info]
6. index, index: Macmillan Dictionary [home, info]
7. Index, index: Wordnik [home, info]
8. index: Cambridge Advanced Learner's Dictionary [home, info]
9. Index: InfoVisual Visual Dictionary [home, info]
10. Index, index: Wiktionary [home, info]
11. index: Webster's New World College Dictionary, 4th Ed. [home, info]
12. index: The Wordsmyth English Dictionary-Thesaurus [home, info]
13. index: Infoplease Dictionary [home, info]
14. index: Dictionary.com [home, info]
15. index: Online Etymology Dictionary [home, info]
16. Index, index: UltraLingua English Dictionary [home, info]
17. index: Cambridge Dictionary of American English [home, info]
18. INDEX (satellite), INDEX, Index (A Certain Magical Index), Index (Hungarian website), Index (To Aru Majutsu No Index), Index (UK), Index (anime), Index (database), Index (disambiguation), Index (economics), Index (finance), Index (group theory), Index (news portal), Index (publishing), Index (retailer), Index (search engine), Index (statistics), Index (typography), Index, The Index (Dubai), The Index (band), The Index (skyscraper): Wikipedia, the Free Encyclopedia [home, info]
19. Index: Online Plain Text English Dictionary [home, info]
20. index: Webster's Revised Unabridged, 1913 Edition [home, info]
21. Index (m), index, index (de), index (m): AllWords.com Multi-Lingual Dictionary [home, info]
22. index: Webster's 1828 Dictionary [home, info]
23. Index: Dictionary of Phrase and Fable (1898) [home, info]
24. Index: 1911 edition of the Encyclopedia Britannica [home, info]
25. index: Free Dictionary [home, info]
26. index: Mnemonic Dictionary [home, info]
27. index: WordNet 1.7 Vocabulary Helper [home, info]
28. index: LookWAYup Translating Dictionary/Thesaurus [home, info]
29. index: Dictionary/thesaurus [home, info]
30. Index (44K), Index: UVic Writer's Guide [home, info]
31. index: Rhymezone [home, info]
32. index(e): AllWords.com Multi-Lingual Dictionary [home, info]

Art (5 matching dictionaries)

33. Index: English-Chinese Dictionary of Graphic Communications (Big 5) [home, info]
34. INDEX: Shakespeare Glossary [home, info]
35. Index: Lexicon of Linguistics [home, info]
36. Index: Natural Magick [home, info]
37. index: ODLIS: Online Dictionary of Library and Information Science [home, info]

Business (19 matching dictionaries)

38. Index: MoneyGlossary.com [home, info]
39. index: Webster's New World Finance & Investment Dictionary [home, info]
40. index: INVESTORWORDS [home, info]
41. Index: THE 'LECTRIC LAW LIBRARY'S REFERENCE ROOM [home, info]
42. index: Glossary of Legal Terms [home, info]
43. Index: Bloomberg Financial Glossary [home, info]
44. Index: Deardorff's Glossary of International Economics [home, info]
45. Index: Futures and Options Market Terminology [home, info]
46. index: Finance-Glossary.com [home, info]
47. Index: MonsterMoving Mortgage Glossary [home, info]
48. Index: Inflation Glossary [home, info]
49. Index: Investopedia [home, info]
50. Index: Securities Terminology [home, info]
51. Index (ideaologies), Index (ideologies), The Index, index: Legal dictionary [home, info]
52. Index (ideaologies), Index (ideologies), The Index, index: Financial dictionary [home, info]
53. index: BusinessDictionary.com [home, info]
54. Index: WashingtonPost.com: Business [home, info]
55. Index: Yahoo Tax Center Glossary [home, info]
56. index: Everybody's Legal Dictionary [home, info]

Computing (9 matching dictionaries)

57. index: Computer Telephony & Electronics Dictionary and Glossary [home, info]
58. Index: Database Glossary [home, info]
59. Index: Tech Terms Computer Dictionary [home, info]
60. index: Webopedia [home, info]
61. Index: Technopedia [home, info]
62. Index (group theory), Index (ideaologies), Index (ideologies), Index (search engine), Index (semiotics), Index (the Roman Catholic Church), The Index, index: Encyclopedia [home, info]
63. index: Free On-line Dictionary of Computing [home, info]
64. index: Netlingo [home, info]
65. Index: Cybernetics and Systems [home, info]

Medicine (4 matching dictionaries)

66. index: online medical dictionary [home, info]
67. Index: Gray's Anatomy (1918) [home, info]
68. Index (ideaologies), Index (ideologies), Index (semeiotic), Index (semiotics), The Index, index: Medical dictionary [home, info]
69. Index, Index: Obesity, Physical Activity, and Weight-control Glossary [home, info]

Miscellaneous (2 matching dictionaries)

70. index: Genealogy Glossary [home, info]
71. INDEX: Acronym Finder [home, info]

Science (5 matching dictionaries)

72. Index: A Glossary of Mathematical Terms [home, info]
73. Index: Eric Weisstein's World of Mathematics [home, info]
74. index: MATH SPOKEN HERE! [home, info]
75. -index, -index, index, index, index, index, index, index, index, index, index: PlanetMath Encyclopedia [home, info]
76. Index: Glossary of Avian Terms For Use in Avian Conservation Biology [home, info]

Slang (1 matching dictionary)

77. index: Urban Dictionary [home, info]

Tech (6 matching dictionaries)

78. index: Book Binding [home, info]
79. Index: AUTOMOTIVE TERMS [home, info]
80. index: Glossary of Meteorology [home, info]
81. Index: Glossary of video terms [home, info]
82. Index: Construction Glossary [home, info]
83. index: Search Engine Dictionary [home, info]

(Note: See indices for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (index) ▸ noun:  the finger next to the thumb ▸ noun:  an alphabetical listing of names and topics along with page numbers where they are discussed ▸ noun:  a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time ▸ noun:  a numerical scale used to compare variables with one another or with some reference number ▸ noun:  a mathematical notation indicating the number of times a quantity is multiplied by itself ▸ verb:  provide with an index ("Index the book") ▸ verb:  list in an index ▸ verb:  adjust through indexation ("The government indexes wages and prices") ▸ Also see indices ▸ Word origin ▸ Words similar to index ▸ Usage examples for index ▸ Idioms related to index (New!) ▸ Popular adjectives describing index ▸ Words that often appear near index ▸ Rhymes of index ▸ Invented words related to index