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We found 51 dictionaries with English definitions that include the word ruby:
Click on the first link on a line below to go directly to a page where "ruby" is defined.

General (33 matching dictionaries)

1. ruby: Merriam-Webster.com [home, info]
2. ruby: Oxford Learner's Dictionaries [home, info]
3. ruby: American Heritage Dictionary of the English Language [home, info]
4. ruby: Collins English Dictionary [home, info]
5. ruby: Vocabulary.com [home, info]
6. ruby, ruby: Macmillan Dictionary [home, info]
7. Ruby, ruby: Wordnik [home, info]
8. ruby: Cambridge Advanced Learner's Dictionary [home, info]
9. Ruby, ruby: Wiktionary [home, info]
10. ruby: Webster's New World College Dictionary, 4th Ed. [home, info]
11. ruby: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. ruby: Infoplease Dictionary [home, info]
13. ruby: Dictionary.com [home, info]
14. ruby: Online Etymology Dictionary [home, info]
15. Ruby, ruby: UltraLingua English Dictionary [home, info]
16. ruby: Cambridge Dictionary of American English [home, info]
17. Ruby (American band), Ruby (Andrews novel), Ruby (British band), Ruby (Egyptian singer), Ruby (Kaiser Chiefs song), Ruby (Macy Gray album), Ruby (Programming Language), Ruby (Ruby Gentry theme), Ruby (Ruby album), Ruby (Sirsy album), Ruby (Supernatural), Ruby (The Land Before Time), Ruby (annotation), Ruby (band), Ruby (car), Ruby (color), Ruby (disambiguation), Ruby (elephant), Ruby (gemstone), Ruby (given name), Ruby (hardware description language), Ruby (lang), Ruby (language), Ruby (mango), Ruby (movie), Ruby (name), Ruby (pornographic actress), Ruby (programming language), Ruby (rock band), Ruby (song), Ruby, The Ruby (EP): Wikipedia, the Free Encyclopedia [home, info]
18. Ruby: Online Plain Text English Dictionary [home, info]
19. ruby: Webster's Revised Unabridged, 1913 Edition [home, info]
20. ruby: Rhymezone [home, info]
21. ruby: AllWords.com Multi-Lingual Dictionary [home, info]
22. ruby: Webster's 1828 Dictionary [home, info]
23. ruby: Stammtisch Beau Fleuve Acronyms [home, info]
24. Ruby, Ruby: Dictionary of Phrase and Fable (1898) [home, info]
25. Ruby: 1911 edition of the Encyclopedia Britannica [home, info]
26. ruby: Mnemonic Dictionary [home, info]
27. ruby: WordNet 1.7 Vocabulary Helper [home, info]
28. Ruby, ruby: LookWAYup Translating Dictionary/Thesaurus [home, info]
29. ruby: Dictionary/thesaurus [home, info]
30. ruby: Free Dictionary [home, info]
31. Ruby: Dictionary of Phrase and Fable (1898) [home, info]

Art (2 matching dictionaries)

32. Ruby: Glossary of Stamp Collecting Terms [home, info]
33. Ruby: Natural Magick [home, info]

Computing (7 matching dictionaries)

34. Ruby: Free On-line Dictionary of Computing [home, info]
35. Ruby: Game Dictionary [home, info]
36. Ruby, Ruby: Dictionary of Programming Languages [home, info]
37. Ruby: Tech Terms Computer Dictionary [home, info]
38. Ruby: Webopedia [home, info]
39. Ruby: Technopedia [home, info]
40. Ruby (gemstone), ruby: Encyclopedia [home, info]

Medicine (1 matching dictionary)

41. Ruby, ruby: online medical dictionary [home, info]

Miscellaneous (3 matching dictionaries)

42. Ruby, Ruby: baby names list [home, info]
43. Ruby: Brilliant Dream Dictionary [home, info]
44. ruby: Idioms [home, info]

Religion (1 matching dictionary)

45. Ruby: Easton Bible [home, info]

Science (1 matching dictionary)

46. RUBY: The Mineral Gallery [home, info]

Slang (1 matching dictionary)

47. Ruby (Murray): English slang and colloquialisms used in the United Kingdom [home, info]

Tech (2 matching dictionaries)

48. Ruby: GLOSSARY OF JEWELRY-RELATED TERMS [home, info]
49. Ruby: IndyGem Glossary [home, info]

(Note: See rubys for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (ruby) ▸ noun:  a transparent piece of ruby that has been cut and polished and is valued as a precious gem ▸ noun:  a transparent deep red variety of corundum; used as a gemstone and in lasers ▸ noun:  a deep and vivid red ▸ adjective:  having any of numerous bright or strong colors reminiscent of the color of blood or cherries or tomatoes or rubies ▸ name:  A female given name (rare: 1 in 452 females; popularity rank in the U.S.: #90) ▸ name:  A surname (rare: 1 in 25000 families; popularity rank in the U.S.: #3478) ▸ Also see rubys ▸ Word origin ▸ Words similar to ruby ▸ Usage examples for ruby ▸ Idioms related to ruby (New!) ▸ Popular adjectives describing ruby ▸ Popular nouns described by ruby ▸ Words that often appear near ruby ▸ Rhymes of ruby ▸ Invented words related to ruby