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We found 43 dictionaries with English definitions that include the word opal:
Click on the first link on a line below to go directly to a page where "opal" is defined.

General (30 matching dictionaries)

1. opal: Merriam-Webster.com [home, info]
2. opal: Oxford Learner's Dictionaries [home, info]
3. opal: American Heritage Dictionary of the English Language [home, info]
4. opal: Collins English Dictionary [home, info]
5. opal: Vocabulary.com [home, info]
6. opal: Macmillan Dictionary [home, info]
7. Opal, opal: Wordnik [home, info]
8. opal: Cambridge Advanced Learner's Dictionary [home, info]
9. Opal, opal: Wiktionary [home, info]
10. opal: Webster's New World College Dictionary, 4th Ed. [home, info]
11. opal: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. opal: Infoplease Dictionary [home, info]
13. opal: Dictionary.com [home, info]
14. opal: Online Etymology Dictionary [home, info]
15. Opal, opal: UltraLingua English Dictionary [home, info]
16. OPAL (software), Opal (The Simpsons), Opal (apple), Opal (armoured personnel carrier), Opal (band), Opal (disambiguation), Opal (fuel), Opal (given name), Opal (programming language), Opal: Wikipedia, the Free Encyclopedia [home, info]
17. Opal: Online Plain Text English Dictionary [home, info]
18. opal: Webster's Revised Unabridged, 1913 Edition [home, info]
19. opal: Rhymezone [home, info]
20. Opal (m), opal: AllWords.com Multi-Lingual Dictionary [home, info]
21. opal: Webster's 1828 Dictionary [home, info]
22. Opal: 1911 edition of the Encyclopedia Britannica [home, info]
23. opal: Free Dictionary [home, info]
24. opal: Mnemonic Dictionary [home, info]
25. opal: WordNet 1.7 Vocabulary Helper [home, info]
26. Opal, opal: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. opal: Dictionary/thesaurus [home, info]
28. Opal: Dictionary of Phrase and Fable (1898) [home, info]

Art (3 matching dictionaries)

29. Opal: Beading Glossary [home, info]
30. Opal: Natural Magick [home, info]
31. OPAL: ODLIS: Online Dictionary of Library and Information Science [home, info]

Computing (2 matching dictionaries)

32. Opal: Free On-line Dictionary of Computing [home, info]
33. opal: Encyclopedia [home, info]

Medicine (1 matching dictionary)

34. Opal, opal: online medical dictionary [home, info]

Miscellaneous (4 matching dictionaries)

35. Opal: baby names list [home, info]
36. Opal: Brilliant Dream Dictionary [home, info]
37. OPAL: Acronym Finder [home, info]
38. OPAL: AbbreviationZ [home, info]

Science (2 matching dictionaries)

39. Opal: Eric Weisstein's World of Chemistry [home, info]
40. OPAL: The Mineral Gallery [home, info]

Slang (1 matching dictionary)

41. Opal: Urban Dictionary [home, info]

(Note: See opals for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (opal) ▸ noun:  a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones ▸ name:  A female given name (common: 1 in 2000 females; popularity rank in the U.S.: #346) ▸ name:  A surname (very rare: popularity rank in the U.S.: #39686) ▸ Also see opals ▸ Word origin ▸ Words similar to opal ▸ Usage examples for opal ▸ Idioms related to opal (New!) ▸ Popular adjectives describing opal ▸ Words that often appear near opal ▸ Rhymes of opal ▸ Invented words related to opal