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We found 54 dictionaries with English definitions that include the word ballast:
Click on the first link on a line below to go directly to a page where "ballast" is defined.

General (31 matching dictionaries)

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

Art (2 matching dictionaries)

30. BALLAST: Technical Glossary of Theatre Terms [home, info]
31. Ballast: Natural Magick [home, info]

Business (4 matching dictionaries)

32. ballast: Travel Industry Dictionary [home, info]
33. Ballast: Construction Term Glossary [home, info]
34. Ballast: eyefortransport e-commerce transportation glossary [home, info]
35. ballast: Glossary of Trade and Shipping Terms [home, info]

Computing (1 matching dictionary)

36. ballast: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

37. ballast: online medical dictionary [home, info]
38. ballast: Medical dictionary [home, info]

Miscellaneous (1 matching dictionary)

39. BALLAST: Acronym Finder [home, info]

Slang (1 matching dictionary)

40. ballast: Urban Dictionary [home, info]

Sports (2 matching dictionaries)

41. Ballast: Internet Karting Glossary [home, info]
42. Ballast: Sports Definitions [home, info]

Tech (10 matching dictionaries)

43. Ballast: AUTOMOTIVE TERMS [home, info]
44. BALLAST: Roofing Terms [home, info]
45. BALLAST: Energy Terms [home, info]
46. Ballast: Glossary of video terms [home, info]
47. BALLAST: Lake and Water Word Glossary [home, info]
48. Ballast: Construction Glossary [home, info]
49. Ballast: Glossary of Energy Terms [home, info]
50. ballast: SeaTalk Dictionary of English Nautical Language [home, info]
51. Ballast: Latitude Mexico [home, info]
52. ballast: Aquarium [home, info]

(Note: See ballasts for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (ballast) ▸ noun:  any heavy material used to stabilize a ship or airship ▸ noun:  an electrical device for starting and regulating fluorescent and discharge lamps ▸ noun:  an attribute that tends to give stability in character and morals; something that steadies the mind or feelings ▸ noun:  coarse gravel laid to form a bed for streets and railroads ▸ noun:  a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations) ▸ verb:  make steady with a ballast ▸ Also see ballasts ▸ Word origin ▸ Words similar to ballast ▸ Usage examples for ballast ▸ Popular adjectives describing ballast ▸ Words that often appear near ballast ▸ Rhymes of ballast ▸ Invented words related to ballast