We found 31 dictionaries that define the word mega-:

General (16 matching dictionaries)

1. mega-: Merriam-Webster
2. mega-: Oxford Learner's Dictionaries
3. mega-: American Heritage Dictionary of the English Language
4. mega-: Collins English Dictionary
5. mega-: Cambridge Advanced Learner's Dictionary
6. mega-: Webster's New World College Dictionary, 4th Ed.
7. mega-: The Wordsmyth English Dictionary-Thesaurus
8. mega-: Infoplease Dictionary
9. mega-: Dictionary.com
10. mega-: Online Etymology Dictionary
11. mega-: Cambridge Essential American English Dictionary
12. Mega-: Wikipedia, the Free Encyclopedia
13. mega-: MyWord.info
14. mega-: TheFreeDictionary.com

Art (1 matching dictionary)

15. mega-: A Cross Reference of Latin and Greek Elements

Computing (4 matching dictionaries)

16. mega-: Free On-line Dictionary of Computing
17. mega-: Netlingo
18. mega-: CCI Computer
19. mega-: Encyclopedia

Medicine (4 matching dictionaries)

20. online medical dictionary (No longer online)
21. GASTROLAB Digestive Dictionary (No longer online)
22. mega-, Mega-: Medical dictionary

Science (4 matching dictionaries)

23. mega-: Extragalactic Astronomy
24. General Chemistry Online (No longer online)
25. Glossary of Roots of Botanical Names (No longer online)
26. Mega-: NRC Glossary of Nuclear Terms --

Tech (2 matching dictionaries)

27. mega-: Webster's New World Telecom Dictionary
28. Rane Professional Audio Reference (No longer online)

Definitions from Wikipedia (Mega-) ▸ noun:  Mega is a unit prefix in metric systems of units denoting a factor of one million (106 or ). ▸ Word origin ▸ Words similar to mega- ▸ Usage examples for mega- ▸ Idioms related to mega- ▸ Wikipedia articles (New!) ▸ Popular adjectives describing mega- ▸ Words that often appear near mega- ▸ Rhymes of mega- ▸ Invented words related to mega-