Usually means: One million units of measurement.
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We found 56 dictionaries that define the word MEGA:

General (24 matching dictionaries)
  1. mega: Longman Dictionary of Contemporary English
  2. mega, mega-: Merriam-Webster
  3. mega, mega-: Oxford Learner's Dictionaries
  4. mega-: American Heritage Dictionary of the English Language
  5. mega, mega-: Collins English Dictionary
  6. Mega, mega: Wordnik
  7. mega, mega-: Cambridge Advanced Learner's Dictionary
  8. mega: Wiktionary
  9. mega, mega-: Webster's New World College Dictionary, 4th Ed.
  10. mega-: The Wordsmyth English Dictionary-Thesaurus
  11. mega-: Infoplease Dictionary
  12. MEGA, mega-: Dictionary.com
  13. mega-: Online Etymology Dictionary
  14. mega, mega-: Cambridge Essential American English Dictionary
  15. MEGA, Mega-, Mega (Blank Banshee album), Mega (Chilean TV channel), Mega (Chilean television channel), Mega (Spanish TV channel), Mega (Spanish television channel), Mega (TV channel), Mega (Yacht album), Mega (disambiguation), Mega (magazine), Mega (number), Mega (service), Mega (wrestler), Mega: Wikipedia, the Free Encyclopedia
  16. Mega: Online Plain Text English Dictionary
  17. Mega: Rhymezone
  18. Mega: AllWords.com Multi-Lingual Dictionary
  19. mega, mega-: MyWord.info
  20. Mega: Stammtisch Beau Fleuve Acronyms
  21. mega: FreeDictionary.org
  22. mega, mega, mega-: TheFreeDictionary.com

Art (2 matching dictionaries)
  1. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)
  2. mega-: A Cross Reference of Latin and Greek Elements

Business (1 matching dictionary)
  1. BusinessDictionary.com (No longer online)

Computing (7 matching dictionaries)
  1. mega-: Free On-line Dictionary of Computing
  2. mega-: Netlingo
  3. mega-: CCI Computer
  4. Technology Terms and Acronyms (No longer online)
  5. Glossary of Internet Terms (No longer online)
  6. Webopedia (No longer online)
  7. Mega (disambiguation), mega, mega-: Encyclopedia

Medicine (5 matching dictionaries)
  1. Mega- (prefix): MedTerms.com Medical Dictionary
  2. online medical dictionary (No longer online)
  3. GASTROLAB Digestive Dictionary (No longer online)
  4. mega-: Medical dictionary
  5. Mega- (prefix): Drug Medical Dictionary

Miscellaneous (2 matching dictionaries)
  1. Mega: Acronym Finder
  2. AbbreviationZ (No longer online)

Science (7 matching dictionaries)
  1. Mega: Eric Weisstein's World of Mathematics
  2. Mega: Eric Weisstein's World of Physics
  3. mega-: Extragalactic Astronomy
  4. General Chemistry Online (No longer online)
  5. Glossary of Roots of Botanical Names (No longer online)
  6. Mega-: NRC Glossary of Nuclear Terms --
  7. How Many? A Dictionary of Units of Measurement (No longer online)

Slang (4 matching dictionaries)
  1. mega, mega: Green’s Dictionary of Slang
  2. mega: English slang and colloquialisms used in the United Kingdom
  3. mega: ESL Slang page
  4. mega: Urban Dictionary

Tech (4 matching dictionaries)
  1. mega-: Webster's New World Telecom Dictionary
  2. Oil Analysis (No longer online)
  3. Rane Professional Audio Reference (No longer online)
  4. Sweetwater Music (No longer online)

Google, News, Images, Wikipedia, Reddit, BlueSky
Definitions from Wiktionary (MEGA)

▸ adjective:  (informal) Very large.
▸ adjective:  (slang) Great; excellent.
▸ adverb:  (informal) extremely
▸ noun:  (birding, informal) A megararity (extremely rare bird for a certain region).
▸ noun:  (mathematics) The Steinhaus-Moser number ②
▸ noun:  A placename
▸ noun:  A town in Dire, Borena, Ormia, Ethiopia
▸ noun:  A village in Moriad district, Tambrauw, West Papua, Indonesia, on New Guinea
▸ noun:  (countable) A surname.
▸ noun:  (astronautics, space flight) Initialism of Moon-Earth gravity assist.
▸ noun:  (astronautics, space flight) Initialism of Mars-Earth gravity assist.

Similar:
mega-scale, superlarge, gigantic, much, immense, megascale, giant, superginormous, mighty, great big, more...

Opposite:
micro, mini, pico

Types:
tera, peta, exa, zetta, yotta, more...

Phrases:
mega cities, mega city, mega project, mega corporation, mega churches, more...

Adjectives:
new, other, many, such, micro, several, greek, cfu, few, international, global


▸ Word origin

▸ Words similar to MEGA

▸ Usage examples for MEGA

▸ Idioms related to MEGA

▸ Wikipedia articles (New!)

▸ Popular adjectives describing MEGA

▸ Popular nouns described by MEGA

▸ Words that often appear near MEGA

▸ Rhymes of MEGA

▸ Invented words related to MEGA

Similar:
mega-scale, superlarge, gigantic, much, immense, megascale, giant, superginormous, mighty, great big, more...

Opposite:
micro, mini, pico

Types:
tera, peta, exa, zetta, yotta, more...

Phrases:
mega cities, mega city, mega project, mega corporation, mega churches, mega watt, mega bucks, Mega Millions, mega mall, mega pixel, mega pixels, mega drive, mega star, mega media, mega stores, mega resort, more...

Adjectives:
new, other, many, such, micro, several, greek, cfu, few, international, global



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