Definitions
mega- Tweet Definition of mega- Like Definition of mega- on Facebook
prefix or, before a vowel, meg-
  1. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by one million (106.) SI Symbol: M, computing abbreviation: Mi.
  2. (computing) Multiplying the unit to which it is attached by 220 (= 1,048,576). (Note: Because this meaning is in conflict with the meaning used with other units, the alternative mebi- has been proposed.) SI proposed abbreviation: Mi, computing abbreviation: M. US only - not widely used.
  3. (computing - marketing) Multiplying the unit to which it is attached by 210
    • 103 (= 1024,000).
    • (also megalo- or, before a vowel, megal-) Very large.
    • (informal; also written separately as an adjective; see mega) Very large or great.
Translations: 
  • Dutch: mega-
  • French: méga-
  • Italian: mega-
  • Spanish: mega-
Etymology: From megas, big

Derived Terms: (top3)
  • megabar
  • megabase
  • megabit
  • megabucks
  • megabyte - also used for an ice cream product (registered trademark? spelling?)
  • megacephalous
  • Megacheiroptera
  • megacity
  • megacurie
  • megacycle
  • megadeath
  • megadose
  • megadyne
  • megafarad
  • megafauna
  • megaflora
    (mid3)
  • megaflop
  • megafog
  • megagauss
  • megagram, megagramme
  • megaherbivore
  • megahertz
  • megajoule
  • megalith
  • megalitre, megaliter
  • megametre, megameter
  • meganewton
  • megaparsec
  • megapixel
  • megapode
  • megarad
  • megascope
  • megaspore
    (mid3)
  • megasporophyll
  • megastar
  • megastore
  • megastructure
  • megatechnology
  • Megatherium
  • megaton
  • megavertebrate
  • megavitamin
  • megavolt
  • megawatt
  • mega-wide
  • megaword, first used by w:Wheel of Fortune, Wheel of Fortune game show.
  • mega world
  • megohm

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