mega-

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See also méga

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[edit] English

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[edit] Etymology

From Ancient Greek μέγας (megas), great, large, mighty)

[edit] Pronunciation

[edit] Prefix

SI prefix
M
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Next: giga-

mega- (or, before a vowel meg-)

  1. (originally) (also megalo- or, before a vowel, megal-) Very large, great.
  2. 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.
  3. (computing) Multiplying the unit to which it is attached by 220 (= 1,048,576, the binary round number closest to a million).
  4. (computing, marketing) Multiplying the unit to which it is attached by 210 × 103 (= 1024,000, the binary round number closest to thousand).

[edit] Usage notes

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  • also written separately as an adjective, meaning very large or great; see mega).
  • Because the meaning "220" is in conflict with the meaning "one million" used with SI units, the alternative mebi- has been proposed, with Mi proposed for use with SI units and M in computing. This sense is US only not widely used.

[edit] Antonyms

[edit] Derived terms

[edit] Translations

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[edit] See also

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