Definitions for MEGA-

This page provides all possible meanings and translations of the word MEGA-


  1. mega-(Prefix)

    Very large, great. Denoting a size larger than usual.

  2. mega-(Prefix)

    In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by one million (10.) SI Symbol: M, computing abbreviation: Mi.

  3. Origin: From μέγας, from meg-. Cognate with Latin magnus, and with Germanic words: Gothic 033C0339033A0339033B0343, Old English micel, Middle English muchel, English much, Old High German mihhil, Old Norse mikill, Danish meget.


  1. Mega-

    Mega is a unit prefix in the metric system denoting a factor of one million. It was confirmed for use in the International System of Units in 1960. Mega comes from the Greek μέγας, meaning great.

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