- variant of megalo- (megalith); also the initial element in units of measure that are equal to one million of the units denoted by the base word (megahertz). Symbol: M
Origin of mega-
Examples from the Web for mega
We have reached a tipping point where mega donors completely dominate the landscape.
And who can blame them for feeling disenfranchised when they see their efforts dwarfed by the mega donors.
This was the young, telegenic, and popular Robby Gallaty of Brainerd Baptist (mega-)Church in Tennessee.The Hateful Pastor All Too Happy to Be Left Behind When It Comes to Gays
September 6, 2014
They got their name (which means “mega tooth”) from their enormous teeth, each of which could be greater than six inches long.Shark Week Is Lying Again: Megalodon Is Definitely Extinct
August 15, 2014
Instead, after Citizens United, the mega donors set up their own shadow parties.Is Big Money Politics an Overblown Evil?
August 2, 2014
As this letter A is formed by a larger aperture than the former one, it may be called A mega.The Temple of Nature; or, the Origin of Society
- slang extremely good, great, or successful
- denoting 10 6megawatt Symbol: M
- (in computer technology) denoting 2 20 (1 048 576)megabyte
- large or greatmegalith
- informal great in importance or amountmegastar
Word Origin and History for mega
before vowels meg-, word-forming element often meaning "large, great," but in precise scientific language "one million" (megaton, megawatt, etc.), from Greek megas "great, large, vast, big, high, tall; mighty, important" (fem. megale), from PIE *meg- "great" (cf. Latin magnus, Old English micel; see mickle). Mega began to be used alone as an adjective by 1982.
High-speed computer stores 2.5 megabits [headline in "Electronics" magazine, Oct. 1, 1957]
- One million (106):megahertz.
- A prefix that means:
- Large, as in megadose, a large dose.
- One million, as in megahertz, one million hertz.
- 220 (that is, 1,048,576), which is the power of 2 closest to a million, as in megabyte.