mega-


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mega-

pref.
1. Large: megadose.
2. Surpassing other examples of its kind; extraordinary: megahit.
3. One million (106): megahertz.
4. 1,048,576 (220): megabyte.

[Greek, from megas, great; see meg- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

mega-

combining form
1. (Units) denoting 106: megawatt. Symbol: M
2. (Computer Science) (in computer technology) denoting 220 (1 048 576): megabyte.
3. large or great: megalith.
4. informal great in importance or amount: megastar.
[from Greek megas huge, powerful]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mega-

a combining form meaning “extremely large, huge,” orig. a variant of megalo- (megalith), used also in the names of units of measure equal to one million of a given base unit (megahertz; megaton), and by extension, now freely used to form words denoting very large quantities (megabucks), large things (megastructure) or, more generally, things that are extraordinary examples of their kind (megahit; megatrend).
Abbr.: M Also, esp. before a vowel, meg-.
[comb. form representing Greek mégas large]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

mega-

1. A prefix that means:
2. Large, as in megatherium, large animal.
3. One million, as in megahertz, one million hertz.
4. 220 (that is, 1,048,576), which is the power of 2 closest to a million, as in megabyte.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

mega-

A prefix meaning one million; e.g., a megaton is a unit of weight equal to one million tons.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
Translations

mega-

prefMega-;
megabucks
pl (inf) he’s making mega-er verdient ein Schweinegeld (inf), → er macht einen Haufen Kohle (inf)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

mega-

(megə)
1. a million, as in megaton. mega-.
2. (also megalo- (megəlou) ) large or great, as in megalomania.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.