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meg1

Electricity.
1.
megohm; megohms.

meg2

[meg] /mɛg/ Informal.
noun
1.
a megabyte.

Meg

[meg] /mɛg/
noun
1.
a female given name, form of Margaret.

mega-

1.
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.
Also, especially before a vowel, meg-.
Origin of mega-
combining form representing Greek mégas large, great
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for meg
Contemporary Examples
Historical Examples
  • I went to meg Van Dam, who had long urged me to pay her a visit.

    The Bacillus of Beauty Harriet Stark
  • Perhaps I shouldn't have let her talk so about meg, but, after all, she told me nothing new.

    The Bacillus of Beauty Harriet Stark
  • I dashed into my room but meg's staccato reached me even there.

    The Bacillus of Beauty Harriet Stark
  • meg paced the floor a minute, then slapped herself into a chair.

    The Bacillus of Beauty Harriet Stark
  • Hitherto meg's experience had been that it was a thing to be slurred over, like a deformity.

    Jan and Her Job L. Allen Harker
British Dictionary definitions for meg

meg

/mɛɡ/
noun
1.
(informal) short for megabyte

mega-

combining form
1.
denoting 106: megawatt, M
2.
(in computer technology) denoting 220 (1 048 576): megabyte
3.
large or great: megalith
4.
(informal) great in importance or amount: megastar
Word Origin
from Greek megas huge, powerful
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for meg

Meg

fem. proper name; before the late 20c. rise in popularity of Megan it typically was a pet form of Margaret, and was "used dial. to indicate a hoyden, coarse woman, etc." [OED]

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]

Online Etymology Dictionary, © 2010 Douglas Harper
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meg in Medicine

mega- pref.

  1. Large: megacephaly.

  2. One million (106): megahertz.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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meg in Science
mega-  
  1. A prefix that means:

  2. Large, as in megadose, a large dose.

  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® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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