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MB

1.
Manitoba, Canada (approved for postal use).
2.
Computers. megabyte; megabytes.

Mb

Computers.
1.
megabit; megabits.

mb

Physics.
1.
millibar; millibars.
2.
millibarn; millibarns.

M.B.

Chiefly British
1.
Bachelor of Medicine.
Origin
< Neo-Latin Medicinae Baccalaureus
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for MB
  • Duck mountain provincial park baldy mountain highest elevation in MB.
British Dictionary definitions for MB

mb

symbol
1.
millibar

Mb

abbreviation
1.
megabit

MB

abbreviation
1.
Bachelor of Medicine
2.
maternity benefit
3.
(esp in postal addresses) Manitoba
4.
(in Canada) Medal of Bravery
5.
(computing) megabyte
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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MB in Medicine

Mb abbr.
myoglobin

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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MB in Science
mb  
Abbreviation of millibar
Mb  
Abbreviation of megabit
MB  
Abbreviation of megabyte
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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MB in Technology

unit
(Or "Mb") megabytes or megabits. When referring to the size or data transfer rate of a storage device which is accessed in multiples of eight bits (e.g. RAM, hard disk) this almost certainly means megabytes, but when referring to the data transfer rate of a communications system it probably means megabits. Some years ago, it is claimed, "MB" always meant megabytes and "Mb" meant megabits but recently this useful distinction has been lost.
(1996-09-22)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Related Abbreviations for MB

mb

millibar

Mb

megabit

MB

  1. Manitoba
  2. Latin Medicinae Baccalaureus (Bachelor of Medicine)
  3. megabyte
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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