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• mb
  mb

  millibar; millibars.
• Mb
  Mb

  megabit; megabits.
• MB
  MB

  abbreviation

  Manitoba, Canada (approved for postal use).
• M.B.
  M.B.

  abbreviation

  Bachelor of Medicine.

mb

¹ American  

Physics.

1. millibar; millibars.

2. millibarn; millibarns.

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Mb ² American  

Computers.

1. megabit; megabits.

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MB ³ American  

abbreviation

1. Manitoba, Canada (approved for postal use).

2. Computers. megabyte; megabytes.

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M.B. ⁴ American  

abbreviation

Chiefly British.

1. Bachelor of Medicine.

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MB ¹ British  

abbreviation

1. Bachelor of Medicine

2. maternity benefit

3. (esp in postal addresses) Manitoba

4. (in Canada) Medal of Bravery

5. computing megabyte

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Mb ² British  

abbreviation

1. megabit

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mb ³ British  

symbol

1. millibar

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Mb ¹ Scientific  

1. Abbreviation of megabit

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MB ² Scientific  

1. Abbreviation of megabyte

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mb ³ Scientific  

1. Abbreviation of millibar

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Etymology

Origin of M.B.

From New Latin Medicinae Baccalaureus

Example Sentences

To monitor gene expression level along the T. urartu chromosomes in the three organs, we applied a window shift size of 5 Mb in a customized perl script.

From Nature • May 8, 2018

Events ≤ 10 Mb were considered to be focal.

From Nature • Jul. 18, 2017

This produced 6,043 scaffold sequences, with a scaffold L50 of 4.9 Mb and total scaffold size of 692.7 Mb.

From Nature • Jun. 10, 2014

Figure 1: Population-wide analyses of SMPs. a, A plot of the genome-wide distribution of methylation conservation across chromosome I. Mb, megabases. b–d, The distributions of SMP conservation scores across various genomic features.

From Nature • Mar. 13, 2013

Its spectral type is Mb, a fact worth fixing in our memory, as different reasons favour the belief that it is precisely the M-type that contains the very faintest stars.

From Lectures on Stellar Statistics by Charlier, Carl Vilhelm Ludvig