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Mg

Music.
1.
left hand.
Origin of Mg
From the French word main gauche

Mg

Symbol, Chemistry.
1.

MG

1.
machine gun.
2.
major general.
3.
military government.
4.
myasthenia gravis.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for mg

mg1

symbol
1.
milligram

mg2

abbreviation
1.
Madagascar

Mg

Chemical symbol
1.
magnesium

MG

abbreviation
1.
machine gun
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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mg in Medicine

mg abbr.
milligram

Mg
The symbol for the element magnesium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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mg in Science
mg  
Abbreviation of milligram
Mg  
The symbol for magnesium.
magnesium
  (māg-nē'zē-əm)   
Symbol Mg
A lightweight, moderately hard, silvery-white metallic element of the alkaline-earth group that burns with an intense white flame. It is an essential component of chlorophyll and is used in lightweight alloys, flash photography, and fireworks. Atomic number 12; atomic weight 24.305; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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