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mg

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  1. milligram; milligrams.

Mg

Music.
  1. left hand.

Origin of Mg

From the French word main gauche

Mg

Symbol, Chemistry.
  1. magnesium.

MG

  1. machine gun.
  2. major general.
  3. military government.
  4. myasthenia gravis.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for mg

mg1

symbol for
  1. milligram

mg2

the internet domain name for
  1. Madagascar

Mg

the chemical symbol for
  1. magnesium

MG

abbreviation for
  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

mg in Medicine

mg

abbr.
  1. milligram

Mg

  1. The symbol for the elementmagnesium

mg in Science

mg

  1. Abbreviation of milligram

Mg

  1. The symbol for magnesium.

magnesium

[măg-nēzē-əm]
Mg
  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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