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MG

 Dictionary entry overview: What does Mg mean? 

MG (noun)
  The noun MG has 2 senses:

1. one thousandth (1/1,000) gram
2. a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)

  Familiarity information: MG used as a noun is rare.


 Dictionary entry details 


MG (noun)


Sense 1mg [BACK TO TOP]

Meaning:

One thousandth (1/1,000) gram

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

mg; milligram

Hypernyms ("mg" is a kind of...):

metric weight unit; weight unit (a decimal unit of weight based on the gram)

Meronyms (parts of "mg"):

mcg; microgram (one millionth (1/1,000,000) gram)

Holonyms ("mg" is a part of...):

grain; metric grain (a weight unit used for pearls or diamonds: 50 mg or 1/4 carat)


Sense 2Mg [BACK TO TOP]

Meaning:

A light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)

Classified under:

Nouns denoting substances

Synonyms:

atomic number 12; magnesium; Mg

Hypernyms ("Mg" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Holonyms ("Mg" is a substance of...):

carnallite (a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium)

bitter spar; dolomite (a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer)

magnesite (a white mineral consisting of magnesium carbonate; a source of magnesium)

olivine (a mineral consisting of magnesium iron silicate; a source of magnesium)

magnesia; magnesium oxide; periclase (a white solid mineral that occurs naturally as periclase; a source of magnesium)

spinel (a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones)


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