| English noun: mg | 
| 1. | mg (quantity) one thousandth (1/1,000) gram | 
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 | Synonyms | milligram | 
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 | Broader (hypernym) | metric weight unit, weight unit | 
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 | Part holonym | mcg, microgram | 
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 | Part meronym | grain, metric grain | 
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| 2. | Mg (substance) 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) | 
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 | Synonyms | atomic number 12, magnesium | 
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 | Broader (hypernym) | metal, metallic element | 
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 | Substance meronym | bitter spar, carnallite, dolomite, magnesia, magnesite, magnesium oxide, olivine, periclase, spinel | 
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