mg   (TTS Sound)

The noun mg has 2 senses

• milligram, mg -- (one thousandth (1/1,000) gram)


• magnesium, Mg, atomic number 12 -- (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))