'mg' definitions:
Definition of 'mg'
(from WordNet)
noun
One thousandth (1/1,000) gram [syn: milligram, mg]
noun
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) [syn: magnesium, Mg, atomic number 12]