Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mg
2 senses of mg
Sense 1
milligram, mg -- (one thousandth (1/1,000) gram)
=> metric weight unit, weight unit -- (a decimal unit of weight based on the gram)
Sense 2
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))
=> metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)