Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atomic_number_12

1 sense of atomic number 12

Sense 1
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.)