magnesium
1. [ noun ] (chemistry) 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)
Synonyms: atomic_number_12 Mg
Related terms: metallic_element magnesite dolomite olivine periclase spinel carnallite
Similar spelling:   Magness
  magnesia
  magnesite
  Magnus