magnanimousness
- n the quality of elevation of mind and exaltation of character or ideals or conduct
magnesia
- n a white solid mineral that occurs naturally as periclase; a source of magnesium
magnesite
- n a white mineral consisting of magnesium carbonate; a source of magnesium
magnesium
- n 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)