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)
"Magnesium, the light silver-white metal that burns with a brilliant white flame when ignited, is found in nature exclusively within compounds like magnesite and dolomite."
The chemical element (symbol Mg) with an atomic number of 12. It is a light, easily flammable, silvery-white alkaline earth metal.
"Magnesium burns with a brilliant white flame when ignited as a pure metal sample."
In plain English: Magnesium is an important mineral that your body needs to build strong bones and help muscles work properly.
"Magnesium is an essential mineral found in many leafy green vegetables and nuts that helps support healthy muscles and nerves."
Usage: Magnesium refers specifically to the lightweight, reactive chemical element used in alloys and supplements rather than as a general term for any shiny white substance. People often confuse it with magnesium sulfate (Epsom salts), but the word itself denotes only the pure metallic form or its elemental state in compounds.
The name magnesium comes from the Ancient Greek word for Magnesia, a region in Thessaly. British chemist Humphry Davy coined the term in New Latin based on this location.