Definition of magnesium Magnesium

/mægniˈziʌm/ - [matgneezeeum] - mag•ne•si•um

We found 6 definitions of magnesium from 6 different sources.

What does magnesium mean?

Noun Plural: magnesiums
magnesium - 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)
		Mg, atomic number 12
		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.
		carnallite a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium
		bitter spar, dolomite a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
		magnesite a white mineral consisting of magnesium carbonate; a source of magnesium
		olivine a mineral consisting of magnesium iron silicate; a source of magnesium
		magnesia, magnesium oxide, periclase a white solid mineral that occurs naturally as periclase; a source of magnesium

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magnesium (Noun)
A light, flammable, silvery metal, and a chemical element symbol Mg with an atomic number of 12.

magnesium (n.)
A light silver-white metallic element, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required. Its compounds occur abundantly, as in dolomite, talc, meerschaum, etc. Symbol Mg. Atomic weight, 24.4. Specific gravity, 1.75.

magnesium
A chemical element with the symbol Mg and atomic number 12, a light, flammable, silvery metal.

Magnesium is a chemical element that is a type of metal. Its chemical symbol is Mg, and its atomic number is 12. It is the eighth most abundant mineral in the earth's crust. It is found in large deposits of magnesite, dolomite and other minerals. It was discovered in 1775. It is named after a region in Greece, Magnesia.