MAGNESIUM

magnesium, Mg, atomic number

(noun) 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)

Source: WordNet® 3.1

Etymology

Noun

magnesium (uncountable)

The chemical element (symbol Mg) with an atomic number of 12. It is a light, easily flammable, silvery-white alkaline earth metal.

Anagrams

• mesangium

Source: Wiktionary

Mag*ne"si*um, n. Etym: [NL. & F. See Magnesia.] (Chem.)

Definition: 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 sulphate. (Chem.) Same as Epsom salts.

Source: Webster’s Unabridged Dictionary 1913 Edition