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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 mag·ne·sium /mægˈniziəm, ʒəm/
 鎂

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 mag·ne·sium /mægˈnɪzɪəm, ʒəm/ 名詞
 鎂

From: Webster's Revised Unabridged Dictionary (1913)

 Mag·ne·si·um n.  Chem. A light silver-white metallic element of atomic number 12, 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, 24.305.  Specific gravity, 1.75.
 Magnesium sulphate. Chem. Same as Epsom salts.
 

From: WordNet (r) 2.0

 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) [syn: Mg,
           atomic number 12]

From: Elements database 20001107

 magnesium
 Symbol: Mg
 Atomic number: 12
 Atomic weight: 24.312
 Silvery metallic element belonging to group 2 of the periodic table
 (alkaline-earth metals). It is essential for living organisms, and is used
 in a number of light alloys. Chemically very reactive, it forms a
 protective oxide coating when exposed to air and burns with an intense
 white flame. It also reacts with sulphur, nitrogen and the halogens. First
 isolated by Bussy in 1828.