Definitions for magnesiummægˈni zi əm, -ʒəm, -ʃi əm

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Random House Webster's College Dictionary

mag•ne•si•ummægˈni zi əm, -ʒəm, -ʃi əm(n.)

  1. a light, ductile, silver-white metallic element that burns with a dazzling light, used in alloys, fireworks, and flashbulbs.

    Category: Chemistry

    Ref: Symbol: Mg 3

Origin of magnesium:

1800–10; < NL; see magnesia , -ium2

Princeton's WordNet

  1. magnesium, Mg, atomic number 12(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)

Wiktionary

  1. magnesium(Noun)

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

  2. Origin: From magnesium, from .

Webster Dictionary

  1. Magnesium(noun)

    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

U.S. National Library of Medicine

  1. Magnesium

    A metallic element that has the atomic symbol Mg, atomic number 12, and atomic weight 24.31. It is important for the activity of many enzymes, especially those involved in OXIDATIVE PHOSPHORYLATION.


Translations for magnesium

Kernerman English Multilingual Dictionary

magnesium(noun)

a silver-white metallic element that burns with a bright, white light.

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