Magnesium

[mæg'niːzɪəm] or [mæg'nizɪrm]

解釋/意思:

(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).

丹尼整理--From WordNet

解釋/意思:

(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.

校對:西尔玛

解釋/意思:

n. a metal of a bright silver-white colour which while burning gives a dazzling white light and forms magnesia.—n. Magnē′sia a light white powder got by burning magnesium used as a medicine.—adj. Magnē′sian belonging to containing or resembling magnesia.—n. Mag′nesite native magnesium carbonate.

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