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noun, Chemistry.
a white, water-insoluble powder, Mg 3 (AsO 4) 2 ⋅xH 2 O, used chiefly as an insecticide.


Read Also:

  • Magnesium-carbonate

    noun, Chemistry. 1. a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.

  • Magnesium-hydroxide

    noun, Chemistry. 1. a white, crystalline, slightly water-soluble powder, Mg(OH) 2 , used chiefly in medicine as an antacid and as a laxative. magnesium hydroxide n. A white powder used as an antacid and a laxative.

  • Magnesium-light

    noun 1. the strongly actinic white light produced when magnesium is burned: used in photography, signaling, pyrotechnics, etc.

  • Magnesium-oxide

    noun, Chemistry. 1. . noun 1. a white tasteless substance occurring naturally as periclase: used as an antacid and laxative and in refractory materials, such as crucibles and fire bricks. Formula: MgO Also called magnesia magnesium oxide n. A white powdery compound having a high melting point (2,800°C), used in food packaging, cosmetics, and pharmaceuticals.

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