See Also: pyrolusite(dictionary)
pyrolusite(medicine)
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medicine(dictionary)
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medicine man(encyclopedia)
medicine(encyclopedia)

pyrolusite (medicine)


pyrolusite
<chemical> Manganese dioxide, a mineral of an iron-black or dark steel-gray colour and metallic luster, usually soft. Pyrolusite parts with its oxygen at a red heat, and is extensively used in discharging the brown and green tints of glass (whence its name).

Origin: Pyro- + Gr. To loose, or a loosing.

Source: Websters Dictionary