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: M- M. M1 M2 M3 M< Ma Mb Mc Md Me Mf Mg Mh Mi Mk Ml Mm Mn Mo Mp Mr Ms Mt Mu Mv Mw Mx My
manfulness | mangabey | mangan | manganate | manganesate | manganese | manganese bronze | manganese steel | manganese tetroxide | manganesian | manganesic

manganese

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Noun
 : 
man=ga=nese

CIDE DICTIONARY

manganesen. [F. manganèse, It. manganese, sasso magnesio; prob. corrupted from L. magnes, because of its resemblance to the magnet. See Magnet, and cf. Magnesia.].
     An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty (melting point 1244Mn. Atomic number 25; Atomic weight 54.938 [C=12.011].  [1913 Webster]
    " An alloy of manganese with iron (called ferromanganese) is used to increase the density and hardness of steel."  [1913 Webster]
Black oxide of manganese, Manganese dioxide or Manganese peroxide, or Black manganese (Chem.), a heavy black powder MnO2, occurring native as the mineral pyrolusite, and valuable as a strong oxidizer; -- called also familiarly manganese. It colors glass violet, and is used as a decolorizer to remove the green tint of impure glass.

OXFORD DICTIONARY

manganese, n.
1 Chem. a grey brittle metallic transition element used with steel to make alloys.

Usage
Symb.: Mn.
2 (in full manganese oxide) the black mineral oxide of this used in the manufacture of glass.
Derivative
manganic adj. manganous adj.
Etymology
F mangan{egrave}se f. It. manganese, alt. f. MAGNESIA

For further exploring for "manganese" in Webster Dictionary Online


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