Definify.com
Webster 1913 Edition
Manganesate
Manˊga-ne′sate
,Noun.
(Chem.)
A manganate.
[Obs.]
☞ An alloy of manganese with iron (called ferromanganese) is used to increase the density and hardness of steel.
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.