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In my view, the Christian religion is the most important and one of the first things in which all children, under a free government ought to be instructed... No truth is more evident to my mind than that the Christian religion must be the basis of any government intended to secure the rights and privileges of a free people. Preface to 1828 Dictionary
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MAN'GANESE, n. A metal of a dusky white, or whitish gray color, very hard and difficult to fuse. It never occurs as a natural product in a metallic state. The substance usually so called is an oxyd of manganese, but not pure.
An element obtained by reduction of its oxide, as
a hard, grayish white metal, fusible with difficulty, but easily
oxidized. Its ores occur abundantly in nature as the minerals
pyrolusite, manganite, etc. Symbol Mn. Atomic weight 54.8.
* 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 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. -- Manganese bronze, an alloy made by adding from one to two per cent of manganese to the copper and zinc used in brass. | ||||||||