"Polianite" is a word in ENGLISH
Manganese dioxide, occurring in tetragonal crystals
nearly as hard as quartz.
The owner of the Agut d'Avignon had the air of a 1920s dandy who had ruined himself with one mad night of gambling at baccarat and had only been saved by this restaurant, which he seemed to cherish as if it were his wife or a good fountain pen.
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What happens when a hen eats gunpowder ?She lays hand gren-eggs !
A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid.
Read the complete definitionManganese dioxide, a mineral of an iron-black or dark steel-gray color and metallic luster, usually soft. Pyrolusite parts with its …
Read the complete definitionA process for the recovery or regeneration of manganese dioxide in the manufacture of chlorine, by means of milk of …
Read the complete definition