Manganese



noun
1.
(FRENCH) (A hard brittle gray metal or its black oxide) ម៉ង់ហ្គាណែហ្ស
ENGLISH MEANING
noun
1.
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.