| 释义 |
manganite|ˈmæŋgənaɪt|
[f. mangan-ese + -ite. Cf. F. manganite.]
1. Min. A hydrated sesquioxide of manganese, occurring massive and in pseudo-crystals; grey manganese ore.
1827Haidinger in Trans. Roy. Soc. Edinb. (1831) XI. 122 Prismatoidal Manganese-ore. Manganite. Ibid. 125 The name of Manganite, proposed for this species, is formed in allusion to the metal which it contains. 1836T. Thomson Outl. Min., Geol., etc. I. 502 Manganite. Hydrous sesquioxide of manganese. 1858Fownes' Man. Chem. (ed. 7) 307 This compound occurs in nature as braunite, and in the state of hydrate as manganite.
2. Chem. A salt of manganous acid.
1865Watts Dict. Chem. III. 818 Salts which may be called manganites. 1877Kingzett Alkali Trade 209 This latter body..forms what Mr. Weldon has termed manganite of magnesium (MgMnO3).
Hence mangaˈnitic a., containing manganite.
1886Pall Mall G. 6 Mar. 5/2 A very considerable formation of manganitic ore. |