†(a) = white magnesia n. at white, adj. n.compounds 1g(c)(ii) (obsolete); (b) any of certain white compounds of manganese, esp. manganese…
单词 | θ68657 |
释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > manganese > [noun] (6) white manganese1731 †(a) = white magnesia n. at white, adj. n.compounds 1g(c)(ii) (obsolete); (b) any of certain white compounds of manganese, esp. manganese… magnesium1781 The element manganese (= manganese, n. 3); (also) a manganese mineral (= manganese, n. 1a). Obsolete. manganese1783 Chemistry. A hard, silvery, brittle chemical element, atomic number 25, which is one of the transition metals and is essential as a trace element for… manganesium1783 = manganese, n. 3. manganium1814 = manganese, n. 3. magnase1849 Manganese. |
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