| 释义 |
> as lemmaswhite manganese white manganese n. now rare †(a) = white magnesia n. at white adj. and n. Compounds 1g(c)(ii) (obsolete); (b) any of certain white compounds of manganese, esp. manganese carbonate (MnCO3) and manganese sulphate (MnSO4).With sense (a) cf. magnesia alba n. at magnesia n. Compounds, and the confusion between magnesium and manganese compounds seen in the name black magnesia (magnesia n. 2).< |