氧化钆
Gadolinia \Gad`o*lin"i*a\, n. [NL. See {Gadolinite}.] A rare earth associated with yttria and regarded as the oxide ({Gd2O3}) of a metallic element, Gadolinia \Gad`o*lin"i*a\, n. [NL. See {Gadolinite}.] (Chem.) A rare earth, regarded by some as an oxide of the supposed element gadolinium, by others as only a mixture of the oxides of yttrium, erbium, ytterbium, etc.